Examlex
In the short run,all costs are variable.
Zymogens
Inactive enzyme precursors that require a biochemical change to become active enzymes.
Estrogens
A group of steroid hormones that play a key role in the development and regulation of the female reproductive system and secondary sexual characteristics.
Androgens
A group of hormones that play a role in male traits and reproductive activity; testosterone is the most well-known androgen.
Male Embryo
An embryo that has XY chromosomes, leading to the development of male sexual characteristics.
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