Melanin is a pigment that is produced by cells known as melanocytes in the skin of most animals, including humans. ...
Answer:
Soil can become waterlogged. The water can cut off the air supply to the roots and to the organisms that live in the soil. If the roots do not receive enough oxygen, the plants will die because they rely on oxygen to complete photosynthesis.
Explanation:
Answer:
To survive. Drinking is very important and is required for animals and organisms to survive. It also keeps us hydrated.
Answer:
B
Explanation:
The folds contain ribosomes attached to the membrane. The more the folds the more the surface area to which more ribosomes can attach. The ribosomes are organelles responsible for the manufacture of protein in cells. Thereafter, the proteins are properly folded by the mediation of chaperones in the lumen of the RER.
The answer is D) carbon forms both single and double bonds.
