DNA fingerprints, such as those first used by Alec Jeffries, reveal variations in _____ between different individuals
a. blood type
b. cancer-causing mutations
c. transgenes
d. the locations of restriction enzyme recognition sites
e. STR alleles
d
Biology & Microbiology
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Boa constrictors on an island are an example of a(n) ______.
A. cell B. organ C. organism D. population E. ecosystem
Biology & Microbiology
Which lineage of Echinoderms is made up of about 600 living species of sea lilies and feather stars?
a. Asteroidea b. Crinoidea c. Holothuroidea d. Ophiuroidea
Biology & Microbiology
Synthetic auxin can be used as a(n) ____.
A. pesticide B. herbicide C. fungicide D. insecticide E. bactericide
Biology & Microbiology
Which of these is a type of prokaryotic cell?
A. a mushroom cell B. a plant cell C. a worm cell D. a bacterial cell
Biology & Microbiology