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MArishka [77]
3 years ago
6

What are the three chemical molecules that make up the subunits of DNA?​

Biology
1 answer:
kotykmax [81]3 years ago
5 0

Answer:

Nucleotides are the subunits of DNA. The four nucleotides are adenine, cytosine, guanine and thymine. Each of the four bases has three components, a phosphate group, a deoxyribose sugar and a nitrogen-containing base.

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Differentiate the role of the liver in the digestive system from it's role in the excretory system.
11111nata11111 [884]

Explanation:

In digestion, the liver is involved in processing the nutrients that are absorbed from the small intestine. It helps in the digestion of fat.

On the other hand, the liver maintains homeostasis by serving an important function in the excretory system.

7 0
2 years ago
Xam
natka813 [3]

Answer:

Pb has an atomic mass of 82. If an atom of that element has an atomic mass of 80, that atom is known as: an isotope.

8 0
3 years ago
What is the adaptive advantage of lungs?
Finger [1]
What you meant must be the adaptive advantage of the frogs' lungs. Frogs are considered as amphibians wherein the have this unique ability to reside either on land or in water. Their specialised lungs could be responsible to these which makes them capable of breathing oxygen in water and land.
8 0
3 years ago
How people often take vitamins needlessly or in excess, resulting in excretion in urine of water-soluble vitamins and potentiall
Katyanochek1 [597]

Water-soluble vitamin excesses are swiftly eliminated in urine and infrequently build up to hazardous amounts.

What is water-soluble vitamins ?

The B vitamins — folate, thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B6, and vitamin B12 — and vitamin C are the nine water-soluble vitamins. A clinical condition caused by a deficiency in one or more of these water-soluble vitamins can have serious morbidity and death effects.

The fat-soluble vitamins are used by your body as needed, and any extra is stored in your tissues and organs. The risk of vitamin poisoning increases when you take too much fat-soluble vitamins on a regular basis, making them more dangerous than water-soluble vitamins.

To learn more about vitamin poisoning click on the link below:

brainly.com/question/9445187

#SPJ4

6 0
2 years ago
Why do Plants cells have cell walls and Animal cells do not?​
zimovet [89]

Answer:

Plants need a rigid structure. Animal cells have flexible cell membranes. So animal cells can have a variety of shapes, but plant cells can not, they have to take the shape of their cell walls. Both plant and animal cells are eukaryotic, so they contain membrane-bound organelles like the nucleus and mitochondria.

4 0
2 years ago
Read 2 more answers
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