What is the role of nurse cells?
A) Nurse cells produce testosterone.
B) Nurse cells undergo spermatogenesis to become mature sperm.
C) Nurse cells secrete androgens.
D) Nurse cells create a microenvironment that supports spermatogenesis and form the blood testis barrier that isolates sperm from the blood.
E) Nurse cells undergo synapsis to create secondary spermatocytes.
Answer: D
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