BIO 102: Unit 3 Exam Study Guide: Specialized Cells & Cell Signaling
12 Questions
0 Views
3.7 Stars

BIO 102: Unit 3 Exam Study Guide: Specialized Cells & Cell Signaling

Prepare for the BIO 102 Unit 3 exam on Specialized Cells and Cell Signaling covering topics such as cell division, the cell cycle, and the molecular basis of inheritance. Study guide includes an overview and key learning objectives. Exam format includes 40 multiple choice questions and 2 short answer questions.

Created by
@BlitheDobro

Questions and Answers

What is the primary function of DNA?

To dictate the synthesis of messenger RNA (mRNA)

Which nitrogenous base is found only in DNA?

Thymine

What are the two families of nitrogenous bases?

Pyrimidines and purines

Which type of nucleic acid is responsible for protein production in the cytoplasm?

<p>mRNA</p> Signup and view all the answers

Which nucleotide component includes a five-carbon sugar?

<p>Apentose</p> Signup and view all the answers

What is the function of RNA in protein synthesis?

<p>Creating proteins via translation</p> Signup and view all the answers

What is the function of Primase at a replication fork?

<p>Synthesizes RNA primers</p> Signup and view all the answers

When do cells typically exit the cell cycle to enter a nondividing state?

<p>G1 phase</p> Signup and view all the answers

What is the main difference between the leading and lagging strands during DNA replication?

<p>Lagging strand replicates continuously</p> Signup and view all the answers

Which protein is responsible for stabilizing the unwound parental DNA strands during replication?

<p><strong>Single-strand binding</strong></p> Signup and view all the answers

What is the main function of Topoisomerase at a replication fork?

<p>Breaks and rejoins the parental DNA</p> Signup and view all the answers

In which phase do cells prevent entry into mitosis when DNA damage is detected?

<p><strong>G2 phase</strong></p> Signup and view all the answers

Use Quizgecko on...
Browser
Browser