A research laboratory is attempting to collect the content of human red blood cells. The type of solution researchers should use to cause blood cells to lyse (burst) would be
A. hyperosmotic.
B. isosmotic.
C. hypoosmotic.
D. osmotic.
C
Biology & Microbiology
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A common direct consumer of eelgrass (Zostera) is:
a. snails. b. waterfowl. c. sea cucumbers. d. manatees. e. sea stars.
Biology & Microbiology
Which of the following DNA strands is complementary to the DNA sequence 5'–ATCGTACG–3'?
A. 5'–ATGCATGC–3' B. 5'–TAGCTAGC–3' C. 3'–ATGCATGC–5' D. 3'–TAGCATGC–5' E. 3'–CGTACGTA–5'
Biology & Microbiology
According to the figure, which species is considered a pioneer species?
A) Ulva spp. B) Gigartina canaliculata C) Gigartina coulteri D) Gigartina leptorhynchos
Biology & Microbiology
At which stage of meiosis are sister chromatids separated from each other?
a) anaphase II b) prophase I c) prophase II d) anaphase I
Biology & Microbiology