Which is an immediate effect of blocking the activity of mitochondrial ATP synthase?
A. The pH in the space between the mitochondrial membranes would increase.
B. The concentration of NADH would increase.
C. ATP synthesis would increase.
D. The pH in the space between the mitochondrial membranes would decrease.
E. Oxygen consumption would decrease.
D. The pH in the space between the mitochondrial membranes would decrease.
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Archaea have a unique form of conjugation involving cytoplasmic bridges for bidirectional transfer of DNA
Indicate whether the statement is true or false.
The habitat of a species has
a. both abiotic and biotic factors. b. neither biotic or abiotic factors. c. biotic factors. d. abiotic factors.
Figure 42.11
Use the figure above showing human embryonic developmental day 14 to answer the following question.
The structure that later becomes part of the placenta is indicated by ____.
A. A B. B C. C D. D E. E
Small RNAs can regulate gene expression. One type, called micro RNA (miRNA), acts by binding directly to
A. mRNA to prevent transcription. B. tRNA to prevent transcription. C. mRNA to prevent translation. D. tRNA to prevent translation.