DNA Structure Quiz

What is the structure above called?

• Carbon sugar

• Double Helix

• Ladder

• Nucleotide

Which of the following is a nitrogen base found in DNA?

• Adenine

• Phosphate group

• Deoxyribose

• Ribose

What is the shape of DNA commonly referred to as?

• Twizzler

• Double Helix

• Nucleotide

• Carbon sugar

Tags

NGSS.HS-LS1-1

Which of the following is a nitrogen base that pairs with Adenine in DNA?

• Thymine

• Guanine

• Cytosine

• Phosphate

What is the term for the repeating units or building block that makes up DNA and other nucleic acids?

• Carbon

• Ladder

• Nucleotide

• Double Helix

Which base pairs with guanine?

• Cytosine

• Adenine

• Thymine

• Uracil

If we look at DNA like a ladder, what makes up the "rungs" or the "steps" of the ladder?

• Deoxyribose sugar

• Nitrogen bases

• Phosphate group

• Phosphodiester bonds

Nucleotides are the building block of DNA. They consist of three parts. What are those three parts? (choose three answers)

• Phosphate group

• Double helix

• Deoxyribose sugar

• Nitrogen base

The "backbone" of DNA or the sides of the DNA ladder are made up of what two structures? (choose two answers)

• Double helix

• Nitrogen Base

• Deoxyribose sugar

• Phosphate group

DNA of any species contains equal amounts of __________ and __________, and also equal amounts of __________ and __________.

• cytosine and guanine / adenine and thymine

• cytosine and adenine / thymine and guanine

• sugar and phosphate / Carbon and nitrogen

• adenine and guanine / thymine and cytosine

Answer explanation

Think about your base pairing rules here! Apples in the Tree, Cars in the Garage