1. Compare a positive feedback loop and negative feedback loop for homeostasis. Body temperature is an example of a negative feedback loop. Imagine that body temperature was regulated as a positive feedback loop and explain what would happen.
2. Look at the figure of the brain lobes in your textbook. Do you think the chimpanzee would have the same brain lobes as that of a human? How might the chimp brain differ from a humans? Keep in mind the chimpanzee is the humans’ closest relative.

Answer: The Gases

Explanation:

The gases are matter that can assume the shape of the surface, and it has no shape on it's own. Except in the clouds.

Answer: the answer is C

Explanation:

Answer:

c!

Explanation:

For a wave to effectively be produced there need to be large wind, long period of time and a large distance of water. If they are all reduced, then there would be a reduction in the intensity of the wave.

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Answer: Endoplasmic reticulum, microtubules, and the Golgi apparatus

Explanation:

Look at a diagram of these two different cells

I'm not sure but but i think the answer will be:

A. additive genetic variance times the selection differential.

Answer:

A. additive genetic variance times the selection differential

Explanation:

The response to selection can be calculated as additive genetic variance times the selection differential

- Sumin -

Answer:

Mitosis produces genetically identical daughter cells.

The false statement about mutations is: A knock-out mutation results in a total absence of the mutated protein.

Altering the genome's nucleic acid sequence of an organism, virus, or extrachromosomal DNA is known as a mutation.

Knock-out mutation refers to a DNA change that completely halts a gene's expression. In all types of cells and creatures, this is achievable using certain genetic techniques. CRISPR genome editing is currently the quickest and most direct method for accomplishing precise gene knockdown.

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The frequency for the four different phenotypes of the offspring can be determined using a Punnett square.

First, write the alleles for each parent along the top and left sides of the square.

Tt (tall) x Yy (green)

Next, fill in the boxes of the square by combining one allele from each parent.

TY Ty

tY ty

Each box represents a possible genotype for the offspring, with the letters representing the alleles. T is the dominant allele for tall, while Y is the dominant allele for green seeds.

The resulting genotypes:

TY: tall plant, green seeds.

Ty: tall plant, yellow seeds.

tY: short plant, green seeds.

ty: short plant, yellow seeds.

The frequency of each phenotype will depend on the number of each genotype present in the offspring. The frequency of each genotype can be calculated by counting the number of each genotype and dividing by the total number of offspring.

In this case, the frequency for each phenotype:

tall plant, green seeds (TY) = 1/4

tall plant, yellow seeds (Ty) = 1/4

short plant, green seeds (tY) = 1/4

short plant, yellow seeds (ty) = 1/4

It is a 1:1:1:1 ratio for all the four different phenotypes.

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Answer:

Omnivorous

Explanation:

brainless plss

Cholesterol is the precursor of naturally occurring testosterone in the body. It is also biosynthesized with its help.

What are the functions of testosterone?

Testosterone is a sex hormone that has numerous physiological functions. It is thought to control sex drive (libido), bone density, fat distribution, muscle mass and strength, and red blood cell and sperm production in men.

The testicular Leydig cell synthesizes testosterone (T) from cholesterol under the control of the pituitary gonadotropin LH. The gonads produce testosterone, though the adrenal glands in both sexes produce a small amount.

Therefore, testosterone is naturally composed of cholesterol as its primary component.

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Answer:

The answer is A

Explanation:

Gamete is a reproductive cell containing only one set of dissimilar chromosomes.

Answer:

B, the cell membrane

Explanation:

The cell membrane dictates what enters and exits the cell. It keeps the important stuff (such as organelles) inside the cell, allows nutrients to enter the cell, and keeps unwanted ¨things¨ from entering. The tea bag does roughly the same thing.

It keeps the important contents inside (in this case the tea leaves), allows water to come inside, and keeps whatever is in the water outside of the teabag. Obviously the cell membrane is much more complicated than a tea bag, but the tea bag works as a nice analogy.

Laetiporus sulphureus, or chicken of the woods, is a multicellular organism in the Fungi kingdom. It obtains its nutrition as a heterotroph by decomposing dead wood. It is known for its bright color and spongy texture when cooked.

