A sequence of bases within a gene that will be transcribed, but removed from the transcript prior to translation is a/an
A. intron.
B. operator.
C. promoter.
D. operon.
E. exon.
Answer: A
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What phyla of animals has the greatest number of species?
A. Arthropoda. B. Chordata. C. Mollusca. D. Annelida. E. Nematoda.
From what feature are jaws through to have
evolved? a. pharynx b. vertebrae c. legs d. arms e. gill arches
Being born with extra fingers on a hand is called polydactyly. This is more common in some populations in North America than others due to ________.
A. random mating with other populations in North America B. natural selection in favor of extra fingers in these populations C. a founder effect because their ancestors from Europe carried the alleles D. migration of people with multiple fingers out of the population E. an increase in mutation rate in these populations
The number of proteins in humans
A) is approximately equal to the number of genes. B) is less than half the number of genes. C) is much greater than the number of genes.