Answer: a) relies on the uptake of an external signal molecule from the cell
Explanation: Signal transduction is known as the transmitting of any signal of a molecule from exterior of cell to interior of cell.This technique is termed as critical is taken care of successful transmission of signal effectively and positive result and reception is done by the cell surface receptors.It is also known as cell signalling. Thus,option(a) is the correct option of all.
Answer:
D
Explanation:
polysaccharides is NOT one of the four main groups of macromolecules of living things
Answer: mRNA is made in the nucleus
Explanation:
Damage to your kidneys can cause wastes to build up in your body and lead to other health problems like heart disease , anemia,and bone disease. Also you can die without your kidneys
B. Photosynthesis/Cellular respiration releases energy stored in food and produces carbon dioxide and water
