Week 1

Which of the following is NOT a component of a nucleotide?

• Sugar

• Phosphate group

• Amino acid

• Nitrogenous base

What is the primary function of DNA in a cell?

• Protein synthesis

• Energy production

• Genetic information storage

• Cell signaling

Tags

NGSS.HS-LS3-1

Which of the following best describes the structure of DNA?

• Single-stranded helix

• Double-stranded helix

• Triple-stranded helix

• Circular structure

What is the process by which DNA is copied to produce two identical DNA molecules?

• Transcription

• Translation

• Replication

• Mutation

Which of the following nitrogenous bases is found in RNA but not in DNA?

• Adenine

• Guanine

• Cytosine

• Uracil

What is the central dogma of molecular biology?

• DNA -> RNA -> Protein

• RNA -> DNA -> Protein

• Protein -> DNA -> RNA

• Protein -> RNA -> DNA

Tags

NGSS.HS-LS1-1

Which of the following is the primary site of protein synthesis in a cell?

• Nucleus

• Ribosome

• Mitochondria

• Endoplasmic reticulum

The role of messenger RNA (mRNA) in protein synthesis is to:

• carry amino acids to the ribosome

• serve as a template for protein synthesis

• form the structure of ribosomes

• catalyze the formation of peptide bonds

Which of the following carries genetic information from DNA to ribosomes?

• Carries genetic information from DNA to ribosomes

• Brings amino acids to ribosomes during translation

• Forms the structural component of ribosomes

• Catalyzes the formation of peptide bonds

Which of the following enzymes is responsible for synthesizing RNA from a DNA template during transcription?

• DNA polymerase

• RNA polymerase

• Ribonuclease

• Ligase