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Honors Biology DNA Questions and Answers Rated A+

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Honors Biology DNA Questions and Answers Rated A+ What is the role of RNA in relation to DNA? RNA acts as a messenger, carrying genetic instructions from DNA to the ribosomes for protein synthesis. What is the purpose of DNA sequencing? DNA sequencing determines the exact order of n...

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  • September 15, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • Honors Biology DNA
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Honors Biology DNA Questions and
Answers Rated A+

What is the role of RNA in relation to DNA?


✔✔ RNA acts as a messenger, carrying genetic instructions from DNA to the ribosomes for

protein synthesis.




What is the purpose of DNA sequencing?


✔✔ DNA sequencing determines the exact order of nucleotides in a DNA molecule, allowing for

genetic analysis and research.




How does DNA differ between individuals of the same species?


✔✔ DNA differs in the sequence of its bases, leading to genetic variation and individuality

among organisms of the same species.




What is the function of introns and exons in DNA?


✔✔ Introns are non-coding regions that are removed during RNA processing, while exons are

coding regions that are expressed in proteins.




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, How does DNA methylation affect gene expression?


✔✔ DNA methylation typically represses gene expression by adding methyl groups to DNA,

preventing transcription.




What is the significance of the central dogma of molecular biology?


✔✔ The central dogma describes the flow of genetic information from DNA to RNA to protein,

outlining the process of gene expression.




How do mutations in DNA impact proteins?


✔✔ Mutations can alter the amino acid sequence of proteins, potentially affecting their structure

and function.




What is the difference between a genotype and a phenotype?


✔✔ A genotype is the genetic makeup of an organism, while a phenotype is the observable

physical traits resulting from the interaction of the genotype and environment.




What are plasmids, and how are they used in genetic engineering?


✔✔ Plasmids are small, circular DNA molecules in bacteria used to transfer genetic material

during genetic engineering experiments.

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