This bacterium's ability to survive in a human who is taking penicillin pills may be due to the presence of _____
1. penicillin-resistance genes
2. a secretory system that removes penicillin from the cell
3. a Gram-positive cell wall
4. a Gram-negative cell wall
5. an endospore
A) 1 or 5
B) 2 or 3
C) 4 or 5
D) 2, 4, or 5
D
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You recently identified a novel protein that contains several membrane-spanning domains. You would predict that the amino acids embedded in the membrane would have ____ side groups.
A. nonpolar B. negatively charged C. polar uncharged D. positively charged 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 amino acid side groups? 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 letter(s) indicate(s) the process during which oxygen is consumed?
a. A
b. B
c. C
d. D and E
Why do most individuals have more than one episode of the common cold in a season?
What will be an ideal response?
In lichens, the fungi send projections of their hyphae across the algal cell wall in order to obtain nutrients from the photosynthetic partner. These projections are called
A. hyphal extensions. B. lichenthropes. C. haustoria. D. mycelia.