A Malpighian tubule is a(n) ____
a. rasping tongue with chitinous teeth
b. muscular sac used for extending tube feet in echinoderms
c. filamentous projection of the mantle
d. specialized tube in some arthropods used for waste processing
e. abdominal appendage in some arthropods that secretes silk
ANSWER: d
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In an mRNA transcript, the 3' UTR refers to the region of the mRNA that is ____
a. upstream from the start codon b. upstream from the site for initiation of transcription c. downstream from the stop codon d. the coding region e. downstream from the site for termination of transcription
Which vertebrate body system is most closely associated functionally with respiration?
a. urinary b. digestive c. endocrine d. circulatory e. integumentary
produces sodium bicarbonate to neutralize stomach acid, produce enzymes to break down all types of food
What will be an ideal response?
On what basis does forensic biotechnology distinguish one individual from another?
A) A small tandem repeat in one person will be in a different location in the genome of another person. B) Different people will have completely different genomes. C) Different people will have a different number of tandem repeats at the same location in their genomes. D) Different people will have different mutations in their short tandem repeats.