The primers in PCR are

a. fragments of mRNA.
b. designed to base pair with mRNA.
c. free nucleotides.
d. radioactive.
e. none of these


E

Biology & Microbiology

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AMP is the primary energy and phosphate source in coupled reactions

Indicate whether the statement is true or false.

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Four of the five animals listed below can harbor E. coli 0157:H7 without becoming ill. Select the exception

a. goats b. cattle c. deer d. sheep e. humans

Biology & Microbiology

Transcriptional control-proteins increase the rate of transcription by binding to

A. promoter sequences within the DNA. B. operator sequences within the DNA. C. enhancer sequences within the DNA. D. tRNA sequences within the DNA. E. mRNA sequences within the DNA.

Biology & Microbiology

Which of the following pairs has the most similar chemical properties to each other?

A) 12C and 14C B) 1H and 22Na C) 1H and 2He D) 12C and 28Si E) 16O and 32S

Biology & Microbiology