What is a characteristic shared by the protozoa which are intestinal parasites of humans?
A. They have a dormant cyst stage.
B. They have multiple nuclei.
C. They reproduce sexually in an invertebrate host.
D. They reproduce sexually in humans.
E. They have suckers for adhering to the intestine.
Answer: A
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If pyruvate oxidation is blocked, what will happen to the levels of oxaloacetate and citric acid in the citric acid cycle shown in the accompanying figure?
A) There will be no change in the levels of oxaloacetate and citric acid. B) Oxaloacetate will decrease and citric acid will accumulate. C) Oxaloacetate will accumulate and citric acid will decrease. D) Both oxaloacetate and citric acid will decrease. E) Both oxaloacetate and citric acid will accumulate.
GABA receptors play an essential role in neurotransmission in the central nervous system. In response to the appropriate signal, these receptors open up and allow Cl- to flow into the cell. Given this information, GABA receptors can be classified as a
A. gated ion channel. B. gated carrier protein. C. symporter. D. Cl- pump. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about protein transporters? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
____ is the process by which researchers identify various types of sequences
Fill in the blank with the appropriate word.
Describe ecdysis in roundworms and joint-legged animals.
What will be an ideal response?