Production of the mature sperm cells have 4 step process beginning at puberty and throughout the male's lifetime. Spermiogenesis is the final process for production of sperm where the spermatids mature into motile spermatozoa. For humans, the spermatogenesis takes 74 days to 120 days and if the transport on the ductal system is included it would take 3 months.
Answer:
porosity,minerals of softness,ease of dissolving
Explanation:
Answer:
The Hay-flick Limit is a concept that helps to explain the mechanisms behind cellular aging. The concept states that a normal human cell can only replicate and divide forty to sixty times before it cannot divide anymore, and will break down by programmed cell death or apoptosis.
Answer:
Enzymes greatly affect reaction rate in the cells because it speed up the chemical process.
Explanation:
Enzymes are the substances which act as a catalyst during a chemical reaction. Enzyme speed up the chemical process by attaching with the molecules in the reaction and when the process completed it is detached from the molecules. No decrease occurs in the size of enzyme after the reaction is completed.