True or False
Each sperm is a single cell.

Answer true or false. In case of a single movable pulley, the mechanical advantage is 2.

State True or False: The most part of the cell cycle consists of the mitotic phase.

Write "True" or "False". Bone forming cells are called osteoclasts while bone dissolving cells are called osteoblasts.

State True or False: Mean of the observations can be lesser than each of the observations.

True or False Muscle cells are branched .

Which of the following blocks the entry of additional sperm, once a single sperm cell encounters ova?