What is the role of Cdks?
a. to add phosphate groups to target proteins
b. to check for proper attachment of spindle fibers to chromosomes
c. to remove phosphate groups from cyclins
d. to arrest the cell cycle
e. to allow the cell cycle to work forward or backward
ANSWER: a
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A friend asks you for a definition of endemic because she is writing a history paper and this word keeps occurring in the literature in reference to bison on the Great Plains of the United States. Your response is that the word endemic means
A. a species that has gone extinct since humans have evolved on Earth. B. a species that exists in many habitats on Earth. C. a species that has coevolved with humans on Earth. D. a species that lives in only one area of Earth.
What is the key concept addressed by the question?
What will be an ideal response?
Individual plant cells typically gain or lose water mainly via ____
a. facilitated diffusion
b. symport c. guttation d. osmosis e. bulk flow
List the zones that comprise rocky shores. Which of the zones would you expect to have the highest species diversity and which would have the lowest species diversity? Explain your answer
What will be an ideal response?