Within a DNA molecule, which nitrogen base pairs with cytosine (C)?
A. uracil (U)
B. thymine (T)
C. adenine (A)
D. guanine (G)

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink.b. the chloroplasts would produce more energy.