What is the temperature used for the extension step?

a. 72 °C
b. 60 °C
c. 94 °C


Answer: a. 72 °C

Biology & Microbiology

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Which of the following characteristics are unique to eukaryotes (i.e., do not occur in either archaea or bacteria)? (Select all correct choices.)

A. the presence of introns in most genes (non -coding stretches of DNA) B. the presence of exons in most genes (coding stretches of DNA) C. the presence of chlorophyll D. the presence of nuclei

Biology & Microbiology

What is required for facilitated transport to function properly?

a. ATP b. glucose c. glycolipids d. transport protein

Biology & Microbiology

Mutations at intron-exon splice sites in DNA can lead to a(n) _____

a. short or truncated protein b. protein that has a change in polarity c. change in hydrophobicity d. unspliced mRNA e. mRNA that cannot be translated

Biology & Microbiology

Populations inhabiting favorable environments at low population densities typically experience ________ population growth, resulting in a continuously accelerating rate of population increase

Fill in the blank(s) with correct word

Biology & Microbiology