The photosynthetic electron transport causes the accumulation of protons in which part of the chloroplast?
A. outer membrane
B. stroma
C. matrix
D. internal thylakoid space
Answer: D
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A scientist conducts a procedure that causes nitrogen atoms to gain neutrons. The resulting atoms will be:
A. ions of nitrogen. B. positively charged. C. negatively charged. D. isotopes of nitrogen. E. new elements with higher atomic numbers.
In prokaryotes, high levels of cAMP ____
a. are present when glucose levels are high
b. are present when glucose levels are low c. negatively regulate the lac operon d. promote CAP production e. lead to CAP degradation
Summarize the three requirements for cloning once a source of DNA has been selected. What will be an ideal response?
An advantage of (attenuated/inactivated/subunit) vaccines is that they usually elicit cell-mediated immune responses
What will be an ideal response?