The first scientists to use Griffith's transformation assay to identify genetic material were:a
Meselson and Stahl.
b. Watson and Crick.
c. Franklin and Wilkins.
d. Avery, MacLeod, and McCarty.
e. Hershey and Chase.
d
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Hypothermia occurs when:
a. temperature falls to the point where brain activity is impaired b. interstitial fluid begins to freeze c. shivering response begins d. breathing rate increases e. metabolic activity increases
What manner of symbiosis is a root nodule? Explain. What will be an ideal response?
In a healthy male, how many sperm cells would be expected to form from (a) 400 primary spermatocytes? (b) 400 secondary spermatocytes?
A) (a) 1600; (b) 800 B) (a) 800; (b) 800 C) (a) 400; (b) 400 D) (a) 400; (b) 800 E) (a) 1600; (b) 1600
Telomere maintenance in cancer cells is the result of
A) natural cell aging. B) active telomerase activity. C) the exchange of DNA between chromosomes. D) viral infection. E) Both B and C result in telomere maintenance.