Molecular Genetics Study Guide Quiz

How many strands does DNA have according to the Molecular Genetics Study Guide?

• 1

• 2

• 3

• 4

Which sugar is found in DNA?

• Glucose

• Fructose

• Deoxyribose

• Ribose

What are the base pairing rules for DNA as per the study guide?

• AU, CG

• AT, CG

• GC, TA

• UA, GC

Which enzyme is responsible for adding nucleotides and proofreading during DNA replication?

• Helicase

• DNA polymerase

• Ligase

• RNA polymerase

What does "semiconservative" mean in the context of DNA replication?

• Each DNA molecule is copied into two new molecules.

• Each DNA molecule consists of one original and one new strand.

• Each DNA molecule is conserved without any changes.

• Each DNA molecule is completely new without any original strand.

During which phase of the cell cycle does DNA replication occur?

• G1-phase

• S-phase

• M-phase

• G2-phase

What is the function of ligase in DNA replication?

• It separates DNA strands.

• It adds nucleotides and proofreads.

• It links new pieces of DNA.

• It synthesizes RNA primers.

Identify the three parts of a nucleotide as labeled in the study guide.

• Sugar, phosphate, amino acid

• Sugar, phosphate, nucleotide

• Sugar, phosphate, nitrogenous base

• Sugar, base, ribose

What is the first step of protein synthesis called?

• Translation

• Transcription

• Replication

• Mutation

Where does transcription take place in the cell?

• Cytoplasm

• Ribosome

• Nucleus

• Mitochondria