DNA Structure Quiz

What is the structure of DNA?

• A triple helix structure
• A circular shape
• A single strand of RNA
• The structure of DNA is a double helix.

Tags

NGSS.HS-LS1-1

What are the four nitrogenous bases in DNA?

• adenine, uracil, cytosine, guanine
• adenine, thymine, uracil, cytosine
• adenine, thymine, cytosine, ribose
• adenine, thymine, cytosine, guanine

Which base pairs with Adenine in DNA?

(a)  

Which base pairs with Guanine in DNA?

• Cytosine
• Thymine

• Adenine

• Guanine

What is the sugar found in DNA?

• ribose
• glucose
• deoxyribose
• fructose

What are the 3 components of a nucleotide?

• Amino acid, fatty acid, glycerol
• Enzyme, cofactor, substrate
• Carbohydrate, protein, lipid
• Phosphate group, five-carbon sugar, nitrogenous base

How many strands is RNA made up of?

• One
• Two

• Three

• Four

Which base pairs with Adenine in RNA?

• Uracil
• Thymine

• Cytosine

• Guanine

What are the three main types of RNA?

• mRNA, tRNA, rRNA
• DNA, mRNA, rRNA
• tRNA, sRNA, rRNA
• mRNA, cRNA, dRNA

What is the function of RNA?

• The function of RNA is to transfer genetic information from DNA to proteins.

• RNA functions only as a structural component of cells.
• RNA is involved in energy production within the cell.
• RNA is solely responsible for DNA replication.