If you wished to obtain the strongest phototropic response from a shoot, which wavelength of light
would you use?
a. less than 500 nm
b. 660 nm
c. 730 nm
d. 800 nm
e. more than 800 nm
A
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Which of the following statements is not true of the formation of N-formylmethionyl-tRNAfMet?
A. It is formed in two successive reactions. B. A formyl group is transferred to methionine before it is added to tRNAfMet. C. The transformylase enzyme most likely recognizes a unique structural feature of tRNAfMet. D. The tRNAfMet is charged by the Met-tRNA synthetase.
The salinity of the environment is a good example of a natural evolutionary selective force
Indicate whether the statement is true or false
The most likely cells to be lysed when treated with anti-CD4 antibody and complement are
A. Cytotoxic t cells B. Macrophages C. Helper T cells D. B cells
Butter, cheese, and other dairy products are sources of unsaturated and polyunsaturated fats.
a. true b. false