Cell walls, which are found in plant cells, maintain cell shape. Some animal cells dont need to maintain shape. Such as muscle cells, they are constantly moving.
Answer:
OPTION C )TRP
trp operon is an example for anabolic operon. It generally codes for enzymes responsible for the synthesis of tryptophan, an essential amino acid
Answer:
it is 3959 miles to the centre of the earth
a tropical rain forest is usually humid