Which of the following arises from the mesoderm?
a. pituitary gland
b. inner layer of skin
c. chorion
d. outer layer of skin
e. lining of respiratory system
b
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A person is exposed to a drug that prevents vesicles from forming in neurons. Predict the effect this will have on nerve function
A) Voltage-gated potassium channels will be blocked, slowing depolarization and slowing nerve impulses. B) Neurons will be hyper-excitable. C) Neurotransmitters won't be released into the synapse via exocytosis. D) Action potentials will not be carried through the axon.
Which of the following terms is used to describe a synthetic DNA fragment?
A) DNA cassette B) DNA hybrid C) recombinant DNA D) artificial chromosome
When will E. coli turn on their genes to harvest glucose from lactose? a. When there is starch in the gut
b. When there is lactose in the gut. c. When there is fat in the gut. d. When there is glucose in the gut. e. When there is protein in the gut.
Which of the following functions in homeostasis, information processing, and controlling movement?
A. Epithelial tissue B. Connective C. Nervous tissue D. Neural network E. Muscle tissue