A neuron has three basic parts: the dendrites, the cell body, and the axons. Some neurons have a fatty layer covering called The myelin sheath around their axons. This layer isn’t continuous, and the gaps are called nodes of Ranvier . The action potential jumps through these gaps to speed up the transmission.
Explanation:
First of all, this answer isn't worth 30 points you liar and second, this was 15 points you i diot!!
Answer:
A neuron has three basic parts: the dendrites, the cell body, and the axons. Some neurons have a fatty layer covering called the myelin sheath around their axons. This layer isn’t continuous, and the gaps are called nodes of Ranvier . The action potential jumps through these gaps to speed up the transmission.
Which of earths layers is formed by volcanic activity
the rate at which producers convert radiant energy into chemical energy
Photosynthesis. Figure 2.3: Photosynthesis: In the process of photosynthesis, plants convert radiant energy from the sun into chemical energy in the form of glucose - or sugar. Water (6H2O) + carbon dioxide (6 CO2) + sunlight (radiant energy) = glucose (C6H12O6) + Oxygen (6O2).
The rate that radiant energy is converted into chemical energy by producers is referred to as gross primary productivity. This is primarily done through photosynthesis by plants and other photoautotrophs. The remaining energy after accounting for heat and respiration losses is called net primary productivity.
Explanation:
The rate at which producers convert radiant energy into chemical energy is usually defined as gross primary productivity. This is primarily achieved via a process called photosynthesis key to life on earth. Primary producers like plants, algae, and photosynthetic bacteria absorb solar energy transforming it into chemical energy in the form of glucose and other carbohydrates.
Photoautotrophs harness this solar energy stored as ATP to synthesize complex organic molecules. However the net energy incorporated by these producers is termed as net primary productivity which is the energy that remains after accounting for the thermal losses due to organisms' respiration and heat loss. This is the energy that is available to be consumed at the next trophic levels.
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jonathan is hybrid for blue eyes. His wife Carly, has blue eyes. If they have four children, how many will have blue eyes?
Jonathan is heterozygous for blue eyes (Bb) and Carly is homozygous recessive for blue eyes (bb). A Punnett square shows each child has a 50% chance of blue eyes (bb). On average, out of four children, two would likely have blue eyes.
Explanation:Jonathan being 'hybrid' for blue eyes suggests that he is heterozygous for the eye color trait, meaning he has one gene for blue eyes and one for a different color, likely brown since it is the dominant trait. Carly having blue eyes indicates that she is homozygous recessive for this trait, having two genes for blue eyes as it is the recessive trait. When predicting the outcome of their offspring's eye color, we can use a Punnett square to determine the possible genetic combinations.
Let's represent the blue-eyed allele as 'b' and the allele for the dominant eye color (brown in most cases) as 'B'. Since Jonathan is heterozygous, his genotype is Bb, and Carly, being homozygous recessive, has a genotype of bb. The possible combinations when they have children are as follows:
Bb (Brown/blue - Heterozygous)bb (Blue/blue - Homozygous recessive)Based on the Punnett square for this cross, each child has a 50% chance of being heterozygous like Jonathan (Bb) and a 50% chance of being homozygous recessive like Carly (bb). Therefore, on average, out of four children, two would be expected to have blue eyes and two would have the dominant eye color, but will carry the blue eye gene (if blue is considered recessive in this case).
Which prokaryotic organism shows up as the earliest fossils?
Hello Cafeparisgal
The prokaryotic organism that shows up as the earliest fossils is archaea echinoderms.
:)
The prokaryotic organism which are taken the earliest fossils are cyanobacteria.
What are cyanobacteria?Cyanobacteria are aquatic and photosynthetic, as they resides in water and perform photosynthesis.
They are small and usually unicellular, though they frequently grow in visible colonies.
These are the known earliest fossils under prokaryotic organisms.
Thus, the answer is cyanobacteria.
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Think of a concept that might be easier to understand or explain by making a model
one example could be atoms
A model of the DNA Double Helix in Biology makes it easier to understand its complex structure as it allows students to visually see and physically interact with the representation of the concept.
Explanation:An ideal example in the realm of Biology would be the concept of the DNA Double Helix. This concept could be challenging to grasp in two-dimensions, but once you create a three-dimensional model, its structure becomes more apparent.
