Humans have ____ symmetry and are ____
a. radial; protostomes
b. radial; deuterostomes
c. bilateral; deuterostomes
d. bilateral; protostomes
e. biradial; deuterostomes
ANSWER: c
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Which of the following is NOT an example of synthetic biology?
A) assembling gene sequences together into genome and creating a living organism from it B) creating a new metabolic pathway that produces a previously unidentified compound C) developing a novel polyvalent vaccine D) making Escherichia coli phototrophic
Which of the following is TRUE of peptide hormones?
A. They are generally water-soluble. B. They bind membrane receptors to elicit a response on target cells. C. They bind intracellular receptors to elicit a response on target cells. D. They are water-soluble and bind membrane receptors to elicit a response on target cells. E. They are lipid soluble.
Which of the researchers that elucidated the structure of DNA did not receive a Nobel Prize?
a. Wilkins b. Franklin c. Crick d. Watson e. All 4 received the Nobel.
Apical meristems of dicots are at the tips of stems. Apical meristems of grasses are at ground level or slightly below, concealed by the leaves. The leaves also have an intercalary meristem at their bases
What does this mean when considering care of a lawn or soccer field? A) If you mow right at ground level, the leaves can keep growing with no problem. B) Grass mowed two inches above ground level grows at a slower rate compared to grass mowed three inches above the ground level. C) If you mow two inches above ground level, most apical meristems will be cut down. D) If you mow two inches above ground level, both the apical and intercalary meristems can keep producing new cells.