Explanation:
Innate (natural) immunity is non-specific, present at birth, and provides the first line of defense. It includes physical barriers (skin), phagocytes, and chemical defenses. Adaptive immunity is acquired and specific.
Explanation:
Taq polymerase is a thermostable DNA polymerase enzyme isolated from the thermophilic bacterium Thermus aquaticus, found in hot springs. It is used in the Polymerase Chain Reaction (PCR) because it can withstand the high temperatures (around 94°C) required for the denaturation step of PCR without being destroyed, unlike normal DNA polymerases.
Explanation:
Luteinizing hormone (LH) binds to Leydig cells in the testes, stimulating testosterone production. FSH stimulates Sertoli cells for spermatogenesis. GnRH is hypothalamic.
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