The correct answer is B - homozygous
Yes, that's a true statement.
- ATP supplies energy for cellular activities by releasing one of the phosphate group in its molecule
- Cellular activities in living organisms make use of ATP as source of energy
<h3>What is ATP?</h3>
ATP stands for Adenosine triphosphate and it is an energy carrier molecule in living cells of an organism.
The ATP molecule is made up of three components namely;
- Nitrogenous base
- 3 Phosphate groups
- Five carbon sugar
The ATP molecule gains one phosphate group when it stores energy and loses one when it releases energy.
Learn more about ATP at: brainly.com/question/14637256
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The class of macromolecule a steroid belongs to is a lipid.