Enzymes are sometimes called biological catalysts
The word biology comes from the Greek word <em>bios</em>, meaning life, and <em>logos</em>, meaning study.
Sperm production is hormonally driven. Brain hormones govern sperm production and are precisely controlled. So I say yes
Answer: 2 electrons
Explanation:
The inner shell (1st shell) can hold 2 electrons, the next shell can hold 8 electrons and the third shell can hold 18 electrons.