Nucleic Acids Practice

How does the structure of nucleic acids allow hereditary information to be stored?

• By forming hydrogen bonds between bases

• By linking nucleotides with phosphodiester bonds

• By encoding information in the sequence of bases

• By forming double helix structures

How does the structure of DNA facilitate accurate replication?

• By linking nucleotides with phosphodiester bonds

• By encoding information in the sequence of bases

• By forming hydrogen bonds between bases

• By forming double helix structures

What are the two types of nucleic acids?

• DNA and RNA

• Enzymes and hormones

• Proteins and lipids

• Carbohydrates and nucleotides

Which type of nucleic acid has a double helix structure?

• DNA

• RNA

• Both DNA and RNA

• Neither DNA nor RNA

What is the function of DNA?

• Stores and transmits hereditary information

• Directs protein synthesis

• Programs the amino acid sequence of polypeptides

• Directs RNA synthesis

Which nitrogenous base is found only in RNA?

• Guanine

• Uracil

• Adenine

• Cytosine

What type of bond forms between nucleotides in a DNA strand?

• Ionic bond

• Hydrogen bond

• Peptide bond

• Covalent bond

What is the role of complementary base pairing in DNA?

• Regulates gene expression

• Determines the sequence of amino acids in proteins

• Facilitates RNA synthesis

• Allows for accurate replication

What is the purpose of the nitrogenous bases in DNA?

• To store and transmit hereditary information

• To form the sugar-phosphate backbone

• To catalyze chemical reactions

• To provide structural support

What is the storage capacity of DNA?

• 1 petabyte

• 1 gigabyte

• 1 megabyte

• 1 kilobyte