12 Questions
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?
mRNA
Which nucleotide component includes a five-carbon sugar?
Apentose
What is the function of RNA in protein synthesis?
Creating proteins via translation
What is the function of Primase at a replication fork?
Synthesizes RNA primers
When do cells typically exit the cell cycle to enter a nondividing state?
G1 phase
What is the main difference between the leading and lagging strands during DNA replication?
Lagging strand replicates continuously
Which protein is responsible for stabilizing the unwound parental DNA strands during replication?
Single-strand binding
What is the main function of Topoisomerase at a replication fork?
Breaks and rejoins the parental DNA
In which phase do cells prevent entry into mitosis when DNA damage is detected?
G2 phase
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.
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