Earth's Oceans are impacted by climate changes, pollution, and overfishing. Which is not a result of human activity?
A) destruction of food webs
B) destruction of coral reefs
C) degradation of tidal areas
D) increase population of all species
Increase population of all species is not a result of human activity.
Impact of human activtiesWe know that human activities decreases the population of many species because human activities causes destruction of habitat and pollution in the environment.
So we can conclude that increase population of all species is not a result of human activity.
Learn more about species here: https://brainly.com/question/26125007
What substances must animal cells take in from the environment to maintain homeostasis?
What is described in the following equation? 2H2(g) + O2(g) → 2H2O(l) A. helium gas combining with oxygen gas to form water B. hydrogen gas combining with oxygen gas to form water C. hydrogen gas combining with water gas to form hydroxide D. water decomposing to oxygen gas and hydrogen gas
Answer:
The answer is B!
Explanation:
Which is one of the most important differences between prokaryotes and eukaryotes?The cytoplasm in eukaryotes does not contain any organelles but that of prokaryotes does.Eukaryotes are much smaller than prokaryotes.Prokaryotes do not have a well–defined nucleus, but eukaryotes do.
What is the main difference between the central nervous system (CNS) and the peripheral nervous system (PNS)?
Answer:
CNS includes the brain and spinal cord which analyze sensory inputs, whereas PNS consists of neurons and nervous tissues that carry the information.
Explanation:
The nervous system has two distinct main parts - the peripheral nervous system (PNS) and the central nervous system (CNS).
CNS contains the spinal cord and the brain serves the nervous system's command center. the spinal cord and the brain analyze sensory inputs what it exactly means and quickly orders the body parts that time to move faster.
PNS consists of the nerves, which leave the brain and the spinal cord and travel to evident regions of the body. The main job of PNS is to send information collected by the sensory receptors to the CNS.
Moles are rodents very similar to mice. They typically live underground, spending most of their lives below the earth's surface. Mice, on the other hand, may dig burrows to nest and sleep in, but they spend much of their time above ground. Their nests can be made of cloth, hair, and hay. Because moles live underground, they have developed differently than mice
Final answer:
Rats belong to the group known as rodents, distinguished by their distinctive pair of continuously growing incisors used for gnawing.
Explanation:
To what group do rats belong? Rats, along with mice, beavers, and squirrels, are part of a group known as rodents. Rodents are characterized by their gnawing behavior, which is facilitated by their unique dental structure. They have a single pair of continuously growing incisors in both the upper and lower jaws that must be kept short through gnawing. This differentiates them from other mammalian groups, such as lagomorphs (including rabbits and hares), carnivores (such as cats, dogs, and bears), and insectivores (such as moles and shrews).
The biological classification of rats is important as it helps in understanding their behavior, evolutionary history, and their role in ecosystems. Additionally, recognizing the differences between various animal groups, such as rodents and insectivores, is essential for scientific studies related to embryology, conservation, and pest control.
How is a nucleosome related to a chromosome?
Answer:
The nucleosomes are structal building blocks of the packing of dna within a chromosome.
Name at least two ways that fungi can be beneficial for us.
If abo blood typing is not accepted in court why is it still a useful tool
if a climate changed a ecosystem, there would be a change in the kinds of and. that could live in that ecosystem
what is the substance albino plants lack
describe the productions of protein through transcription and translation
The Galápagos islands are considered to be “young” islands. Explain what this means.
Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. The data from his experiment are shown in the table below.
Amount of light
(hours)
Number of plants
Average volume of oxygen produced (mL)
1
4
0.50
6
4
2.0
10
4
5.0
What could he have done to increase the validity of his data?
Answer
To increase the validity of the data introduce a 0 hour control
Explanation
There are three ways that can be done to improve the validity of data in an experiment. They are; changing only one independent variable at a time, measuring dependent variable accurate and focusing on control. The control in this case will be the zero hour control which is a key for producing sound data.
Answer:
Add a 0 hours control
Explanation: This is correct on edgen
learning through trial and error is often referred to as _____ learning.
Give TWO advantages that cells gain by storing energy in the form of ATP.
