Which cell can transfer the most DNA?

A. Hfr cell
B. R cell
C. B cell
D. F+ cell
E. F- cell


Answer: A

Biology & Microbiology

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The Calvin cycle in C3 plants occurs in ________ cells, whereas the Calvin cycle in C4 plants occurs in the ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Interspecific competition includes all of the following EXCEPT competition for __________

a. mates b. food c. habitat d. water

Biology & Microbiology

Nearly two-thirds of every vertebrate's body is composed of __________. 

A. bones B. muscle C. carbon D. water

Biology & Microbiology

For each molecule of glucose that is metabolized by glycolysis and the citric acid cycle, what is the total number of NADH + FADH2 molecules produced?

A) 4 B) 5 C) 6 D) 10 E) 12

Biology & Microbiology