How would the shape of a DNA molecule change if adenine paired with guanine and cytosine paired with thymine?
A) The DNA molecule would be longer.
B) The DNA molecule would be shorter.
C) The DNA molecule would be circular.
D) The DNA molecule would have irregular widths along its length.
Answer: D
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Many plants are filled with toxins that kill or deter herbivores. Many plants sequester these compounds within the cell. Where in the plant cell are these toxic substances most likely stored?
A. Central vacuole B. Mitochondria C. The stroma D. Amyloplasts E. Lysosomes 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 already know about about plant toxin sequestration? 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?
Vast __________ form in the interior of midlatitude
continents. Fill in the blank(s) with the appropriate word(s).
Which of the following tests does NOT detect an immune response to a virus infection?
A) a viral neutralization test B) a direct immunofluorescent antibody test C) a viral hemagglutination test D) a complement fixation test E) a direct ELISA
During meiosis, chromosome number reduction takes place in ________
A) anaphase II B) anaphase I C) prophase I D) telophase II E) metaphase I