Final answer:
Cells store energy in ATP to safely manage energy without increasing cell temperatures and to provide consistent amounts of energy for cellular processes, ensuring efficient cellular growth and function.
Explanation:
Cells gain two main advantages by storing energy in the form of adenosine triphosphate (ATP). First, ATP allows cells to store energy safely and efficiently, preventing the detrimental increase in temperatures that would occur if energy were stored as free energy. This is crucial because excess heat can denature enzymes and destroy the cell's structural integrity. Second, ATP serves as a uniform energy currency for the cell, releasing consistent amounts of energy upon hydrolysis of its high-energy phosphate bonds. This consistency is vital for the myriad of biochemical processes required for normal cellular growth and function, as it ensures that energy is distributed as needed without destabilizing the cell's environment.
Briefly explain the steps in the process of removing the human gene and inserting it into plasmid DNA
Answer:
Plasmids are extracted from the bacteria
The plasmids are spliced at specific regions using restriction enzymes.
The cut plasmids are incubated with the novel gene and DNA ligase
Plasmids that will have incorporated the new gene are transformed back into the bacteria
Explanation:
just took the exam and got 50/50
A salad including lettuce, tomatoes, and onions would be classified as a _________. A) compound B) element C) mixture D) solution
Answer: C) mixture
Explanation:
A mixture can be define as a combination of two or more substances in which the identity of each substances is retained. In a salad lettuce, tomatoes and onions are separate entities which are combined to form a mixture that is salad.
Answer: Mixture
Explanation:
A salad can be defined as plate full of different kinds of vegetables and fruits which are edible.
The plates contains tomatoes which are different in chemical composition, lettuce which is also different in chemical composition and onions which are all mixed together.
Elements having different chemical composition when combined together is known as a mixture.
which best describes how temperature humidity and pressure vary within an air mass
Answer:
B
Explanation:
K12 test part 1 unit test
where a river flows from an area of harder rock to an area of softer rock, the softer rock may weary away, forming a drop called a(n)
The correct answer is:
b. meanders.
Explanation:
A meander, in overall, is a curve in a sinuous stream or river. Meander forms when leaving water in a stream disintegrates the outer banks and widens its valley and the central part of the river has less power and hastens silt. It is produced by a stream or river turning from side to side as it runs across its floodplain or changes its channel within a valley. A meander is created by a stream or river as it consumes the grounds comprising an outer, concave bank (cut bank) and deposits this and combined sediment downstream on an inner, convex bank which is typically a point bar.
virus life cycles help please! fill in the blank diagram.
Answer:
The virus life cycle consists of 6 stages:
1. Attachment: The protein on the virus capsid attaches itself to the receptors on the ell surface of the host.
2. Penetration: The viruses capsid goes through a conformational change, fusing the virus to the host's cell surface.
3. Uncoating: The virus nucleic DNA is released when the enzymes of the virus or host degrade the capsid of the virus.
4. Replication: Once released the virus DNA undergoes transcription or translation. The replication will be different due to the type of virus invading the host, example DNA virus, RNA virus or viruses with opposite nucleic acid polarity.
5. Assembly: Maturation process occurs, where by the replicated DNA and the virus protein are packed into virions in order to be released from the host.
6. Virion release: The virions can be released either through lysis or budding.
Explanation:
Compare and contrast inbreeding and hybridization
Final answer:
Inbreeding is the mating of closely related individuals within a population, while hybridization involves mating between different species. Inbreeding can lead to a decrease in fitness and reduced crop yield. Hybrids can be less fit or more fit than the parents, driving divergence or fusion between species.
Explanation:
Inbreeding is the mating of closely related individuals, such as siblings or cousins, within a population. It often leads to a decrease in fitness and can cause inbreeding depression, which is a decline in the overall health and vigor of the population. Inbreeding can be a problem in open breeding systems, like crop species, where it can result in reduced crop yield.
Hybridization, on the other hand, involves mating between individuals of different species to produce hybrid offspring. The fitness of hybrids can vary. In some cases, hybrids are less fit than the parents, and this can drive further divergence between the two species. However, hybrids can also be more fit, which can lead to fusion of the two species back into one.
