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lorasvet [3.4K]
4 years ago
15

Which of the following is responsible for muscle relaxation?

Biology
1 answer:
Cloud [144]4 years ago
5 0

Answer:

Option-C

Explanation:

The process of muscle contraction and relaxation is very complex and involves the electrical signals, calcium ions, ATP, proteins- actin, myosin, troponin, tropomyosin, and many others.

The process of muscle contraction begins when the neural signals lead to the release of the sarcoplasmic calcium ions and then calcium binds to troponin and allows the binding of the tropomyosin and formation of cross-bridge.

The muscle relaxes when the signals from the brain stop the release of the calcium ions from the sarcoplasmic reticulum and the released ions are pumped back in the reticulum.

Thus, Option-C is the correct answer.

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Changes in wind strength during an El Niño affect surface currents, which affects weather patterns. In 3–5 sentences, explain wh
Aleonysh [2.5K]

Answer:

El Niño is defined as an unusual weather pattern seen in the Pacific Ocean. In this weather unusual winds allows the surface water to get warm from the equator to move east, that is toward Central and South America.

So, El Niño affects wind shear, in which air current present in lower altitude moves to different direction from winds higher in the atmosphere and affects weather patterns. such as El Niño is responsble for more rain in South and Central America and in the United States.

3 0
3 years ago
Fill in the blanks.
Ronch [10]

Answer:

chlorophyll is the answer

7 0
3 years ago
The diagram shows a section of DNA. What is the arrow labeled X pointing to? adenine thymine cytosine guanine
Schach [20]

Answer:

This is one example of a chimp DNA diagram

A G C T A C A G A G

A is Adenin

G is Guanine

C is Citosin

T is Thymine

Explanation:

Adenine

Adenine is an organic molecule found in DNA, ribonucleic acid (known as RNA) and adenosine triphosphate, better known as ATP.

Guanine

Guanine is a purine base found in DNA and RNA that binds exclusively with cytosine to form ribonucleosides called guanosine or deoxyribose to form deoxyguanosine.

Thymine

Thymine is a pyrimidine base found in DNA that binds to adenine.

Cytosine

Cytosine is a pyramid-shaped nitrogenous base that binds to guanine in RNA and DNA as nucleotides and functions as part of the genetic code.

#AnswerForTrees

5 0
4 years ago
Read 2 more answers
A solution that is 100 times less acidic than a solution that is pH 2 would<br> have a pH of
hammer [34]
I believe it would be 3 because the higher the number the less acidic and the more basic it is.
8 0
3 years ago
Which of the following best explains a characteristic that differentiates Fungi from Plants?
NikAS [45]
<span>The answer is C because fungi use decomposition to get nutrition, while plants produce their own nutrients, making them autotrophs. Answer choice A is incorrect because fungi cells do have cell walls, even though they contain chitin, which isn't present in the cell walls of plants. Answer choice B is incorrect because while they do form colonies, most fungi are multicellular. Answer choice D is incorrect because plants are also able to reproduce both sexually and asexually.</span>
4 0
3 years ago
Read 2 more answers
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