The DNA Double Helix model demonstrates the spiraling strands that represent the sugar-phosphate backbone, and the pairs of different colors show how adenine (A) always pairs with thymine (T) and cytosine (C) with guanine (G). Seeing this visually aids in understanding how these elements come together to create the unique genetic code in an organism.
Using a model to represent complex scientific concepts, particularly in Biology, can greatly enhance understanding and retention of the material. It allows the student to visually see and physically interact with the representation of the concept, which is highly beneficial for tactile and visual learners.
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the molecular sequence, or blueprint for a protein, is originally carried by which molecule
the answer should be DNA :)
RNA or mRNA
Explanation:DNA is first transcribed into mRNA and then this mRNA moves from nucleus to the cytoplasm containing all the information or blue prints for protein formation where with the help of tRNA and ribosomes it is translated into protein.
Which is characteristic of a mineral?
A.
It must be naturally occurring and organic.
B.
It must be naturally occurring and inorganic.
C.
It must be man-made and organic.
D.
It must be man-made and inorganic.
it is going to be c hope this helps or b
Plz help oh and one of the questions is what percent of energy does an individual get from the individual it eats
1. An example of secondary consumer is snake. Secondary consumers are the ones who eat the primary consumers, which makes them carnivore.
2. Photosynthesis is a process used by plants and (some other organisms) that converts water (H2O) and carbon dioxide (CO2) with the presence of sun energy (collected in the chloroplasts) into chemical energy that is later stored in sugars (carbohydrates). Organisms that do the photosynthesis are called autotrophs (produce food by themselves).
3. The energy pyramid represents energy flow in a community, where the different levels represent different groups of organisms.
The food chain is a circulation of energy that comes from the sun and passes from the producer organisms to the primary consumer, secondary and tertiary consumer organisms.
4. For example, plant is producer that is eaten by primary consumer-herbivore (e.g. bugs). Than secondary consumer-carnivore (e.g. snake) eat that herbivore and than is being eaten by tertiary consumer (apex predator that have no natural predator).
5. One trophic level gets only 10% of the energy of the previous level. So, if the plant have 10.000 units of energy and is eaten by rabbit, rabbit gets 1000 units of energy, and when the fox eats an rabbit, it gets 100 units of energy.
6. Trophic level is the position of an organism in the food chain.
Why were slaves important to the colonial economy? Hint: discuss economic interdependence found in the lesson Answer:
There are many reasons to why slaves were essential in the colonial economy:
Slaves were generally used more in the south, because large plantations were found there, which meant that the need for large amounts of workers.
Slaves provided cheap labors, and as they were not "citizens" of the US, they were not allowed their rights.
Slaves were also relatively easy to buy and replace, however, their survival rates were not that good after they traveled long distance.
etc.
hope this helps
Answer:
WHere they lived it was very big and trade was important
Explanation:
In sexually reproducing species, genetic variations are not passed on to offspring via
Sexual reproduction in species leads to genetic diversity in the offspring, a trait not passed on through asexual reproduction. Mutations, sexual reproduction, and chromosomal crossover during meiosis are mechanisms that contribute to genetic variation, which is not seen in asexually reproducing organisms.
Explanation:In sexually reproducing species, genetic variations are not passed on to offspring via asexual reproduction. Sexual reproduction involves the combination of genetic material from two parents, leading to offspring that are genetically diverse. This genetic diversity is believed to offer species an advantage in survival under changing or unpredictable environmental conditions.
Genetic variations in a population can arise from different mechanisms, one of which is mutation, a random process resulting in changes to the DNA sequence within a cell's genome. Another major source of genetic variation is sexual reproduction. During sexual reproduction, the combination of genetic information from two parents can result in new combinations of traits in the offspring, generating genetic diversity. This does not happen in asexual reproduction, where offspring are genetically identical, or clones, of their parent.
Other events like chromosomal crossover during meiosis also contribute to genetic diversity. But these are unique to sexually reproducing organisms and do not occur in asexual reproduction. Therefore, while genetic diversity is a hallmark of sexual reproduction, it is not achieved via asexual reproduction.
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You have just received your flu vaccine in your deltoid muscle. Explain all of the layers and structures the needle passed through, from impact to muscle.
The layers and structures the needle passed through are- epidermis, dermis, subcutaneous layer or hypodermis, connective tissue layer and muscle.
The epidermis is the outermost layer of the three layers that make up the skin, the inner layers being the dermis and hypodermis. The connective tissues connects, binds and separates other tissues or organs. Muscles are soft tissues found in the body. They function to produce force and motion.
