In monoecious species of plants, plants that have separate "male" and "female" flowers both on the same plant,
applications of gibberellin ____.
a. cause all flowers formed to be "female"
b. encourage proportionally more "male" flowers to develop
c. cause all flowers formed to actually be both "male" and "female"
d. cause all flowers formed to be "male"
e. encourage proportionally more "female" flowers to develop
ANSWER: b
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A. secretes transferrin. B. destroys IgA. C. destroys IgM. D. is very immunogenic.
Humans have __________ different types of autosomes.
A. 46 B. 44 C. 23 D. 22 E. 11
Why is it important to have an antibiotic resistance gene in the cloning plasmid?
a. It makes the bacteria resistant to the antibiotic. b. It provides a way for researchers to sort the bacteria that have the cloning plasmid from the bacteria that don't have the cloning plasmid. c. It aids scientists in developing new antibiotic treatments. d. It provides a way for sorting bacteria that have the gene of interest from the bacteria that just have an "empty" cloning plasmid. e. It makes the bacteria produce more clones.
In cell membranes cholesterol and glycoproteins are exposed to the extracellular surface for cell
recognition and adhesion to other cells. __________________ Indicate whether the statement is true or false.