Which organisms have been used in genetic research for a hundred years?
a. Mice
b. Fruit flies
c. Corn
d. Pea
e. Chickens
b
Biology & Microbiology
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Exoskeletons are most characteristic of
a. Mollusca b. Arthropoda c. Nematoda d. Chordata e. Annelida
Biology & Microbiology
A pine tree is
a. an angiosperm. b. a haploid plant body. c. a sporophyte. d. the dependent stage in the conifer life cycle. e. all of these.
Biology & Microbiology
What enzyme phosphorylates MAP kinase kinase?
A. MAP kinase kinase kinase B. MAP kinase kinase C. MAP kinase D. MAP phosphatase
Biology & Microbiology
How does ADH help to prevent dehydration?
What will be an ideal response?
Biology & Microbiology