What organelle is the site of ATP production?
a. nucleus
b. mitochondria
c. peroxisomes
d. lysosomes
e. Golgi body
ANSWER: b
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P1 bacteriophage can be used as an experimental vehicle to move genes from one cell to another because occasionally large pieces of host DNA are accidently packaged into phage heads. What is this process called?
A. lysogeny B. bacterial transduction C. phase variation D. transposition E. cointegration
In nerve cells, the _______ use ATP
a. potassium channels b. sodium channels c. sodium-potassium pumps d. potassium and sodium channels e. sodium channels and the sodium-potassium pump
To which of the following is a megaspore most closely and completely related?
a. female gametophyte b. seed c. ovule d. egg e. endosperm
Which of the following is not true with regard to the law of segregation?
a. Genes segregate during gamete formation. b. Each gamete contains two genes for each trait. c. Each individual has two factors for each trait. d. During fertilization, each new individual obtains two genes for each trait. e. Gametes contain only one gene from each pair.