Sodium Hydroxide + Copper Sulfate
1.Observations Before Interaction
2.Observations After Interaction
3.Was Mass Conserved?
4.Proof of a Chemical Reaction
Reaction for observation: Sodium Hydroxide + Copper Sulfate
Full reaction:
2NaOH + CuSO4 --> Cu(OH)2 + Na2SO4
Part 1.Observations Before Interaction:
Sodium hydroxide is a turbid solution and copper sulfate is in form of bright blue crystals.
Part 2:Observations After Interaction:
When their solutions are mixed with each other, a pale blue precipitate of basic copper hydroxide & a solution of neutral salt sodium sulphate will be formed.
Part 3:Was Mass Conserved?
Yes, mass was conserved.
The Law of Conservation of Mass states that "mass cannot be created or destroyed, but changed into different forms".
Hence mass was conserved.
Part 4..Proof of a Chemical ReactionThe proof of the reaction is the appearance of pale blue precipitates of of basic copper hydroxide & a solution of neutral salt sodium sulphate.
Final answer:
When sodium hydroxide is mixed with copper sulfate, a light blue precipitate of copper hydroxide is formed, and sodium sulfate remains in solution, demonstrating signs of a chemical reaction while conserving mass.
Explanation:
When sodium hydroxide reacts with copper sulfate, there are a couple of observations and principles one should expect:
Observations Before Interaction: Sodium hydroxide is a colorless solution and copper sulfate solution is typically blue.
Observations After Interaction: After mixing, the solution may form a precipitate of copper hydroxide, which is light blue, and sodium sulfate remains in solution.
Was Mass Conserved? Yes, according to the law of conservation of mass, mass is conserved in a chemical reaction. The mass of the reactants equals the mass of the products.
Proof of a Chemical Reaction: Evidence of a chemical reaction includes color change, formation of a precipitate, temperature change, or emission of gas.
The chemical equation for the reaction is: 2 NaOH(aq) + CuSO4(aq) → Cu(OH)2(s) + Na2SO4(aq). This provides a balanced representation of the reactants transforming into products.
" All of the substances are ____________, which cause inheritable changes in genetic material."
mutagens.
Hope this helps!
-Payshence
Answer:
Mutagens are substances which cause inheritable changes in a genetic material
Explanation:
Mutagens are chemical compounds or radiations that can cause changes in a genetic material. These changes are referred to as mutations which occurs in the cellular genetic material, deoxyribonucleic acid, of a biological molecule.
When a single cell of E. coli reproduces, it first duplicates its DNA. Next, the cell elongates as each copy of DNA is pulled toward opposite ends of the cell. The membrane then pinches inward, dividing the cytoplasm into two halves and producing two daughter cells. What is true about these daughter cells?
A.
They are genetically different from the parent because they are produced by sexual reproduction.
B.
They are genetically identical to the parent because they are produced by sexual reproduction.
C.
They are genetically identical to the parent because they are produced by asexual reproduction.
D.
They are genetically different from the parent because they are produced by asexual reproduction.
Reset Next
Answer:
The correct answer would be option C.
E. coli reproduces asexually by the process of binary fission. In this process, single parent cell divides to give rise to two identical daughter cells.
As it is asexual reproduction the daughter cells contain genetic material identical to that of parent cell.
In addition, only single parent cell contributes the entire genetic material of the daughter cells.
Gregor Mendel used pea plants that were heterozygous for each of two traits—seed color and seed shape—to generate a dihybrid cross. The phenotypic ratio of the resulting offspring was nine with round and yellow seeds, three with round and green seeds, three with wrinkled and yellow seeds, and one with wrinkled and green seeds. From these results, what could Mendel conclude?
Traits are inherited as pairs, sets, or groups.
Traits that are dominant mask traits that are recessive.
Gametes carry one allele for each trait.
Traits are passed independently of one another.
Traits that are dominant mask traits that are recessive.
From these results, Mendel concluded that traits that are dominant mask traits that are recessive. The correct option is B.
What are traits?As it relates to genetics, a trait is a unique quality about a person. Genes, environmental influences, or a combination of both can influence traits.
The relationship between two genetic variants is referred to as dominant. Each gene has two alleles that an individual inherits from each parent.
One allele of a gene, known as the dominant gene, will be expressed if the alleles are different. The impact of the other allele, known as the recessive one, is concealed.
