Which of the following structures is NOT found in an endospore?

A. Coat
B. Exosporium
C. Capsule
D. Core


Answer: C

Biology & Microbiology

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_____ corrects the genetic defect in an individual with a genetic disorder by _____

a. Enzyme replacement therapy; delivery of a normal gene to affected cells in the body b. PGD; removing affected cells from an early stage embryo c. Gene therapy; PGD d. Gene therapy; delivery of a normal gene to affected cells in the body e. Chorionic villus sampling; constructing karyotypes from affected cells

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Which of the following is a product of lactic acid fermentation?

a. yeast b. ATP c. alcohol d. water

Biology & Microbiology

Omega-3 fatty acids increase LDL levels

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

The lactose analog isopropyl-beta-D-thio-galactoside (IPTG) is often used to regulate gene expression systems in bacteria. IPTG does not act as a substrate for beta-galactosidase but can bind to, and inactivate, the repressor. In this case, IPTG serves as a(n)

A. DNA-binding protein. B. repressor. C. inducer. D. operon.

Biology & Microbiology