How does DNA in offspring produced by asexual reproduction compare to DNA in offspring produced by sexual reproduction
How do magma and lava contribute to the formation of igneous rock?
Ribosomes are the site where are produced.
Amino acids are coded for by triplet bases in RNA called .
the answers you'll need are
proteins
codons
In a population of grasshoppers, the color green (G) is completely dominant over the color brown (g). If 23% of the population is brown, calculate the percentage of the population that is expected to be heterozygous (Gg).
50 percent
47 percent
77 percent
35 percent
In a population of grasshoppers, the color green (G) is completely dominant over the color brown (g). If 23% of the population is brown, calculate the percentage of the population that is expected to be heterozygous (Gg).
50 percent
If 23% of the grasshopper's population is brown, then the percentage of the population that is expected to be heterozygous (Gg) is found to be 50%. Thus, the correct option for this question is A.
What is Population?A population may be defined as a group of individuals belonging to the same species living in the same area at a definite time. The size, density, birth rate, death rate, and abundance, are some of the characteristics of the population. These characteristics of the population are known as demographic factors.
Now, according to the question,
The percentage of brown individuals (gg)= 23% = 0.23
Then, the frequency of the g allele = √.23 = 0.47.
According to Hardy-Weinberg genetic equilibrium, P+q =1
P + 0.47 = 1 i.e. P = 1 - 0.47 = 0.53.
Now, [tex](P +q)^2 = P^2+2Pq+q^2[/tex] = 1
Now, we have to calculate the number of heterozygotes = 2Pq
= 2 × 0.53 × 0.47 = 0.4982 ≅ 0.5 i.e. 50%
Therefore, if 23% of the grasshopper's population is brown, then the percentage of the population that is expected to be heterozygous (Gg) is found to be 50%. Thus, the correct option for this question is A.
To learn more about Hardy-Weinberg genetic equilibrium, refer to the link:
https://brainly.com/question/16823644
#SPJ2
A deletion of one base in the original segment of DNA is called a frameshift nutation what will happen to the newly synthesized protein as a result
The entire gene sequence after the mutation will be misread if a mutation alters this regular reading frame. This may lead to the incorrect amino acids being added to the protein or the development of a codon that prevents the protein from getting longer.
What frameshift mutation, impact synthesized protein?A point mutation is more likely to have a higher effect on protein synthesis than a frameshift mutation since it has the potential to cause premature termination or change an RNA processing site (e.g., delete splice sites, cap sites, polyadenylation sites.
Contiguous triplets make up the amino acid sequence of a protein due to the triplet structure of codons.
A frameshift mutation results in completely distinct proteins in terms of their chemical makeup, and the more protein modifications a mutation can produce, the closer to the 5′ end of the coding sequence it occurs.
Therefore, In essence, the newly created protein will either not be able to function correctly or it will serve an entirely other role.
Learn more about frameshift mutation here:
https://brainly.com/question/14364090
#SPJ2
A geographic information system (GIS) helps scientists visualize, analyze, and interpret data about locations on Earth. Which statement describes how GIS mapping can help in planning for floods? A) They can help identify weak infrastructure, like roads and bridges, that would need repair before a flood. Eliminate B) They can help seismologists understand how floodwater can absorb into the ground and cause plates to shift. C) They can help meteorologists understand the air temperatures and cloud formations before and after a flood. D) They can help search for lost pets that were separated from their families during floods and other sever weather.
examine the diagram below, explain the path a newly formed polypeptide leaving a ribosome may take as it is modified or packaged before use within the cell or outside the cell: please help me.
After translation of the polypeptide in the ribosome, the polypeptide enters the cisternae of the rough endoplasmic reticulum. Here, the folding of the polypeptide begins with the aid of chaperons proteins. At the end of the RER, vesicles with the completely folded protein bud off and enters the Golgi apparatus where the proteins are transported to its destination.
After several miles of running and sprinting in intervals, the runner’s muscles ache and feel fatigued. Which is the best explanation for what has occurred?