The conversion of mammary glands from resting to active states requires the presence of both placental hormones and
A) oxytocin and insulin.
B) progesterones and estrogens.
C) human chorionic gonadotropin and parathyroid hormones.
D) glucagon and somatostatin.
E) growth hormones, prolactin, and thyroid hormones.
E) growth hormones, prolactin, and thyroid hormones.
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The term secretion refers to
A) the manufacture and assembly of a material. B) synthesis of a protein for export from the cell. C) the process by which a cell releases a substance into the extracellular space for a particular use. D) storage of a material, until it is time for it to leave the cell. E) None of the answers describe secretion.
The ________ nerve carries taste from the posterior third of the tongue.
What will be an ideal response?
Synaptic vesicles contain neurotransmitters and are present in the
A. dendrites. B. cell body. C. axolemma. D. presynaptic terminals. E. trigger zone.
Further lengthwise bone growth cannot occur once the epiphyseal lines have formed.
Answer the following statement true (T) or false (F)