Using the group of cards just described in this lesson, the probability of drawing a red five is 1/14, 1/100, 1/56, 7/56
The probability that you could draw a red five is 1/56
What is top soil? How do living things help form topsoil?
Topsoil is the upper, outermost layer of soil, usually the top 2 inches to 8 inches. It has the highest concentration of organic matter and microorganisms and is where most of the Earth's biological soil activity occurs. Four elements constitute the composition of soil.
Animals burrowing and plant roots growing down into the soil create the pores in the soil for the air and the water.
The organic matter in the soil comes from the decay of dead plants and animals. Earthworms, bacteria and fungi are just a few of the organisms that live in the soil, feed on the organic matter and decay or recycle plant nutrients. All of the organisms that live in the soil are such an important part of the continuous, natural process of decomposing organic materials and preparing the soil for future plant growth
the cellular process that enables the cells to grow and develop into tissue is
Answer: Mitosis
Remember, mitosis is the process where a single cell divides resulting in generally two identical cells, each containing the same number of chromosomes and genetic content as that of the original cell.
If you're interested in the stages
Mitosis:
1. Interphase- Two sister chromatids centrosomes have replicated.
2. Prophase- Chromosomes condense, and spindle apparatus begins to form.
3. Prometaphase- Nuclear envelope breaks down. Microtubules contact chromosomes at kinetochores.
4. Metaphase- Chromosomes complete migration to middle of cell.
5. Anaphase- Sister chromatids separate into daughter chromosomes, which are pulled to opposite poles of spindle apparatus.
6. Telophase- Nuclear envelope re-forms, and chromosomes de-condense.
Cytokinesis:
1. Cell division begins- Actinmyosin ring causes plasma membrane to begin inching in.
2. Cell division is complete- Two daughter cells form.
A lot of information, but good to know.
Good luck!
Mitosis
Mitosis is the cellular process that enables the cells to grow and develop into tissue.
Explanation;Mitosis is a type of cellular division which takes place in the body cells where a parent cell divides to two daughter cells that are identical to the parent cell.Mitosis plays various important roles in living organisms which includes; asexual reproduction in single-celled organisms such as amoeba. It is also important in growth of animal and plant by creating cells necessary to add more mass to the body of a plant or animals.Additionally, mitosis plays an important role in tissue repair. This takes place when organisms are injured to replace damaged tissues.To test how fertilizer affects tomato plants, a farmer divided a field of young
tomato plants into 10 plots of equal size. The farmer then put fertilizer on half
of the plots and no fertilizer on the other half of the plots. Which factor is
being tested in this experiment?
A. Amount of fertilizer
B. Kind of plants
C. Age of plants
D. Brand of fertilizer
Answer:
Option (A)
Explanation:
In order to conduct an experiment, there are variables (parameters) that are dependent on the experiment. These variables can be either dependent or independent.
Dependent variables are those that cannot be changed throughout the experiment and are dependent on the independent variables.
On the other hand, the independent variables are those whose changes can have an effect on the experiment. These are the parameters that control the experiment.
In the above-given experiment, the amount of fertilizer is a factor that can be tested, as the amount of fertilizer is determined that is required for the entire crop field, containing tomato. It means that the amount of fertilizers needed to put on half of the plot will be again required to put on the remaining half of it.
Hence, the correct answer is option (A).
please I need help pronto
they use them as symbols so dont get it wrong
A fish feeds on algae in a pond. As a result, there is an energy transfer between trophic levels in the ecosystem. What is the name of the cellular process that releases energy from the algae so it can be used by the fish?
Answer:
Explanation:
Cellular respiration is a process through which the glucose in food is oxidised and broken into carbon dioxide and water as products. Also there is release in energy in the form of ATP.
The fish will assimilate the food by oxidizing the glucose present in algae as a result of this the food will be broken into simple components along with energy which can be used for metabolism in fish.
Climate can have a big impact on populations. Why do you think that heat-related deaths can be greater in cities at higher latitudes than in more tropical cities?
the physical expression of genes
The physical expression of genes are phenotype. Phenotype is the expression of the gene by the appearnace of the organism. It is the characteristics of that trait.
Examples : When pigment is made in our eyes, height ( tall and short) , weight, blond hair is the phenotype for the blond hair genotype and skin colour( black, white ) is the phenotype trait.
