Answer:
The testes are two oval-shaped male reproductive glands that produce sperm and the hormone testosterone.
Answer - A
Semi-conservative model of replication involves the replication of DNA in all the familiar cells in such a way that each newly synthesized daughter cell contains a double helix with one new strand and one old strand.
The muscle contracts when ATP supplies energy for thing filaments in a muscle fiber to slide over thick filaments. The correct answer is A.
