Genetics and Molecular Biology Quiz

What did Frederick Griffith discover in his experiment with pneumonia-causing bacteria?

• DNA is made of nucleotides

• Bacteria can be transformed by a gene from another bacteria

• Viruses are made of proteins

• Proteins are the genetic material

Tags

NGSS.HS-LS1-1

What molecule did Oswald Avery identify as the one that stores and transmits genetic information?

• RNA

• Lipids

• Proteins

• DNA

Tags

NGSS.HS-LS1-1

In the Hershey-Chase experiment, which molecule was identified as the genetic material?

• Protein

• DNA

• RNA

• Phosphorus

DNA is composed of what repeating subunits?

• Proteins

• Enzymes

• Nucleotides

• Lipids

Which of the following is NOT a part of a DNA nucleotide?

• Deoxyribose sugar

• Phosphate group

• Ribose sugar

• Nitrogenous base

According to Chargaff’s Rule, the percentage of adenine is always equal to the percentage of:

• Cytosine

• Uracil

• Thymine

• Guanine

What process allows each strand of DNA to serve as a template for a new strand?

• Transcription

• Translation

• Replication

• Mutation

During DNA replication, which enzyme adds new nucleotides to a strand?

• Helicase

• DNA Polymerase

• RNA Polymerase

• Ligase

In prokaryotes, DNA replication begins at:

• Multiple points

• The end of the chromosome

• One point

• All parts at once

What type of RNA carries amino acids to the ribosome?

• mRNA

• rRNA

• tRNA

• snRNA