In humans the pharyngeal slits mostly disappear during development, except for one pair that in the adults forms:

A. a cleft palate
B. the Eustachian tubes
C. the thyroid gland
D. the glottis
E. the opening to the voice box


B. the Eustachian tubes

Biology & Microbiology

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If a DNA template strand has a sequence of 3? TACAATGTAGCC 5?, the RNA produced from it will be which sequence?

A. 3?TACAATGTAGCC5? B. 5?ATGTTACATCGG3? C. 5?AUGUUACAUCGG3' D. 3?AUGUUACAUCGG5? E. 3?ATGTTACATCGG5?

Biology & Microbiology

Which of the following represents a gamete with a dominant allele?

A. bb B. b C. AA D. Aa E. A

Biology & Microbiology

The storage granules of cytotoxic T cells contain enzymes that stimulate apoptosis in target cells. These enzymes are specifically called _________

Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Several snake species that are harmless have very similar color patterns to the venomous coral snake. This is best described as an example of what?

A. crypsis B. Müllerian mimicry C. aposematic coloration D. Batesian mimicry E. intimidation

Biology & Microbiology