Nine of the ensuing offspring had seeds that were round and yellow, three had seeds that were round and green, three had seeds that were wrinkled and yellow, and one had seeds that were wrinkled and green.
Mendel deduced from these findings that dominant features conceal recessive traits.
Thus, the correct option is B.
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BRAINLIEST!!! 100PTS PLEASE HELP!! Create 3 questions about the cause-and-effect relationship between the genetic code and gene expression, mechanisms of gene regulation, and/or the role of DNA segments that do not code for proteins.
Key points:
Bacterial genes are often found in operons. Genes in an operon are transcribed as a group and have a single promoter.
Each operon contains regulatory DNA sequences, which act as binding sites for regulatory proteins that promote or inhibit transcription.
Regulatory proteins often bind to small molecules, which can make the protein active or inactive by changing its ability to bind DNA.
Some operons are inducible, meaning that they can be turned on by the presence of a particular small molecule. Others are repressible, meaning that they are on by default but can be turned off by a small molecule.
Introduction
We tend to think of bacteria as simple. But even the simplest bacterium has a complex task when it comes to gene regulation! The bacteria in your gut or between your teeth have genomes that contain thousands of different genes. Most of these genes encode proteins, each with its own role in a process such as fuel metabolism, maintenance of cell structure, and defense against viruses.
Some of these proteins are needed routinely, while others are needed only under certain circumstances. Thus, cells don't express all the genes in their genome all the time. You can think of the genome as being like a cookbook with many different recipes in it. The cell will only use the recipes (express the genes) that fit its current needs.
How is gene expression regulated?
There are various forms of gene regulation, that is, mechanisms for controlling which genes get expressed and at what levels. However, a lot of gene regulation occurs at the level of transcription.
Bacteria have specific regulatory molecules that control whether a particular gene will be transcribed into mRNA. Often, these molecules act by binding to DNA near the gene and helping or blocking the transcription enzyme, RNA polymerase. Let's take a closer look at how genes are regulated in bacteria.
In bacteria, genes are often found in operons
In bacteria, related genes are often found in a cluster on the chromosome, where they are transcribed from one promoter (RNA polymerase binding site) as a single unit. Such a cluster of genes under control of a single promoter is known as an operon. Operons are common in bacteria, but they are rare in eukaryotes such as humans.
Answer:
1) How is DNA compacted to form a chromosome?
2) How do cells undergo differentiation to form the numerous types of cells in the body?
3) What are some functions for non-coding DNA [e.g. Centromere, telomere, promoter, terminator, silencer, enhancer, introns (alternative splicing)]
Explanation:
1) Involves packing of DNA that involves DNA associating with H1, H2a, H2b, H3, H4 histone, scaffolding proteins, and link genes)
2) Since all somatic cells are genetically identical, differentiation involves silencing certain genes through different chemical signals that the stem cell's environment is in, resulting in certain genes related to its function being expressed while other genes are silenced.
3) Non-coding sequences although the bulk of DNA has numerous important roles. ( Centromere allow for association of kinetochore proteins to form kinetochore that acts as a site of attachment for microfibrils during mitosis or meiosis) (telomere acts as sacrificial DNA that prevents erosion of Coding DNA during every round of semi-conservative DNA replication)...
Explanation:
IM A DIFFERENT BREEED!
Which is a C4 plant?
a. pineapple
b.cactus
c.pea
d.corn
I believe it'll be corn since it's a plant which created c4 sugar when performing photosynthesis.
The correct answer is D. Corn
Explanation:
In plants, C4 or C4 Carbon Fixation refers to a complex photosynthesis process that occurs in some plants, this process involves multiple steps that allow plats to fix and process carbon, without photorespiration as it occurs in most photosynthesis processes. C4 plants contain special cells and structures that allow them to do the Carbon Fixation processes. Additionally, this occurs mainly in plants that grow in tropical or elevated temperatures. Examples of C4 plants include sugarcane and corn as they follow the C4 Carbon Fixation in photosynthesis. According to this, it is Corn the one that is a C plant.
Blood, bone, and cartilage are examples of
A. Three different tissue types found in the body
B. Connective tissue
C. Epithal tissue
D. Organs of the body
Blood, bone, and cartilage are all connective tissue so your answer will be B
Blood, bone, and cartilage are all examples of connective tissue. They form part of the body's structure, with each having its unique characteristics and functions.
