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Viktor [21]
3 years ago
7

Which of the following elements is most important for respiration? carbon oxygen hydrogen nitrogen

Biology
2 answers:
kumpel [21]3 years ago
5 0
Nearly 99% of the mass of your human body consists of just 6 chemical elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Another 5 elements make up most of the last percentage point: potassium, sulfur, sodium, chlorine, and magnesium
Otrada [13]3 years ago
4 0

Explanation:

Oxygen of course, because carbon is just the product of respiration, and we don't acutally breathe hydrogen or nitrogen - we might inhale them, of course, but we don't use them. They're just expelled.

Oxygen is used in many processes in our bodies both in big ones such as respiration or molecular ones like many cellular processes.

Answer:

B. / 2 - Oxygen.

Hope it helped,

BioTeacher101

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koban [17]

Answer:

meiosis

Explanation:

When cells divide during meiosis, homologous chromosomes are randomly distributed during anaphase I, separating and segregating independently of each other. This is called independent assortment.

8 0
3 years ago
In cells, the primary function(s) of deoxyribonucleotides is (are):
storchak [24]

Answer:

The correct answer will be option-A.

Explanation:

Deoxyribonucletoide stands for DNA, the genetic material of the organisms. This DNA is the hereditary material of the organism coding molecule is passed on to the generations, so it has to be replicated, form a transcript and translated to proteins.

The DNA transcription process produces a transcript chemical molecule with exactly the same language as of DNA called RNA. This RNA carries the information for the synthesis of protein molecule so it acts as a messenger molecule and is known as mRNA. Other types of RNA molecules are produced by the DNA which is named depending on the functions like transfer RNA or ribosomal RNA.

Thus, option- A is the correct answer.

4 0
3 years ago
This consists of neurons that branch out from the spinal cord and extend to the neck,
photoshop1234 [79]

Answer:

3

Explanation:

pheripheral nervous systems his correct

7 0
2 years ago
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What is a shy, introvert, quiet, caring and smart animal?
IgorLugansk [536]
OK, a sheep, kitten , bunny, turtles , and a deer.. Hope this helps! Pls mark me as the brainliest!! :)
8 0
4 years ago
The ability of a muscle or muscle group to exert maximum force in a single effort is
Degger [83]
Muscular Strength<span>:
the ability of the muscles to exert a force. The maximum amount of force that a muscle can generate in a single effort. </span>Muscular strength<span> in the upper body is tested by the maximum bench press and the lower body by the maximum leg press</span>
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4 years ago
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