The greater the polyglutamine expansion in the huntingtin gene (greater than 35 CAG trinucleotide repeats), the greater

the chance for developing Huntington disease.
a. True
b. False


True

Biology & Microbiology

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Polyploid species are least common in

a. flowering plants. b. mollusks. c. insects. d. conifers. e. mammals.

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Phagocytosis is a form of ____

a. diffusion b. endocytosis c. exocytosis d. osmosis e. facilitated diffusion

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Given that mass loss is expressed as a negative exponential function (original mass remaining = e-kt), how much mass would be left after 20 weeks given a decomposition coefficient k = 0.0167 in units of proportion mass loss per week?

A) 0.203 B) 0.716 C) 0.916 D) 1.390

Biology & Microbiology

What is the sequence of events in a typical eukaryotic cell cycle?

A. G1 to S to G2 to cytokinesis to mitosis B. S to G1 to G2 to mitosis to cytokinesis C. G1 to G2 to mitosis to S to cytokinesis D. G1 to S to G2 to mitosis to cytokinesis E. G1 to G2 to S to mitosis to cytokinesis

Biology & Microbiology