What is the order of the three main steps in a PCR?

A) denaturation, annealing primers, elongation B) denaturation, elongation, annealing primers
C) annealing primers, denaturation, elongation D) elongation, annealing primers, denaturation


Answer: A

Biology & Microbiology

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During conjugation, one strand of the F factor DNA remains in the donor cell and one strand is transferred to the recipient cell

Indicate whether the statement is true or false

Biology & Microbiology

Movement of a molecule against a concentration gradient occurs in:

a. simple diffusion b. facilitated diffusion c. osmosis d. active transport e. passive transport

Biology & Microbiology

Which species is considered to be the most ancient?

a. Homo erectus b. Australopithecus afarensis c. Australopithecus sediba d. Homo sapiens e. Sahelanthropus tchadensis

Biology & Microbiology

Anaerobic breakdown of glucose that results in a gain of two ATP and end products such as alcohol and lactate; occurs in the cytoplasm of cells.

What will be an ideal response?

Biology & Microbiology