The technique used to analyze the entire protein complement of a cell is: MCQ with Answer and Explanation

Explanation:
The cell wall is porous and does not regulate entry; the plasma membrane is selectively permeable. Thus, the wall is freely permeable, and the reason explains it.

Explanation:
Tetanus (lockjaw) is caused by the neurotoxin of Clostridium tetani, a soil bacterium that enters through wounds. The toxin causes muscle spasms and rigidity. Diphtheria is by Corynebacterium diphtheriae, pertussis by Bordetella pertussis, botulism by Clostridium botulinum (also a neurotoxin, but from food poisoning). Vaccination with DPT/tetanus toxoid prevents tetanus.

Explanation:
FSH, released from the anterior pituitary, stimulates Sertoli cells in the seminiferous tubules to support spermatogenesis (production of sperm). Luteinizing hormone (LH) stimulates Leydig cells to produce testosterone, which is also necessary for spermatogenesis. Estrogen is female hormone, prolactin for milk, oxytocin for uterine contraction.