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BIO NMDCAT Structure of DNA
nmdcat.online July 3, 2026

60. The existence of non-coding sequences like promoters, enhancers, and silencers within or near a gene shows that a gene contains

A. Only structural information for making lipids
B. Both coding sequences and regulatory regions that control expression
✓
C. Random junk sequences without any biological role
D. Templates for copying mitochondrial membranes

📝 Explanation

A gene includes its structural coding sequence alongside the regulatory elements required to turn its expression on or off.

📖 Additional Information

  • Only structural information for making lipids
  • Both coding sequences and regulatory regions that control expression
  • Random junk sequences without any biological role
  • Templates for copying mitochondrial membranes

A gene includes its structural coding sequence alongside the regulatory elements required to turn its expression on or off.

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59. The specific enzyme that uses a single strand of a gene as a template to catalyze the polymerization of a matching RNA strand is

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