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

Review Questions

Concepts of BiologyReview Questions

2.

A diploid cell has ________ the number of chromosomes as a haploid cell.

  1. one-fourth
  2. one-half
  3. twice
  4. four times
3.

An organism’s traits are determined by the specific combination of inherited ________.

  1. cells
  2. genes
  3. proteins
  4. chromatids
4.

Chromosomes are duplicated during what portion of the cell cycle?

  1. G1 phase
  2. S phase
  3. prophase
  4. prometaphase
5.

Separation of the sister chromatids is a characteristic of which stage of mitosis?

  1. prometaphase
  2. metaphase
  3. anaphase
  4. telophase
6.

The individual chromosomes become visible with a light microscope during which stage of mitosis?

  1. prophase
  2. prometaphase
  3. metaphase
  4. anaphase
7.

What is necessary for a cell to pass the G2 checkpoint?

  1. cell has reached a sufficient size
  2. an adequate stockpile of nucleotides
  3. accurate and complete DNA replication
  4. proper attachment of mitotic spindle fibers to kinetochores
8.

________ are changes to the nucleotides in a segment of DNA that codes for a protein.

  1. Proto-oncogenes
  2. Tumor suppressor genes
  3. Gene mutations
  4. Negative regulators
9.

A gene that codes for a positive cell cycle regulator is called a(n) ________.

  1. kinase inhibitor
  2. tumor suppressor gene
  3. proto-oncogene
  4. oncogene
10.

Which eukaryotic cell-cycle event is missing in binary fission?

  1. cell growth
  2. DNA duplication
  3. mitosis
  4. cytokinesis
11.

FtsZ proteins direct the formation of a ________ that will eventually form the new cell walls of the daughter cells.

  1. contractile ring
  2. cell plate
  3. cytoskeleton
  4. septum
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

© Sep 19, 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.