The answer is a) because when muscles contract, myosin heads attach to actin and breaks down ATP. Energy is released, pulling actin filaments and muscle contracts. Essentially actin and myosin filaments are sliding past each other.
I am sure the answer is repel because human hair carries negative charges which mean they will repel because like things repel
Answer:
Genetically, you actually carry more of your mother's genes than your father's. That's because of little organelles that live within your cells, the mitochondria, which you only receive from your mother.
While women do inherit 50% of their DNA from each parent, men inherit about 51% from their mother and only 49% from their father.
Explanation:
hope it helps
