Quiz on Nucleotides, Nucleic Acids, and Heredity

What are the two main types of nucleic acids mentioned in the text?

• DNA and RNA

• RNA and Proteins

• DNA and Proteins

• RNA and Lipids

What is the primary function of RNA?

• Transmits hereditary information

• Stores genetic information

• Forms chromosomes

• Synthesis of proteins

Which component is NOT part of a nucleotide?

• Nitrogen-containing base

• Phosphate group

• Amino acid

• Pentose sugar

What type of bond links nucleotides in a nucleic acid structure?

• Covalent bonds

• Phosphodiester bonds

• Ionic bonds

• Hydrogen bonds

Which sugar is found in RNA?

• Fructose

• Glucose

• Ribose

• 2-deoxyribose

What is the role of histones in chromosomes?

• Store genetic information

• Transport RNA

• Facilitate protein synthesis

• Protect DNA

Which base pairs with adenine in DNA?

• Thymine

• Uracil

• Guanine

• Cytosine

What is the directionality of a DNA strand?

• 5' to 5'

• 3' to 3'

• 5' to 3'

• 3' to 5'

Which of the following is a purine base?

• Thymine

• Cytosine

• Adenine

• Uracil

What is the complementary sequence for the DNA strand 5' A–A–T–G–C–A–G–C–T 3'?

• 5' A–G–C–T–G–C–A–T–T 3'

• 3' T–A–C–G–T–C–G–A 5'

• 5' T–T–A–C–G–T–C–G–A 3'

• 3' T–T–A–C–G–T–C–G–A 5'