Which of the following steps are crucial for the success of a nucleic acid amplification test, such as PCR?
a. Nucleic acid purification
b. Fluorescent resonance energy transfer (FRET)
c. Melting temperature analysis
d. Nucleic acid sequencing
A
Nucleic acids (DNA or RNA) serve as the template molecules for PCR, and therefore must be purified and included in the reaction to ensure success of the PCR.
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Today, there are at least ____ living plant species, which collectively make up the Kingdom Plantae
a. 18,000 b. 120,000 c. 280,000 d. 1,200,000 e. 2,800,000
The interaction in which one species benefits and the second species is neither harmed nor benefited is ____
a. mutualism b. parasitism c. commensalism d. competition e. predation
Arabinose sugar is used by ara+ bacteria but cannot be used by ara– mutants. When both ara3 and ara5 mutants are introduced into the same recipient via a vector, and the recipients still cannot use arabinose, what can you conclude?
What will be an ideal response?
Which of the following is required for transposition?
A. F+ plasmid B. bacteriophage C. inverted repeat D. donor cell E. competence