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answer correctly this is a actual test and im being timed.

q1 - people who have leukemia, a cancer that affects white blood cells, are often given cytarabine. this drug inhibits the synthesis of dna. which phase of the cell cycle is most affected by cytarabine?

a. g1 phase
b. s phase
c. m phase
d. g2 phase

q2 - a type of fermentation which results from strenuous exercise when cells use up all their oxygen is called _.

a. carbon dioxide
b. glucose
c. lactic acid fermentation
d. alcoholic fermentation

q3 - energy is released from atp when?

a. adenine bonds to ribose
b. a phosphate group is removed from atp
c. atp is exposed to light
d. a phosphate group is added

q4 - what happens in the first stage of photosynthesis?

a. light-dependent reactions occur in the chloroplasts
b. mitochronia breaks down glucose and releases energy
c. cytoplasm breaks down glucose and releases energy
d. light-independent reactions occur to build glucose

q5 - chemical formula: c6h12o6 + 6 o2 → 6 co2 + 6 h2o + energy (34-36 atp + heat)

a. photosynthesis chemical formula
b. cytokinesis
c. cellular respiration chemical formula