In mammals, gonadal differentiation is determined by

a. genotypic sex.
b. gonadal sex.
c. the presence or absence of the Y chromosome.
d. the presence or absence of the X chromosome.
e. the presence or absence of specific hormones.


C

Anatomy & Physiology

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How does blocking retrograde axoplasmic transport in an axon affect the activity of a neuron?

A) The neuron becomes unable to produce neurotransmitters. B) The neuron becomes unable to produce action potentials. C) The soma becomes unable to export products to the synaptic terminals. D) The soma becomes unable to respond to changes in the distal end of the axon. E) The neuron becomes unable to depolarize when stimulated.

Anatomy & Physiology

The addition of ________ to a tissue causing it to harden is referred to as calcification.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Most amine and peptide hormones circulate in the plasma as free hormones, whereas steroid hormones are mostly bound to circulating binding proteins.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Sensory neurons are

A. always unipolar. B. always bipolar. C. always multipolar. D. mostly unipolar, but some are bipolar. E. mostly multipolar, but some are bipolar.

Anatomy & Physiology