What does it mean to align DNA sequences?

A. Place DNA sequences such that nucleotides are in the same relative position.
B. Pair all of the same nucleotides together.
C. To reconstruct a piece of DNA from multiple smaller sequences.
D. To generate a complement of a DNA sequence.


Ans: A. Place DNA sequences such that nucleotides are in the same relative position.

Biology & Microbiology

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Reductive dechlorination is a process in which

A) the number of chlorine atoms present is reduced by oxygenase enzymes. B) chlorinated organics are used as terminal electron acceptors in anaerobic respiration. C) carbon dioxide is the final end product. D) xenobiotics are cometabolized with other reductive reactions.

Biology & Microbiology

A heterodimer occurs when two identical transcription factors interact on a sequence of DNA

Indicate whether the statement is true or false

Biology & Microbiology

Trace elements dissolved in seawater are present in concentrations less than one part per thousand

Indicate whether the statement is true or false

Biology & Microbiology

What is the structure labeled B in the accompanying figure?

a. cytoplasm b. nucleoid c. plasma membrane d. capsule e. pilus

Biology & Microbiology