A newly sequenced gene is cloned and expressed in a bacterial cell. The bioinformatics databases suggest that this gene produces an enzyme that catalyzes the conversion of carbon dioxide to bicarbonate. After weeks of experiments, a scientist determined
the enzyme has a completely different function. This is an example of ________.
A) incorrect qPCR
B) incorrect enzyme experiments
C) incorrect annotation
D) incorrect sequencing
E) incorrect BLAST parameters
Answer: C
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The release of factors by cells that influence the activity of nearby cells is referred to as:
A. autocrine signaling. B. paracrine signaling. C. pheromonal signaling. D. electrical signaling. E. endocrine signaling.
What happens to a lizard's metabolic rate when the temperature increases 10°C?
A) The metabolic rate stays constant. B) The metabolic rate approximately doubles. C) The metabolic rate approximately triples. D) The metabolic rate approximately quadruples.
Which of the following statements is TRUE?
A) The style, which is vase-shaped, contains the ovary, stigma, and anther. B) When mature, the carpel will become the seed and the anther will become the fruit. C) When mature, the ovules will become seeds and the ovary will develop into a fruit. D) The filament and anther enclose the stigma and style. E) When mature, the stamen will become the seed and the stigma will become the fruit.
Viruses belong to the Domain Archaea.
a. true b. false