Microarrays are useful for assessing
A) gene expression.
B) enzyme activity.
C) the presence of specific rRNA sequences.
D) gene expression and the presence of specific rRNA sequences.
Answer: D
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Arteries are distinguished from veins based on all of the following features except the
A) direction of blood flow relative to the heart. B) structure of their walls. C) amount of oxygen present in the blood. D) blood pressure pushing against the walls of the vessels.
Organisms belonging to the Bacteria branch of the Tree of Life can demonstrate which of the following processes? (Select all correct choices.)
A. anoxygenic photosynthesis B. oxygenic photosynthesis C. anaerobic respiration D. aerobic respiration E. fermentation
Four of the five examples listed below illustrate
mutualism. Select the exception. a. plants and pollinators b. plants and seed dispersal by seed-eating animals c. mycorrhizae d. antibiotics e. lichen
Which of the following statements is true of asexual reproduction?
A.) It produces few offspring. B.) It produces genetically identical offspring. C.) It produces genetic diversity. D.) It produces offspring that are resistant to antibiotics.