Nucleic Acids and Proteins Quiz

What are the two kinds of nucleic acid?

• DNA and RNA

• DNA and ATP

• RNA and ATP

• DNA and mRNA

What are the three parts of a nucleotide unit in DNA?

• Sugar, phosphate group, nitrogen base

• Sugar, lipid, nitrogen base

• Phosphate group, lipid, protein

• Nitrogen base, protein, sugar

Which bases pair together in a double strand of DNA?

• Adenine with Thymine, Guanine with Cytosine

• Adenine with Guanine, Thymine with Cytosine

• Adenine with Cytosine, Thymine with Guanine

• Adenine with Thymine, Guanine with Thymine

What is the orientation of the DNA strands?

• Parallel

• Anti-parallel

• Perpendicular

• Random

Which part of the nucleotide is indicated by "?".

• Phosphate group

• Ribose sugar

• Nitrogenous base

• Lipid chain

What is the main difference between DNA and RNA in terms of their structure?

• DNA is double-stranded, while RNA is single-stranded.

• DNA contains uracil, while RNA contains thymine.

• DNA is a polymer of amino acids, while RNA is a polymer of nucleotides.

• DNA is found in the ribosomes, while RNA is found in the nucleus.

Which base is replaced in RNA compared to DNA?

• Adenine

• Thymine

• Cytosine

• Guanine

What is the role of messenger RNA (mRNA)?

• It forms the structure of ribosomes.

• It carries amino acids to the ribosomes.

• It carries the genetic message from DNA to ribosomes.

• It catalyzes the formation of peptide bonds.

What is the function of transfer RNA (tRNA)?

• It carries the genetic message from DNA to ribosomes.

• It forms the structure of ribosomes.

• It carries amino acids to the ribosomes.

• It catalyzes the formation of peptide bonds.

What does the genetic code of DNA typically contain information for?

• Forming carbohydrates

• Joining amino acids to form polypeptides

• Synthesizing lipids

• Replicating RNA