Which of the following is an anaerobic pathway?

a. chemiosmosis
b. fermentation
c. citric acid cycle
d. aerobic respiration
e. electron transport chain


b

Biology & Microbiology

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Most people with the dominant mutant polydactyly allele have extra digits, but at least 25% have the normal number of digits. What is the genetic explanation for this observation?

A) dominant negative allele B) temperature-sensitive allele C) lethal allele D) partial dominance E) incomplete penetrance

Biology & Microbiology

Choose the statement that is TRUE.

a. Fat absorption from lumen to blood occurs completely by diffusion. b. Peristalsis of the stomach requires coordination of multiple motor neurons from the spinal cord. c. Histamine inhibits acid secretion by the stomach. d. Most digestive enzymes are produced by the pancreas.

Biology & Microbiology

Aseptic means

A) sterile. B) free of all microbes. C) clean. D) sanitized. E) free of pathogens.

Biology & Microbiology

Yersinia pestis

A. was virulent in the Middle Ages but is no longer virulent. B. has humans as an endemic reservoir. C. does not respond to antimicrobic drugs. D. is usually transmitted by a flea vector. E. All of the choices are correct.

Biology & Microbiology