A(n) ________ is a group of three bases on tRNA that is complementary to a specific mRNA codon.
A. poly-A tail
B. anticodon
C. codon
D. cap
Answer: B
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For the potential energy of a proton gradient to be converted to the chemical energy of ATP, the movement of protons down their electrochemical gradient must be coupled with ATP synthesis. This coupling is made possible by:
A. ATP synthase. B. coenzyme Q. C. cytochrome C. D. oxygen. E. protein complex IV.
You observe a tissue with one free surface and several cell layers attached to a basal lamina. This is an example of
____.
a. connective tissue only b. epithelial tissue only c. muscle tissue only d. nervous tissue only e. connective and muscle tissue
In Figure 16.1, how many mL is the inspiratory reserve volume?
A) 1700 B) 2200 C) 1300 D) 600 E) 2800
It is necessary to have chloroplasts to photosynthesize
a. true b. false