Pathogenic and toxic forms of Croynebacterium diphtheriae develop from nontoxic Croynebacterium diphtheriae by a process of
A. Mutation
B. Transduction
C. Transformation
D. Conjugation
Answer: B. Transduction
Biology & Microbiology
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Which process is a specialized function carried out by epithelial tissue?
a. exchange of gases b. production of hormones c. regulation of heart rate d. facilitation of muscle contraction e. insulation of nerve fibers
Biology & Microbiology
The feeding biology of sponges is referred to as:
a. grazing. b. filter feeding. c. carnivory. d. deposit feeding. e. omnivory
Biology & Microbiology
Energy that is not converted to useful energy is usually given off as
A) radioactivity. B) light. C) electricity. D) heat. E) entropy.
Biology & Microbiology
The enzymes responsible for hydrolyzing glucose into glyceraldehyde-3-phosphate (G3P) are found in which part of
the cell?
a. cytosol b. mitochondria c. rough ER d. nucleus e. cell membrane
Biology & Microbiology