Amniotic eggs evolved as a means to
A. protect the embryo while the parent sits on the egg.
B. protect the embryo from predators.
C. prevent the embryo from drying out.
D. allow the parent to gather food, not sit on the nest.
Answer: C
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You are studying cell cycle progression in yeast cells. If you could prevent cdc2 from associating with the mitotic cyclin, the cells would:
A. arrest in G1. B. arrest in G2. C. arrest in S. D. arrest in prometaphase. E. arrest in metaphase. 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 cdc2/cyclin complexes? 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?
The most common chronic blood-borne infection in the U.S. is
A. hepatitis A B. hepatitis B C. hepatitis C D. hepatitis D
Classification of aquatic ecosystems is largely based on features of the ________ environment
Fill in the blank(s) with correct word
Sea anemones, hydra, and sea jellies digest food extracellularly within a
A) gastrovascular cavity. B) lysosome. C) rumen. D) food vacuole. E) digestive tract.