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Irina-Kira [14]
2 years ago
3

Troponin, a major protein in thin filaments, is a globular protein with three polypeptide subunits. Which of the following is NO

T a function of the troponin? A) One subunit binds to calcium ions. B) One subunit binds tropomyosin and helps position it on actin. C) One subunit binds to potassium ions. D) One subunit attaches troponin to actin.
Biology
1 answer:
Iteru [2.4K]2 years ago
8 0

Answer:

The correct answer is C.

Explanation:

Troponin have 3 subunits called Troponin C, Troponin T and Troponin I:

Troponin C is responsible for binding calcium ions. C might be a reference to calcium.

Troponin T is responsible for binding tropomysoin. T might be a reference to tropomysoin.

Troponin I is respobsible for binding actin.

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In a cyclic population _____.
Lana71 [14]
<h3>Correct answer choice is:</h3><h2>B. Populations increase and decrease in a regular predictable pattern.</h2><h3>Explanation:</h3>

A population cycle in biology is a process where populations increase and decrease over an anticipated duration of time. There are many classes where population figures have logically anticipated models of reform although the full incentives for population cycles are one of the significant unsolved environmental difficulties.

7 0
2 years ago
Read 2 more answers
if loss of a control element causes an increase in gene expression, what must be the normal role of that control element? propos
docker41 [41]

Answer:

The normal role of this control element can be that of a negative modulator or regulator

Explanation:

For example, the lactose operon in the bacteria <em>Escherichia coli</em> is negatively regulated. In lactose absence a represor protein is produced, which inserts in the DNA operator site blocking transcription of structural genes. if for example a mutation affects the synthesis of  this repressor, expression of structural genes will increase with no regulation.

A mutation in the DNA operator site that avoids insertion of the repressor, too.

A mutation in the gene that codes for the repressor, will also do the job

4 0
2 years ago
The term "myoparesis" is used to describe: weakness or slight muscular paralysis increase in muscle movement protrusion of muscl
Veseljchak [2.6K]

The term myoparesis is used to describe the weakness or slight paralysis of the muscles. The myoparesis can begin in a person suddenly or it might progress with gradual weakness of the muscles. The affected individual may suffer from weakness of the muscles with incomplete paralysis along with experiencing pain and spasms in the affected muscles. The causes for the development of myoparesis includes stroke, cerebral palsy, multiple sclerosis, and spinal cord injury.

Hence, the answer is 'weakness or slight muscular paralysis'.

8 0
2 years ago
What is an advantage of using fossil fuels to generate electricity? Using wind power is less expensive than burning coal. Fossil
7nadin3 [17]

I’d say B is the best choice

Hope this helps

-AaronWiseIsBae

6 0
2 years ago
Read 2 more answers
A fly has two alleles for the color of its eyes. The green allele is recessive, and is represented by q. The blue allele is domi
murzikaleks [220]

Answer:

p = 0.34

Explanation:

The green allele is recessive, meaning two copies of q (qq) are required to be green. Conversely, animals that are either pp or pq will be blue.

If 44 organisms are green, that means 44 are qq.

For genotype frequencies, the equation is:

homozygous dominant genotype + heterozygous + homozygous recessive = 100%

Which is denoted as

p² + 2pq + q² = 1

We know that q² = 44/100 = 0.44

To work out q, we can do \sqrt{0.44} = 0.66

For allele frequencies, the total must add up to 100%, so

p + q =1

We know that q= 0.66

So p = 0.34, because 0.66 + 0.34 = 1

7 0
2 years ago
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