Explanation:
Blood, bone, and cartilage are examples of B. Connective tissue. Connective tissues are composed of cells that form the body's structure. Three of the most common types are blood, bone, and cartilage. Blood is considered a connective tissue because it is made up of a liquid plasma matrix and cells. Bone is a hard tissue that provides a structure for the body, while cartilage is a flexible tissue found in many areas of the body including the joints, ear, and nose.
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Which of the following characteristics of water is NOT a result of hydrogen bonding?
Adhesive strength
Cohesive strength
Capillary action
Covalent bonds
I would say its A or Adhesive Strength.
What does environmental quality refer to?
Final answer:
Environmental quality refers to the condition of the environment and its ability to support life, affected by factors like air and water cleanliness, and regulated by environmental laws. Low-income countries may prioritize basic needs over environmental quality, a stance that can lead to harmful reductions in regulations. Market-oriented tools and balanced EPA regulations are employed to optimize environmental protection while managing costs.
Explanation:
Environmental quality refers to the condition of the environment and its capacity to support the health and well-being of living organisms, including humans. Such quality is commonly measured by the cleanliness of the air and water, the availability of safe drinking water, presence of non-contaminated soil, and the health of ecosystems. Environmental regulations are put in place to help maintain and improve the environmental quality by controlling the amount of pollutants that factories and other sources emit.
While environmental quality is crucial for the well-being of communities, there exist disparities in how it is valued across economies. For instance, low-income countries may prioritize immediate necessities like food, clothing, and shelter, often viewing environmental quality as a luxury. However, this viewpoint can lead to a reduction in regulations, which can cause significant environmental damage and, in the long run, affect the health and life quality of the population.
The use of market-oriented environmental tools can be employed to minimize the costs associated with reducing pollution, avoiding overly stringent environmental rules that may not balance the marginal costs and benefits associated with pollution control, as discussed by entities such as the Environmental Protection Agency (EPA).
Dr. Phil believed that he could grow bigger fish in his pond if he played music to them. Dr. Phil set up some speakers and played rock music 24 hours a day for six months. Dr. Phil's observations and data are compiled in the data table. Based on his data, what can Dr. Phil conclude about the relationship between music and the mass of the fish in his pond?
Answer:
C, There was no relationship between music and mass.
Explanation:
There was some change in fish mass, but there is no evidence that it was related to the music.
The conclusion about the relationship between music and the mass of the fish in Dr. Phil's pond can only be drawn after analyzing the collected data. If fish mass increased, it would imply a positive relationship. If it stayed the same or decreased, it would suggest no or a negative relationship.
Explanation:Based on the question, Dr. Phil believed that playing music to fish might result in bigger fish. To test this belief, he plays rock music for six months straight, all the while collecting data. Despite this information, we cannot draw definitive conclusions from the description alone, it is necessary to analyze the observations and data he gathered. An increase in the mass of fish in the pond after the music has been played would imply a positive relationship between music and fish mass. On the other hand, if the fish's mass remained consistent or decreased, it could be concluded that there is no or a negative relationship between music and the mass of the fish. Please note that this conclusion might not be definitive, other factors might influence fish growth, such as food supply and water quality.
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if a human system fails to work properly,what is the most likely result
If a human system fails to work properly, death would definitely be the result. That is why it is important to see your doctor whenever you feel anything in your body
Jason is studying a multicellular organism that can move around its environment. This organism must consume other organisms in order to recieve energy. Which kingdom does the organism that jason is studying most likely belong to?
Answer: Kingdom Animalia
Explanation
Multicellular organisms that feed or consume other organisms for energy are called heterotrophs and are usually found in the animal kingdom
Answer:
Kingdom Animalia
Explanation:
Organisms classified within Kingdom Animalia must be multicellular and heterotrophic (meaning that they must consume other organisms in order to receive energy). Most organisms within Kingdom Animalia are also able to move around their environment. Therefore, the organism that Jason is studying most likely belongs to Kingdom Animalia.
if a carbohydrate has ,10 carbon, what other elements would be present?
A- 10 oxygen, 20 hydrogen
B- 10 hydrogen,10 nitrogen
C- 10 hydrogen, 20 nitrogen
D- 10 oxygen, 20 nitrogen
The other elements are A. 10 oxygen and 20 hydrogen.
Explanation:Carbohydrates are generally hydrates of carbon. A molecule of carbohydrate is usually made of elements like carbon, hydrogen and oxygen. Hydrogen and oxygen are in a 2:1 ratio like they present in water.
