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Darkflower73 Darkflower73
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6 years ago
In Bacteria, a chromosome can be distinguished from a plasmid, because a chromosome is a genetic element that
 
  A) is circular.
  B) is linear.
  C) encodes for essential functional genes.
  D) replicates via a bidirectional fork.


The two strands of the DNA double helix are held together by
 
  A) 5' to 3' attraction.
  B) hydrogen bonds between nucleotide bases.
  C) codons.
  D) peptide bonds between nucleotide bases.


The flow of biological information begins with
 
  A) DNA replication.
  B) RNA transcription.
  C) mRNA translation.
  D) transcriptional regulation.


Transcription of chaperonins is greatly accelerated when a cell is stressed by
 
  A) excessive osmotic pressure.
  B) extremes in pH value.
  C) lack of oxygen.
  D) excessive heat.


DNA participates in protein synthesis through
 
  A) cyclic messengers.
  B) direct pairing with amino acids.
  C) an RNA intermediate.
  D) protein folding.
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ajbatisteajbatiste
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Darkflower73 Author
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6 years ago
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