A small amount of DNA is collected from a crime scene. However, the amount of DNA collected is insufficient to perform the necessary experiments to link a suspect to the crime. Which method could be utilized to increase the amount of DNA?

A. polymerase chain reaction (PCR).
B. DNA sequencing.
C. fluorescent labeling of DNA.
D. microarray analysis.
E. gel electrophoresis.


A. polymerase chain reaction (PCR).

Biology & Microbiology

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A regulon always includes at least two operons

Indicate whether the statement is true or false.

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In the human menstrual cycle, which hormone is secreted by the hypothalamus?

1.estrogen 2.gonadotropin-releasing hormone 3.follicle-stimulating hormone 4.luteinizing hormone

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In mapping the HD gene associated with Huntington disease, eventually researchers narrowed down their hunt to four candidate genes within the mapped region. How did they identify one of these as the definitive HD gene?

What will be an ideal response?

Biology & Microbiology

When a protein is synthesized, cis- or trans-splicing of that protein occurs ________.

A. during transcription B. prior to transcription C. between transcription and translation D. following translation

Biology & Microbiology