Aman has been told that he is not synthesizing enough follicle-stimulating hormone (fsh), and for this reason he may be unable to father a child. choose the correct statement to explain this problem.(a) the man must be producing progesterone, which inhibits the synthesis of fsh.(b) a hormone made in the adenohypophysis cannot influence fertility.(c) fsh stimulates estrogen secretion by ovarian cells; therefore it is not synthesized by males. (d) fsh stimulates sperm production in the testes.

Which process is involved in growing crops? irrigation transportation recreation condensation

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?

Choose the incorrect statement (a) the motor end plate membrane is only capable of generating graded potentials, but it is contiguous with the skeletal muscle sarcolemma, which can generate action potentials. (b) propagation of an action potential through the t-tubules into the sarcoplasmic reticulum triggers the release of ca++ into the cytoplasm of a skeletal muscle fiber. (c) the generation of suprathreshold endplate potentials in multiple muscle fibers could be due to the increased frequency of action potential generation at the axon hillock of a single motor neuron. (d) a greater amount of ach would be found in the presynaptic vesicles of a motor unit that fired several action potentials after exposure to botulinum toxin, than in a motor unit that fired several action potentials after exposure to the venom of the krait snake (which contains α-bungarotoxin).