In the Northern Hemisphere, when does the summer solstice occur?
A) when the sun reaches its northern maximum
B) when the South Pole is closest to the sun
C) when solar irradiance is at its minimum
D) when lengths of day and night are equal at all latitudes
A
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What is the oxidized form of the most common electron carrier that is needed for both glycolysis and the Krebs cycle?
A. ATP B. FAD C. pyruvate D. NAD+ E. acetyl-CoA
If electrons are shared unequally, this forms a(n)
A. weak bond. B. non-polar bond. C. polar bond. D. ionic bond.
Transcription and replication are alike in that both
A) are guided by complementary base pairing. B) are regulated by homeobox genes. C) require DNA polymerase. D) require a promoter and RNA polymerase.
Describe what occurs during prophase of mitosis.
What will be an ideal response?