The empirical formula of carbohydrate is [tex]C_m(H_2O)_n[/tex], where m and n can be different. They can also be called as saccharides and often as sugar. They can either be a small molecule like glucose or large molecules like starch.
Which component is affected when a catalyst is added to a chemical reaction
A catalyst is a substance that speeds up the rate of a chemical reaction but is not consumed during the course of the reaction.
Catalysts increase the rate of reaction without being used up. They do this by lowering the activation energy needed. With a catalyst, more collisions result in a reaction, so the rate of reaction increases. Different reactions need different catalysts.
Many important chemical reactions require inputs of energy to proceed. If a catalyst is present less energy will be required to complete the reaction. Catalysts are substances that are mixed in with materials that are to be reacted, but they themselves do not, in the end, change chemically.
SO, a catalyst will increase the rate of reaction of any component.
A catalyst affects the reaction rate by lowering the activation energy needed for the reaction to proceed, allowing the reaction to reach equilibrium more quickly without altering the enthalpy change or the equilibrium position.
When a catalyst is added to a chemical reaction, it affects the rate at which the reaction proceeds. It does so by providing a new reaction pathway with a lower activation energy. A lower activation energy means the reactants can be converted into products more efficiently, speeding up the reaction without the catalyst being consumed. Notably, a catalyst does not alter the overall enthalpy change of the reaction, which is determined solely by the chemical compositions of the reactants and products, according to the principle of enthalpy.
Moreover, the presence of a catalyst does not affect the equilibrium position of the reaction; it merely allows the reaction to reach equilibrium more rapidly. In summary, the component affected when a catalyst is added is the reaction rate, not the reaction enthalpy or equilibrium position.
Which of the following pairs of vertebrate classes are most like each other?
A) birds and fish
B) reptiles and mammals
C)amphibians and reptiles
D) fish and mammals
I assume it is C) Amphibians and Reptiles, because the other choices are not very similar to each other. Also, both of these classes comprises cold-blooded vertebrate animals.
A woman who has sickle cell anemia passes this disease on to her offspring. This means that the mutation for sickle cell anemia MUST occur in the woman’s
Answer:
The answer is A, gametes.
Explanation:
The mutation for sickle cell anemia must occur in a woman's germ cells, specifically her eggs (ova), to be passed on to her offspring. It is an autosomal recessive condition, meaning a child must inherit two copies of the mutated gene, one from each parent, to have the disease.
The question concerns the inheritance of sickle cell anemia, which is a genetic disorder. Since a woman with sickle cell anemia can pass this disease to her offspring, it indicates that the mutation for sickle cell anemia must occur in her germ cells, specifically her eggs (ova). Sickle cell anemia is caused by a mutation at a specific point in the hemoglobin gene. This gene is located on chromosome 11, which is one of the autosomal chromosomes, meaning it is not a sex chromosome.
In genetics, when we say that a trait or disorder, such as sickle cell anemia, is inherited, it typically means that it is passed down through the gametes, which are the sperm cells in men and the egg cells in women. For a person with sickle cell anemia (which is an autosomal recessive condition), they must have two copies of the mutated gene, one inherited from each parent. If a mother has the disease, she has two copies of the mutation and every egg cell she produces will carry one copy of the mutated gene. When that egg is fertilized by a sperm, the resulting offspring will inherit one copy of the mutated gene from the mother. If the father also provides a gene with the mutation (or a healthy gene in the case of sickle cell trait), the child could develop sickle cell anemia (with two mutations) or be a carrier with sickle cell trait (with one mutation).
two students were testing the amount of fertilizer that would best promote the growth of strawberries in a garden. which of the following could be a unavoidable source of experimental error ?
A. Length of study
B. Variation in the strawberry plants
C. The cost of watering plants
D. Fertilization during the study
The correct option is B. Which is variation in the strawberry plants.
Explanation:Unavoidable source of experimental error is the error which is not personal and which can not be minimized.It is present naturally.Now one can change the Length of study, the cost of watering plants and fertilization during the study.The only factor cannot be changed is the variation in strawberry plants.
major biotic factor that affectd the health of coral reefs
Overfishing and destructive fishing methods, climate change, global warming, tourism, pollution.
Pharmacogenomics, a relatively new field of science, focuses on using variations in individual genetics to use targeted drugs for treating patients. ______________ are genetic indicators used to identify the most appropriate treatment.
i think the answer is pain medication
The answer is A)Biomarkers