What process allows sister chromatids to exchange alleles?

a. meiosis
b. DNA transcription
c. homologous recombination
d. independent assortment


c. homologous recombination

Biology & Microbiology

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________ is a bacterial plasmid vector.

A. Lambda B. T4 DNA ligase C. SV40 D. pUC19

Biology & Microbiology

In standardized DNA fingerprinting used in the United States,

a. 13 different noncoding loci are examined. b. 13 different coding loci are examined. c. only loci with short tandem repeats are tested; the number varies with individuals. d. the loci with long tandem repeats are tested; the number varies with individuals. e. the sequence of short tandem repeats is determined.

Biology & Microbiology

For sperm to be able to penetrate the zona pellucida of the egg, enzymes are released from the ________

Fill in the blank(s) with correct word

Biology & Microbiology

What trait distinguishes semiperishable foods such as potatoes and nuts from perishable foods such as meats?

a. carbohydrate/sugar content b. natural microbial flora content c. salt content d. water activity/moisture content

Biology & Microbiology