PCR uses two components: ____________________ that serve as templates and primers that bind to regions on either side of the template to be copied
a. yeast artificial chromosomes
b. tRNA that has been cut by restriction enzymes
c. mRNA that has been cut by restriction enzymes
d. double strands of DNA
e. single strands of DNA
e
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A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria,with a generation time of 30 minutes,
sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample? A. 10,000 B. 64,000 C. 100,000 D. 320,000
Skin color in a certain species of fish is inherited via a single gene with four different alleles. One fish of this type has alleles 1 and 3 (S1S3 ) and its mate has alleles 2 and 4 (S2S4 )
If each allele confers a unit of color darkness such that S1 has one unit, S2 has two units, and so on, then what proportion of their offspring would be expected to have five units of color? A) 1/4 B) 1/8 C) 1/2 D) 0
Unlike the five kingdom system of classification, the six kingdom breaks ___ into two groups
Fill in the blank(s) with the appropriate word(s).
Blooms of certain dinoflagellates are associated with all of the following exceptÂ
A. Pfiesteria piscicida. B. euglenids. C. ciguatera. D. paralytic shellfish poisoning. E. red tides.