Why isn't the mitochondrion classified as part of the endomembrane system?
a) It is not involved in protein synthesis.
b) It has too many vesicles.
c) Its structure is not derived from the ER.
d) It is not attached to the outer nuclear envelope.
e) It only has two membrane layers.
Ans: c) Its structure is not derived from the ER.
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A person whose cells all contain a chromosome number of 2n+1 most likely has what type of condition?
A. Monosomy B. Trisomy C. Cancer D. Obesity E. None, this is the normal chromosome number for humans. 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 the number of chromosomes in a human cell? 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?
DNA is protected from restriction enzymes by being
A. sequestered in a lysosome. B. turned into RNA. C. methylated. D. made into double-stranded RNA.
Circular coral reefs that arise out of deep water with a centrally located lagoon are called:
a. atolls. b. barrier reefs. c. table reefs. d. fringing reefs.
A flagellum is to a bacterium as ____ is to a
boat.
a. a captain b. an engine c. a propeller d. a bow e. an anchor