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In the given figure, 7. Mitochondria, 8. Nucleus, 9. Nucleolus, 10. Lysosome, 11. Golgi body, 12. Cytoplasm, 13. Cell wall, 14. Rough ER, 15. Smooth ER, 16. Cilia.

A membrane-bound organelle called a lysosome is present in many mammalian cells. They are spherical vesicles that can degrade a wide range of biomolecules thanks to hydrolytic enzymes they carry. The proteins that make up a lysosome's membrane and lumen have a distinct makeup. The pH of the lumen, which is between 4.5 and 5.0, ideal for the hydrolysis-related enzymes, similar to how the stomach functions. In addition to degrading polymers, the lysosome also plays a role in energy metabolism, secretion, plasma membrane repair, apoptosis, and cell signaling.

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1. I think it is C

2. Possibly A, as shale is a sedimentary mineral

3. C possibly

4. C, obsibian, very glossy and fine, i have some at home, so i know the charactisitics

5. C

The three biomolecules that are used for making ATP are Lipids (fats) , Carbohydrates and Proteins

The biomolecules also known as biological molecules serve a wide range of activities and they vary in shape and their size . It is also considered  essential to life because they help organisms develop, survive, and propagate. The biomolecules interact with one another  which play a role in the development of organisms .

There are four types of biological molecules which are carbohydrates which is used as an energy source , lipids which is used for storage and support , proteins is used for supporting essential vital functions and amino acids are the developing elements that make up proteins and nucleic acids for storing genetic information .

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Natural selection is a process by which certain traits within a population are favored and become more common over time, while others become less common or disappear.

It occurs because individuals with certain advantageous traits are more likely to survive and reproduce, passing on those traits to their offspring. This results in adaptation, where the population gradually becomes better suited to its environment through the accumulation of beneficial traits.

The theory of natural selection was proposed by Charles Darwin, a British naturalist, in his 1859 book "On the Origin of Species." Darwin observed that individuals within a population show variation in traits and that some of these traits provide benefits in surviving and reproducing in their environment.

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Answer:

Microbes living in the soil provide plants with natural protection from pests and diseases. They also are essential for converting nitrogen and other nutrients into forms that plants can use to grow.

Explanation:

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Answer:

BENEFITS:

The Descriptive investigation is used to describe a natural system when nothing or very little is known about the system. Like observing a new specimen in the microscope and describing it by observing the specimen.

A comparative analysis is used to compare two or more variable in nature by collecting data like observing the different colors of the rocks. It provides the data to show the similarity and dissimilarity of the population.

The Experimental investigation is used where experiments are performed to test and answer the scientific questions. The advantage is that data can be used as evidence for future research.

LIMITATIONS:

descriptive  method  of  investigation

It cannot be used to correct variable or be used to determine causes and  effect  of  the  problem

experimental  method  of  investigation

It might create an artificial situation that do not always represent the real  life situation

comparative  method  of  investigation

It  is not easy to control other variables that might influence the study

Ngl, I just copy and pasted these answers from another brainly question

DNA's phosphate backbone has a negative charge as a result of links formed between the phosphorus and oxygen atoms. A phosphate group, which is part of the DNA structure, contains one negatively charged oxygen atom, which is what causes the DNA strand as a whole to be negatively charged.

The negatively charged nature of DNA causes it to move toward the positively charged electrode when an electric current is supplied to the gel.

DNA is net negatively charged at a pH of 7.0. This occurs as a result of a phosphodiester bond connecting the ribose present in the DNA molecule. The net charge of this phosphate group is negative.

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Amino acids are also proteins biomolecules found present in organisms. These amino acids put together in various combinations makes up the various proteins. There is also the presence of some chemical/functional group in them.

The chemical groups found in all 20 amino acids includes:

Amino group (−NH2)

Carboxyl group (−COOH)   (2 and 3)

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Answer:

A

Explanation:

Learnt this 2 yrs ago in geography class

Answer:

a

Explanation:

Answer:

its for wifi

Explanation:

Answer: A. overconsumption of water

Explanation:

Every other answer is a a positive

Answer: carbon dioxide and water.

Explanation: I took the test

Answer:

Crossing over

Explanation:

Crossing over occurs during prophase I of meiosis. Non-sister chromatids of homologous chromosomes exchange genetic material resulting in new allelic combinations in daughter cells. This process accounts for genetic variation.