Ans: D) oxytocin
The practice of women bringing food to other women during times of crisis may have been triggered by which neurotransmitter?
A) GABA
B) serotonin
C) dopamine
D) oxytocin
Biology & Microbiology
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You are studying the hormonal control of metamorphosis in amphibians. If the anterior pituitary were
prevented from releasing TSH, predict the effect on tadpoles.
a. Conversion to frogs would be increased five-fold. b. Metamorphosis would be extremely slow. c. Calcium secretion in tadpoles would be inhibited. d. Metabolism in tadpoles would be greatly decreased. e. Metamorphosis would be extremely slow and metabolism in tadpoles would be greatly decreased.
Biology & Microbiology
Antibodies are classified as
a. nucleoproteins. b. immunoglobulins. c. steroids. d. carbohydrates. e. lipids.
Biology & Microbiology
The white matter differs from gray matter in
that
a. white matter is found in the brain, and gray matter is found in the spinal cord. b. white matter consists of bundles of myelinsheathed axons, and gray matter consists of cell bodies, dendrites, and neuroglial cell. c. white matter transmits sensory information, and gray matter transmits motor information. d. white matter is associated with the sympathetic nervous system, and gray matter is associated with the parasympathetic nervous system. e. all of these are true.
Biology & Microbiology
Osmosis involves the movement of ____ across a semi-permeable membrane from an area of ____
a. solutes; high solute concentration to an area of low solute concentration b. water; high solute concentration to an area of low solute concentration c. solvents; high solute concentration to an area of low solute concentration d. solutes; low solute concentration to an area of high solute concentration e. water; low solute concentration to an area of high solute concentration
Biology & Microbiology