An individual that is homozygous for an allele will produce two bands on an electrophoresis gel. (A homozygous individual only produces one kind of protein for a trait so will only produce one band on a gel electrophoresis.)

A. true
B. false


B

Biology & Microbiology

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A gram-positive bacillus identified as Lactobacillus is isolated in large quantities from the urine of a 16-year-old female. Based on this information, the patient should receive which antibiotic?

a. Penicillin b. Tetracycline c. Vancomycin d. No antibiotics should be administered.

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Would drinking a gallon of tap water, a gallon of sea water, or a gallon of beer produce the most urine? Which would

produce the least urine? Why?

What will be an ideal response?

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Which of the following is a shell-less mollusk?

A. a nudibranch B. a scallop C. a pulmonate gastropod D. a chiton E. a squid

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The type of tissue forming the covering around muscle fibers is:

a. epithelial tissue. b. connective tissue. c. nervous tissue. d. specialized muscle tissue. e. synovial fluid

Biology & Microbiology