COPY: Biology Chapter on DNA Structure and Function

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Questions and Answers

What is produced during DNA replication for a DNA strand with bases C-T-A-G-G-T?

  • G-A-U-C-C-A
  • A-G-C-T-T-G
  • G-A-T-C-C-A (correct)
  • T-C-G-A-A-C

What is the primary function of mRNA in the cell?

  • Transfers specific amino acid molecules to the ribosome
  • Blueprint of life
  • Carries a message from the nucleus to the ribosomes (correct)
  • Makes up the cell structures and enzymes

Which of the following nitrogenous bases is found in mRNA?

  • Thymine
  • Adenine (correct)
  • Cytosine (correct)
  • Uracil (correct)

How many DNA strands are typically created as a result of one DNA replication process?

<p>2 (D)</p> Signup and view all the answers

Which of the following is NOT a characteristic of DNA replication?

<p>It produces single-stranded DNA (D)</p> Signup and view all the answers

What is the primary function of transcription?

<p>To produce complementary mRNA from a DNA template (B)</p> Signup and view all the answers

Which of the following correctly represents a base pairing in RNA during transcription?

<p>Adenine pairs with Uracil (B)</p> Signup and view all the answers

Given the DNA sequence A-A-C-C-T, what will the corresponding mRNA sequence be after transcription?

<p>U-U-G-G-A (B)</p> Signup and view all the answers

Rosalind Franklin contributed to the discovery of the structure of DNA through her use of _________ __________.

<p>X-ray photography (B)</p> Signup and view all the answers

Which of the following describes DNA?

<p>Blueprint of life (C)</p> Signup and view all the answers

The DNA molecule is built out of monomers called _____________.

<p>Nucleotides (C)</p> Signup and view all the answers

Each DNA nucleotide is composed of what three parts?

<p>deoxyribose, phosphoric acid, and a nitrogenous base (C)</p> Signup and view all the answers

Which nitrogenous base pairs with Adenine in DNA structure?

<p>Thymine (D)</p> Signup and view all the answers

Which enzyme is responsible for unzipping DNA during replication?

<p>DNA Primase (A)</p> Signup and view all the answers

What term describes agents that cause DNA mutations?

<p>Mutagens (C)</p> Signup and view all the answers

What do biologists utilize DNA to determine?

<p>The evolutionary relationships between species (A)</p> Signup and view all the answers

What type of structural configuration does DNA exhibit?

<p>Double helix (A)</p> Signup and view all the answers

Which type of gene mutation is a change in the singe base pair "A" to "G"

<p>Substitution (A)</p> Signup and view all the answers

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