Protostomes but not deuterostomes:a
will have bilateral symmetry.
b. will have radial symmetry.
c. will have a developmental process that includes indeterminate cleavage.
d. will have a developmental process that includes radial cleavage.
e. will have a developmental process that includes spiral cleavage.
E
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The major advantage of immunofluorescent microscopy assays is that:
a. extensive training is not necessary. b. it serves as an excellent way to preserve the reaction for referral and archiving. c. visual assessment of the adequacy of a specimen is possible. d. fluorescent microscopes are easily ac-cessible to most laboratories.
A salt will dissolve in water to form
a. acids. b. hydrogen bonds. c. ions other than H+ and OH?. d. bases. e. buffers
What does an ABC transporter use to transport larger ions and molecules across the cell membrane?
a. ATP b. water c. porins d. signals e. tunnels
During which phase would penicillin, an antibiotic that inhibits cell-wall synthesis, be most effective?
A. death phase B. lag phase C. log phase D. stationary phase