BIOLOGY HIGH SCHOOL

Which of the following is not a means of water erosion? A. Streams
B. Rivers
C. Natural springs
D. Ocean waves

Answers

Answer 1
Answer: A means of water erosion would not be C. natural water springs. Erosion occurs when water or wind removes rock, dissolved material, and soil from one location to another. All the other options describe water moving from one location to another, which accurately describes what erosion does. 

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Volcanoes exist on Earth because of:A.erosion and weatheringB.changing weather patternsC.the constant movement and shifting of Earth’s tectonic plates D.none of the above
The ATP molecule shown consists of a base,__________, and a chain of three phosphates.
A 5 kg skateboard moves at 7 m/s². What is the force of the skateboard? 2 m/s 2 12 7 m/s 35 N
When a muscle cell demands energy to contract, what happens to ATP?
Detecting and preventing diseases of r and c system

A ________ is a membrane-bound sac found in cells that contains digestive enzymes which break down complex molecules or structures.

Answers

The answer is lysosome :)
A Lysosome is a membrane-bound sac found in cells that contains digestive enzymes which break down complex molecules or structures.

What would happen if a mutation created a new allele that decreased fitness?

Answers

Fitness describes a reproductive success of an individual. For example, there are green and yellow beetles in a population. If a color affects the reproductive success, for example, green beetles will have more offspring that the brown ones because of their color. So, green beetles have higher fitness. And the beetles with decreased fitness will have less offspring.

So, if a mutation creates a new allele which decreases the fitness, the altered allele will not be inherited in such a ratio as the unaltered allele will.

Which sequence represents a cross section of the bilayer

Answers

hydrophillic head, hydrophobic tail, hydrophobic tail, hydrophillic head

Answer:

The correct order would be a hydrophilic head, hydrophobic tail, hydrophobic tail, and hydrophilic head.

The plasma membrane is a lipid bilayer, that is, a layer formed of two layers of phospholipids.

A phospholipid is made up of two parts; hydrophilic polar heads and hydrophobic lipid tail.

The two layers are arranged in such a way that the hydrophilic parts are present outwards and the hydrophobic tails are sandwiched between the polar heads of two layers.  

Thus, the order would be a hydrophilic head, hydrophobic tail, hydrophobic tail, and hydrophilic head.

If a person has type B blood, which statement describes the antibodies present in his or her blood?

Answers

If a person has type B blood, only anti-A antibodies are present in his or her blood.

The answer is A for edgenutiy

However , some people were able to survive. Why did some people survive

Answers

Answer:

brains that helped them adapt to unstable, shifting landscapes

Explanation:

DNA from one species differs from the DNA of another species in its a)base ratios b)sugars c)phosphate groups d)all of the above

Answers

d.) all of the above                        

HELLO :)

The answer to this question would be

-base ratios

-sugars

-phosphate groups

If your taking the test it would be D) All of the above :)

REMEMBER: (you are beautiful and deserve the world. you deserve to be treated like it. U deserve love, and i know without a shadow of doubt you will find it. you are that amazing. Your story is not to be silenced its your story so own it!if someone decides to walk out of your life.. let them. they dont know what they lost and they are stu.pid for that. They were probably holding you back anyways.

~hailey lee~
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What structure is found in the area designated by #6?A)cerebellumB)brain stemC)spinal cordD) cerebrum
Which of the following provides an example of epistasis? A) Recessive genotypes for each of two genes (aabb) results in an albino corn snake. B) The allele b17 produces a dominant phenotype, although b1 through b16 do not. C) In rabbits and many other mammals, one genotype (cc) prevents any fur color from developing. D) In Drosophila (fruit flies), white eyes can be due to an X-linked gene or to a combination of other genes. E) In cacti, there are several genes for the type of spines.
In glycolysis, each molecule of glucose that is catabolized gives a net yield of how many molecules of ATP? a) 2 b) 4 c) 32 d) 36
How is perspiration related to recovery after exercise?