In some forms of breast cancer, estrogen is a(n)
A) initiator.
B) promoter.
C) progressor.
D) inhibitor.
E) mutagen.
B) promoter.
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In order to reuse an enzyme after the conclusion of an enzyme catalyzed reaction, what must occur?
A. the enzyme has to be resynthesized B. the enzyme has to separate itself from the product C. changes into an active form D. the enzyme has to decrease entropy
A gelatinous seaweed that grows in shallow, cold water and undergoes heteromorphic alternation of generations is most probably what type of alga?
A) red B) green C) brown D) yellow
The interaction of sympathetic and parasympathetic systems is best described as _____.
A. antagonistic B. cooperative C. overriding D. synergistic E. ineffective
If a bacterium containing a mutation in the avirulence gene lands on a plant that has the corresponding R gene, the bacterium may not initiate rapid cell death in the plant.
Answer the following statement true (T) or false (F)