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Elina [12.6K]
3 years ago
10

A protein containing more than one polypeptide chain exhibits the ________ level of protein structure.

Biology
1 answer:
emmasim [6.3K]3 years ago
8 0

Answer:

D.)quaternary

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1 pts
Scrat [10]

Answer:

They waited before crossing a busy street

Explanation:

Assume the graph looks like the one below.

It shows that, from Point B to C, the distance they were from home did not change.  They had stopped.

A possible interpretation is that they waited before crossing a busy street.

If they had begun accelerating, BC would have been steeper than AB.

If they had slowed their walk, BC would still point up. However, its slope would be less than that of AB.

If they had returned home, BC would point down and to the right.

 

4 0
3 years ago
What does the model suggest about a mechanism for regulating ph in an organism?
Goryan [66]
The answer is c02 regulation, the carbonic acid bicarbonate buffer regulation, the H+ regulation and gas exchange. The following regulations are all completed through the circulatory, excretory and respiratory systems which is part of one huge function that is called homeostasis. Homeostasis is the predisposition to repel alteration in order to uphold a even comparatively constant internal situation. 
7 0
2 years ago
The typical state of a neuron is the _____ potential, but when electrical signals stimulate it to its threshold, the _____ is im
Fudgin [204]

<u>Answer:</u>

The typical state of a neuron is the<u> resting potential</u>, but when electrical signals stimulate it to its threshold, the <u>action potential</u> is immediately observed.

<u>Explanation:</u>

The capacity for rest shows what occurs when a neuron is at rest. A capacity for action takes place when a neuron passes information down an axon, far from the cell body. When depolarization exceeds approximately -55 mV a neuron can activate the capacity for action.

Sodium-potassium valves start moving two potassium ions within the cell as three sodium ions are poured out to keep the negatively charged membrane within the cell; this keeps the resting potential in place.

7 0
2 years ago
Which best describes independent assortment?
bekas [8.4K]

Answer:

In metaphase 1, chromosomes from the mother and father line up randomly along the middle of the cell.

Explanation:

In diploid (2n) organisms, the homologous chromosomes are the two copies of each chromosome, where one of these homologs is the chromosome from the mother, while the second one is from the father. During metaphase I, the homologous pairs of chromosomes pair together at the middle of the cell. The law of independent assortment, also known as or Mendel's Second Law, states that homologous chromosomes line up in random orientations at the metaphase plate during this period (metaphase I).

5 0
2 years ago
Read 2 more answers
Accepta bond formed by the electrical attraction between two oppositely charged ions is a(n)_____.
Troyanec [42]

Answer:

Ionic bond

Explanation:

A bond formed by the electrical attraction between two oppositely charged ions is an Ionic bond.

8 0
3 years ago
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