The physical expression of genes is known as phenotype, which refers to the observable characteristics or traits of an organism. This expression is influenced by both an organism's genetic makeup and environmental factors.
Explanation:The physical expression of genes is known as phenotype. Phenotype refers to the observable characteristics or traits of an organism, such as its appearance, behavior, or even susceptibility to certain diseases. It is influenced by the interaction between an organism's genetic makeup (genotype) and environmental factors.
For example, in humans, eye color is a phenotype that is determined by specific genes. Different combinations of genes can result in different eye colors, such as blue, brown, or green. The phenotype can also be influenced by environmental factors, such as exposure to sunlight, which can affect the production of pigments in the eye.
Understanding the relationship between genes and their physical expression is important in fields like genetics, medicine, and evolutionary biology, as it helps us understand how traits are inherited and how they can change over time.
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this video is about the human blank project
? there is no video. Please be more specific
I suggest taking this post down before a moderator does.
They are pretty strict. :)
1) __________ fats or lipids form animal body fat that is used for stored energy and insulation
Order the steps of protein synthesis. Amino acids are lined up in a sequence. DNA is transcribed. RNA is modified into mRNA. A ribosome binds to mRNA. Chemical bonds are formed and a protein is produced.
steps involved in protein synthesis:
DNA is transcribed.RNA is modified into mRNA. A ribosome binds to mRNA. Amino acids are lined up in a sequence. Chemical bonds are formed and a protein is produced.Explanation:The synthesis of proteins takes two steps: transcription and translation. Transcription takes the information encoded in DNA and encodes it into mRNA, which heads out of the cell's nucleus and into the cytoplasm. During translation, the mRNA works with a ribosome and tRNA to synthesize proteins.
there are not many deserts on earth true or false
How will the summer drought influence the model we see here?
The summer drought will influence the model badly because the water is used to make food. Water is the basic need of our life. It is used in everything in our lives like electricity production, washing dishes, and many other activities in daily life. We don’t have enough water means drought and this effect disturbs many people in many activities within various nations.
what is the function of the capsule in a prokaryotic cell?
The function of the capsule in a prokaryotic cell is to protect the contents of the cell
Select all that apply. Our chemoreceptors are mostly for tasting while other animals use them for _____. finding food finding mates smelling sensing danger
Our chemo receptors are mostly for tasting while other animals use them for- sensing danger and finding mates.
Examples of sensing danger:
Certain fish species like Cichlids release a type of pheromone that alerts other fish of the danger around them or a cat becomes alert and flees away when it smells a dog. Example of finding mates is that many animals release sex pheromones to attract a mate.
Answer:sensing danger and finding mates.
Explanation:
Which of these is a common problem after a volcano erupts?
A. Global warming
B. Acid rain
C. Seismic waves
D. Ground shaking
B. Acid rain
When volcanic eruption happens, Sulphur dioxide is released which could cause acid rain.
A. and D. are caused by earthquake thus is not correct
C. Global warming could happen under extreme circumstances but it's not common.
List at least 5 differences between bacteria and viruses
Answer:
Bacteria and Viruses both are microorganism but they are very different from each other.
Explanation:
viruses totally depend on their host for replication but bacteria can replicate independtly.
viruses need viable cell to survive but bacteria dont.
viruses are smaller in size than bacteria.
viruses are usually disease causing entity but bacteria also provide benefits to their host called as commensals bacteria.
viruses totally hijack the cellular machinery of the host and replicate itself.
The aerobic phase of cellular respiration in the mitochondrion produces a net of about 28 to 30 ATP molecules. How does this compare to the energy released in glycosis?
Answer:
More ATP is produced in mitochondria
Explanation:
Glycolysis is the first stage of cellular respiration. It is a common process of both anaerobic and aerobic respiration. It occurs in the cytoplasm of a living cell. During glycolysis 4 ATP and 2 NADH is produced and 2 ATP is used up. Thus, there is net gain of 2 ATP. The completion of cellular respiration takes place in mitochondrial matrix and on inner membrane, where all the co-enzymes NADH and FADH₂ oxidised to release ATPs. On oxidation each NADH produce 3ATP and each FADH₂ produces 2 ATP. Total 10 NADH is produced during complete oxudation which yield 30 ATP and 2 FADH₂ yields 4 ATP. Thus, in the mitochondria more ATP is produced as compared to glycolysis.
