Four of the five answers listed below are bases used to construct nucleic acids. Select the exception

a. cytosine
b. adenine
c. thymine
d. guanine
e. phenylalanine


E

Biology & Microbiology

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In the following pedigree, the indicated trait is most likely caused by which type of allele?



A) autosomal recessive
B) autosomal dominant
C) X-linked recessive
D) X-linked dominant
E) Y-linked

Biology & Microbiology

Mina had a throat infection; in a few days it had spread to her ear. What part of her ear would be affected first?

A) external auditory canal B) pinna C) inner ear D) middle ear

Biology & Microbiology

________ is an active form of the protein that stimulates the adrenal gland to release aldosterone

Fill in the blank(s) with correct word

Biology & Microbiology

Muscular contraction moves food through the alimentary canal by a process called ________

A) propulsion B) active transport C) peristalsis D) swallowing

Biology & Microbiology