DNA Structure

Nucleic acids are built of small units called _____________________.

• nucleotides

• polypeptides

• adenine

• cytosine

Many nucleotides bind together to form a chain called a ________________________.

• mononucletide

• dinucleotide

• trinucleotide

• polynucleotide

What is the shape found in this structure?

• double helix

• polynucleotide

• nitrogen base

• phosphate group

Tags

NGSS.HS-LS1-1

These two molecules alternate to form the backbone of the nucleotide chain

• sugar and the phosphate group

• nitrogen base and the phosphate group

• nitrogen base and the sugar

• none of these

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Tags

NGSS.MS-LS3-1

NGSS.MS-PS1-1

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Tags

NGSS.HS-LS1-1

Which of the following is a base pair?

• Adenine - Cytosine

• Cytosine - Thymine

• Deoxyribose - Cytosine

• Cytosine - Guanine

Which of the following is not a nitrogen base found in DNA?

• Thymine
• Uracil 
• Guanine
• Adenine