A plant stoma is found between two ____
a. leaves
b. root hairs
c. xylem veins
d. trichomes
e. guard cells
ANSWER: e
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You are studying cell cycle progression in an early frog embryo. If you were to inject a protein synthesis inhibitor into a cell during S phase, where do you predict that the cells would arrest?
A. G1 B. G2 C. Metaphase D. Telophase 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 synthesis and the cell cycle? 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?
During the DNA replication process, which of the following organisms would have the fewest origins of replication per cell?
A. a rapidly dividing Streptococcus bacterium B. a yeast cell C. a human D. a young oak tree E. a fruit fly
What is true for both male and female gametogenesis?
_____ Gametes are produced by meiosis. _____ Gametes develop in the gonads. _____ Primary cells are haploid. _____ Each primary cell results in four gametes.
Pituitary dwarfism may be caused by reduced production of:
a. mineralocorticoid b. glucocorticoid c. calcitonin d. growth hormone e. the parathyroid hormone