T cells are produced in the bone marrow but mature in the thyroid
a. True
b. False
ANSWER: False
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Which of the following would be true if a toxin that blocks voltage-gated Ca2+ channels was applied to a neuron?
A. No resting membrane potential would be observed (i.e., measures at 0 mV). B. A rapid increase in membrane potential at threshold voltage would not occur. C. Membrane potential would increase rapidly to peak with an action potential, but would not decrease immediately afterwards. D. The neuron would become hyperpolarized. E. Neuron conducts action potentials normally, but would not transmit these potentials across chemical synapses.
Cnidarians are __________, meaning they have two tissue layers
A. diploid B. protostomes C. diploblastic D. bilateral E. hermaphroditic
Diagram the life cycle for a blood fluke and identify all of the stages that the fluke goes through
Compare and contrast this life cycle to that of a beef tapeworm What will be an ideal response?
In the above graph, curve ________ is most likely the oxygen-binding curve for normal adult human hemoglobin, curve ________ is most likely that of llama hemoglobin (from a llama population that has lived in the mountains of Peru for thousands of years), and curve ________ is most likely that of myoglobin.
A. C, B, A B. A, C, B C. A, B, C D. B, C, A E. B, A, C