Which cell organelle is absent in human sperm?
$ER$
$Mitochondria$
$Nucleus$
$Centrioles$
$ER$ is absent in human sperm.
Cryptorchidism is the condition in man when
Menstrual flow occurs due to lack of
Both corpus luteum and macula lutea are
After implantation, finger-like projections on the trophoblast are called $…A….$ which are surrounded by $…B..$ and maternal blood. Here $A$ and $B$ refers to
Location and secretion of leyding cells are
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