Skip to ContentGo to accessibility pageKeyboard shortcuts menu
OpenStax Logo
Concepts of Biology

Review Questions

Concepts of BiologyReview Questions
2.

Which of the following does cytosine pair with?

  1. guanine
  2. thymine
  3. adenine
  4. a pyrimidine
3.

Prokaryotes contain a ________chromosome, and eukaryotes contain ________ chromosomes.

  1. single-stranded circular; single-stranded linear
  2. single-stranded linear; single-stranded circular
  3. double-stranded circular; double-stranded linear
  4. double-stranded linear; double-stranded circular
4.

DNA replicates by which of the following models?

  1. conservative
  2. semiconservative
  3. dispersive
  4. none of the above
5.

The initial mechanism for repairing nucleotide errors in DNA is ________.

  1. mismatch repair
  2. DNA polymerase proofreading
  3. nucleotide excision repair
  4. thymine dimers
6.

A promoter is ________.

  1. a specific sequence of DNA nucleotides
  2. a specific sequence of RNA nucleotides
  3. a protein that binds to DNA
  4. an enzyme that synthesizes RNA
7.

Portions of eukaryotic mRNA sequence that are removed during RNA processing are ________.

  1. exons
  2. caps
  3. poly-A tails
  4. introns
8.

The RNA components of ribosomes are synthesized in the ________.

  1. cytoplasm
  2. nucleus
  3. nucleolus
  4. endoplasmic reticulum
9.

How long would the peptide be that is translated from this MRNA sequence: 5'-AUGGGCUACCGA-3'?

  1. 0
  2. 2
  3. 3
  4. 4
10.

Control of gene expression in eukaryotic cells occurs at which level(s)?

  1. only the transcriptional level
  2. epigenetic and transcriptional levels
  3. epigenetic, transcriptional, and translational levels
  4. epigenetic, transcriptional, post-transcriptional, translational, and post-translational levels
11.

Post-translational control refers to:

  1. regulation of gene expression after transcription
  2. regulation of gene expression after translation
  3. control of epigenetic activation
  4. period between transcription and translation
PreviousNext
Order a print copy

As an Amazon Associate we earn from qualifying purchases.

Citation/Attribution

This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's permission.

Want to cite, share, or modify this book? This book uses the Creative Commons Attribution License and you must attribute OpenStax.

Attribution information
  • If you are redistributing all or part of this book in a print format, then you must include on every physical page the following attribution:
    Access for free at https://openstax.org/books/concepts-biology/pages/1-introduction
  • If you are redistributing all or part of this book in a digital format, then you must include on every digital page view the following attribution:
    Access for free at https://openstax.org/books/concepts-biology/pages/1-introduction
Citation information

© Jan 8, 2024 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.