The fungus Puccinia graminis causes the disease ____
a. powdery mildew
b. wilt
c. wheat blight
d. wheat stem rust
e. flame spot
ANSWER: d
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The point of constriction on chromosomes that contains certain repeated DNA sequences that bind specific proteins is called:
A. The kinetochore B. The centromere C. The cohesin complex D. The centriole E. The centrosome
Which of the following families of proteins is associated with the contractile ring?
A) rho B) alpha C) sigma D) kappa E) delta
The first portion of the seedling to emerge from the
seed coat is indicated by a. A. b. B. c. C. d. one of these, but it is impossible to predict which one. e. none of these.
CREB is activated by
a. cAMP binding in the nucleus. b. phosphorylation by protein kinase A in the nucleus. c. cAMP binding in the cytoplasm. d. phosphorylation by protein kinase A in the cytoplasm.