Quiz on Nucleic Acids and the Origin of Life

What is a gene?

• A segment of RNA that carries genetic information

• A segment of DNA that contains instructions for building proteins

• A type of nucleic acid that stores energy

• A molecule that transports amino acids

What is the complete set of DNA in a living organism called?

• Chromosome

• Genome

• Nucleotide

• Gene

Which of the following is NOT a type of nucleic acid?

• Protein

• DNA

• RNA

• mRNA

What is the structure of RNA?

• Circular

• Double helix

• Single-stranded

• Triple helix

What are nucleotides composed of?

• A nitrogenous base and a protein

• A sugar and a lipid

• A sugar and two phosphate groups

• A sugar, a phosphate group, and a nitrogenous base

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

• Guanine

• Cytosine

• Thymine

• Adenine

What type of bond forms between complementary base pairs in DNA?

• Ionic bonds

• Covalent bonds

• Hydrogen bonds

• Disulfide bonds

What is the sugar present in DNA?

• Ribose

• Deoxyribose

• Glucose

• Fructose

Where is DNA primarily located in a cell?

• Ribosome

• Nucleus

• Cytoplasm

• Endoplasmic reticulum

What is the function of RNA?

• To convert genetic information into proteins

• To form the structure of the cell

• To replicate DNA

• To store genetic information