The three major components of a cell are the nucleus, cytoplasm, and __________
a. plasma membrane
b. phospholipids
c. epithelium
d. receptor proteins
A
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You stain a cell with a dye that reacts with an enzyme found in the lysosome. You would also expect to see this dye in the:
A. nucleus. B. mitochondria. C. endoplasmic reticulum. D. cytoplasm. 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 lysosome proteins? 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?
Which of the following events represses the expression of the bacteriophage ? cI gene?
A. activation of PRE by cII protein B. Cro protein binding to the OR3 operator C. multiple viral particles infecting a single cell D. cIII protein protecting cII from proteolysis
What do synaptic signaling and paracrine signaling have in common?
A. Cells release a signal that affects cells at long distances. B. Cells release a signal through gap junctions to affect neighboring cells. C. Cells release a signal that affects it and neighboring cells. D. Cells release a signal that affects neighboring cells. E. Cells bind a membrane bound signal on a neighboring cell.
Most animals show ____ symmetry
a. bilateral b. multilateral c. no d. radial e. unilateral