The aerobic phase of cellular respiration where a net amount of 28 to 30 ATP is generated is distinct from glycolysis in terms of the amount of energy generated because only 2 ATP are generated from the latter.
During glycolysis, glucose molecules undergo a series of reactions in which 2 molecules of pyruvates result along with 2 molecules of ATP as well as 1 molecule of NADH. More specifically, 4 ATP are produced but 2 are consumed back in the process, meaning that the net number of ATP produced is 2.
If this amount of ATP is compared to the aerobic phase of cellular respiration (Kreb's cycle and electron transport chain), one would see that about x14 to x15 of the amount of energy generated in glycolysis is produced in the aerobic phase.
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In the picture below how would you describe the cell organelle and its function for letter A
This picnic table was made from fallen trees in a local forest. Is this picnic table a biotic or abiotic factor? Explain your answer.
Q: this picnic table was made from fallen trees in a local forest. is this picnic table a biotic or abiotic factor? explain your answer.
A: the answer would be biotic because the term biotic means that something is living or had lived before. as you can see, the table was made by fallen trees in the local forest. that means it lived before the tree was fallen and carved into a picnic table.
hope this helps! ❤ from peachimin
The picnic table produced from fallen trees is a biotic factor
Biotic factors are living things which includes plants, animals and organisms present in an ecosystem which also contributes to the existence of the ecosystem. while
Abiotic factors are non-living things/factors found in an ecosystem that has an impact on the existence of an ecosystem and they include ; water, temperature, rocks and soil.
Hence we can conclude that the picnic table is a biotic factor because it is produced from a once living thing.
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Describe how models are used to predict phenomena.
Models are utilized to predict and make phenomena easier to understand. They come in various forms, like mathematical models which accurately predict one value from another. Others, like statistical models, offer a range of probable outcomes, acknowledging uncertainty.
Explanation:Models, being mathematical or otherwise, are tools that scientists and researchers use to predict and understand phenomena. They provide simplified depictions of more complex real-world processes, making them visual and tangible. For example, mathematical models in statistics are used to describe and predict phenomena. These models, like deterministic models, can predict a value from another with a high degree of precision. They are used in diverse fields, like space agencies to predict things like the thrust a rocket needs to escape Earth's gravity.
In physics and chemistry, three-dimensional models are used to visualize complex molecules. Furthermore, computer simulations can model processes like star or planet formation. They can simulate past events or events that occur too quickly or slowly to observe directly. They also allow for virtual experiments where variables can be altered to observe different outcomes.
Lastly, statistical models like those used in meteorology to predict weather, illustrate the likelihood of events. Unlike deterministic models, they acknowledge uncertainty, offering a range of possible outcomes. This allows us to prepare for the different potential scenarios.
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How gypsy moth being controlled?
Gypsy moth can be contolled through;
Maintaining a clean yardUsing Gypsy moth trapsUsing less toxic botanic insectside such as natural pesticidesUsing a Tanglefoot paste barrier.What best describes the temperature of a city located along a windward coast
The answer is : Cooler summer temperatures than an inland location at the same latitude.
-your welcome ;)
A city located along a windward coast usually experiences moderate and stable temperatures. The sea's influence brought by prevailing winds results in cooler summers and milder winters compared to inland cities. This effect is known as maritime influence or coastal moderation.
Explanation:The temperature of a city located along a windward coast is typically more stable and moderate compared to cities situated inland. Windward coasts, those facing the direction from which prevailing winds blow, are greatly impacted by the nearby body of water. Ocean water heats up and cools down more slowly than land does because of its high specific heat, which results in coastal areas having milder temperatures and less temperature variability.
For example, if the prevailing wind is blowing from the sea towards the shore, which is the usual case for windward coasts, it carries with it the influence of the sea temperature. This generally results in cooler summers and milder winters compared to cities that are located inland. This effect is otherwise known as maritime influence or coastal moderation.
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The outputs of cellular respiration are
a.nutrients and carbon dioxide.
b.energy and carbon dioxide.
c.nutrients and oxygen.
d.energy and oxygen.
So you recieve the CO2, Sun Photons, and such, so the plants outcomes are d, energy and nutrents because oxygen comes out from the vasular tissue, and thhe energy comes from the other incomes.
Answer:
its D. Energy and oxygen.
