DNA and RNA
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Questions and Answers

Which of the following is a difference between DNA and RNA?

  • DNA is found in the nucleus, while RNA is found in the cytoplasm
  • DNA is double-stranded, while RNA is single-stranded
  • DNA is involved in protein synthesis, while RNA is involved in genetic storage
  • DNA contains thymine, while RNA contains uracil (correct)

What is the location of DNA in prokaryotes?

  • In the cytoplasm (correct)
  • In the mitochondria
  • In the cell membrane
  • In the nucleus

What is semiconservative replication?

  • The process of DNA replication where each new DNA molecule consists of two newly synthesized strands
  • The process of copying RNA to create a complementary DNA strand
  • The process of copying DNA to create a complementary RNA strand
  • The process of DNA replication where each new DNA molecule consists of one original strand and one newly synthesized strand (correct)

What is the function of the 5’-Cap and 3’-Poly-A tail?

<p>To promote gene expression (C)</p> Signup and view all the answers

What is the difference between transcription and translation?

<p>Transcription is the synthesis of RNA from a DNA template, while translation is the synthesis of protein from an RNA template (A)</p> Signup and view all the answers

Flashcards

DNA vs. RNA - Base Difference

DNA uses thymine (T) as a base, while RNA utilizes uracil (U) instead.

Where is DNA in Prokaryotes?

In prokaryotes, DNA is situated directly within the cytoplasm, not enclosed within a nucleus.

What is semiconservative replication?

The process by which DNA replicates, creating two new DNA molecules each containing one original strand and one newly synthesized strand.

5'-Cap and 3'-Poly-A Tail

These modifications at the ends of mRNA molecules help regulate gene expression, enhancing the stability and translation of the messenger RNA.

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Transcription vs. Translation - Key Difference

Transcription is the synthesis of RNA from a DNA template, while translation is the synthesis of protein from an RNA template.

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