Molecular and Cellular Biology Quiz

What are the two main types of cells?

• Single and Multi-cellular

• Nucleus and Non-nucleus Cells

• Eukaryotic and Prokaryotic Cells

• Animal and Plant Cells

Which of the following is a characteristic of Eukaryotic Cells?

• Have membrane bounded organelles

• No Nucleus

• One piece of rolled up DNA

• Single-celled organisms

What is the structure of DNA?

• Circular

• Single Helix

• Double Helix

• Triple Helix

Which nitrogenous base is found in RNA but not in DNA?

• Thymine

• Cytosine

• Uracil

• Adenine

What is the role of RNA in the cell?

• Act as a structural component

• Form the cell membrane

• Transfer information and synthesize proteins

• Store genetic information

What type of bond connects Adenine and Thymine in DNA?

• Covalent Bond

• Ionic Bond

• Triple Hydrogen Bond

• Double Hydrogen Bond

What is the function of DNA Polymerase during DNA replication?

• Seals the gaps

• Unwinds the DNA strands

• Fills the gaps in the new strands

• Creates RNA primers

Which of the following is NOT a type of RNA?

• Messenger RNA (mRNA)

• Ribosomal RNA (rRNA)

• Deoxyribonucleic RNA (dRNA)

• Transfer RNA (tRNA)

What is the primary function of proteins in the body?

• Store genetic information

• Provide energy

• Form enzymes and body components

• Transport oxygen

What is the main difference between Eukaryotic and Prokaryotic cells?

• Prokaryotic cells have membrane-bound organelles

• Eukaryotic cells are always single-celled

• Prokaryotic cells are larger

• Eukaryotic cells have a nucleus