Explanation:
What’s the paired with their function
Using Iodine, what indicates the presence of a complex carbohydrates
Hi. OP do not mind this. This is for the mods. im a rebel. cant wait to get banned. dont worry mods this is an alt. lol
answer key to microscope mania
Across:
1. Known as the “Father of Microscopy” Leeuwenhoek
8. Refers to the power of a microscope; calculated by multiplying the
power on the objective by the power on the eyepiece
13. Part of the microscope that contains the ocular lens
15. Type of lens found in the eyepiece
17. When viewing objects under ___-power, you are able to see a
larger field of view, but not as much detail.
19. Small disk found under the stage that regulates the amount of light
that reaches the specimen
20. Large knob on the side of a microscope that should be used first
when viewing a slide
22. Small glass or plastic piece that is used to cover a water drop on a
slide.
23. Refers to the type of microscope Leeuwenhoek created with one
lens
Down:
1. Provides light to allow you to view materials on a glass slide
2. Developed one of the first compound microscopes by placing
several lenses in a tube
3. When viewing objects under ___-power, the field of view is
smaller, but you are able to see more details.
4. Type of light source that reflects light rays
5. Bottom portion of the microscope
6. Used a compound microscope to discover that living things are
composed of cells
7. Found on the nosepiece; range from low to high power
9. Refers to the amount of a specimen we are able to see; decreases as
the power of magnification increases
10. Used to hold a slide in place on the stage
11. Small knob on the side of a microscope that helps you focus the
microscope
12. Part of the microscope that holds the objective lenses and is able
to rotate to change magnification
14. Type of microscope made up of two or more lenses
16. Rectangular glass plate used to view samples of water or other
materials
18. Part of the microscope that should be used when it is carried
21. Part of the microscope that supports the slide being viewed.
1. Leeuwenhoek
8. Magnification
13. Eyepiece
15. Ocular lens
17. Low
19. Diaphragm
20. Coarse
22. Cover slip
23. Single lens
1. Light source
2. Janssen
3. High
4. Mirror
5. Base
6. Hooke
7. Objective lens
9. Field of view
10. Stage clips
11. Fine
12. Nosepiece
14. Compound
16. Slide
18. Arm
21. Stage
Answer:
Known as the “Father of Microscopy” Leeuwenhoek
8. Refers to the power of a microscope; calculated by multiplying the
power on the objective by the power on the eyepiece
13. Part of the microscope that contains the ocular lens
15. Type of lens found in the eyepiece
17. When viewing objects under ___-power, you are able to see a
larger field of view, but not as much detail
Explanation:
If the line graph has a broken line between the points, then _____.
the data has not been verified from more than one experiment
the data is not actual data and is only an approximation
the data is valid but is being defined for one of multiple sets of data
the data has only been verified by one other experimenter
the data is not actual data and is only an approximation. I got 100 on a test, your welcome))
If the line graph has a broken line between the points, it means there are missing values or gaps in the data. This does not invalidate the data, but indicates missing information for certain points.
Explanation:If the line graph has a broken line between the points, it means that the data is not continuous and there are missing values or gaps in the data. This usually occurs when the data points are not available for those specific values or there is a break in the data collection process. The broken line does not necessarily mean that the data is not valid or verified, it simply indicates missing information for certain points.
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Choose two genetic disorders and discuss how they are inherited. Plz hurry to answer this cuz i really need the answer
Down syndrome
A genetic chromosome 21 disorder causing developmental and intellectual delays.
Cystic fibrosis
An inherited life-threatening disorder that damages the lungs and digestive system.
Down syndrome and Fragile X syndrome those are the one I know
Which statement about controlled experiments is true?
A) In a controlled experiment, all variables must be kept the same
B) Controlled experiments cannot be conducted on living things
C) A controlled experiment only tests one variable at a time
D) Scientists always utilize controlled experiments
The answer is
C) A controlled experiment only tests one variable at a time
In a controlled experiment, only one variable at a time is changed while all others are kept constant. This type of experiment can be performed on living things, and while important in scientific research, are not used in every instance.
Explanation:The correct statement about controlled experiments is 'C) A controlled experiment only tests one variable at a time'. In a controlled experiment, the investigator changes one variable while keeping all other variables constant. This approach ensures that any observed changes in the experiment can reliably be attributed to the variable that the investigator intentionally manipulated. Controlled experiments can indeed be performed on living things, and while they're a key tool in the scientific method, it's not accurate to say that scientists always use them because some research questions may not lend themselves to controlled experiments.
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