Scientists isolate cells in various phases of the cell cycle. They find a group of cells that have times more DNA than G1 phase cells. The cells of this group are _____

A) between the G1 and S phases in the cell cycle
B) in the G2 phase of the cell cycle
C) in the M phase of the cell cycle
D) in the S phase of the cell cycle


Answer: D

Biology & Microbiology

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Which of the following describe a role that ethylene plays in plant physiology. Check all that apply.  

_____  Retarding stem and root elongation. _____  Hastening the ripening of fruit. _____  Inhibition of leaf abscission. _____    Inhibition of lateral bud growth. _____  Accelerates the loss of damaged fruits.

Biology & Microbiology

After not eating for three days, _____ levels will be high.  

A.  pancreatic enzymes B.  glucagon C.  glycogen D.  insulin E.  blood glucose Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about fasting? What other information is related to the question? Choose Answer · Given what you now know, what information 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?  

Biology & Microbiology

In general, DNA replicates semiconservatively and bidirectionally

Indicate whether the statement is true or false

Biology & Microbiology

What is a soil with roughly equal amounts of humus, silt, clay, and sand called?

a. a topsoil b. a loam c. a subsoil d. a compost

Biology & Microbiology