Which of the following pairs is mismatched?
A) DNA polymerase — makes a molecule of DNA from a DNA template
B) RNA polymerase — makes a molecule of RNA from an RNA template
C) DNA ligase — joins segments of DNA
D) transposase — insertion of DNA segments into DNA
E) DNA gyrase — coils and twists DNA
Ans: B) RNA polymerase — makes a molecule of RNA from an RNA template
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Intrinsic properties of immunogens include
A) appropriate physical form. B) molecular size. C) sufficient molecular complexity. D) appropriate physical form, molecular size, and molecular complexity.
The formation of gametes is called ____
a. gametogenesis b. mitosis c. gametosis d. fertilization e. reproduction
Seedless vascular plants, like ferns, require ________ for fertilization.
A. water B. animals C. wind D. bees E. All of the choices are correct.
What are hormones?
a. short-range cellular communication b. made up of lipids and carbohydrates c. internal growth factors d. can act as a positive or negative growth regulator