DOL: DNA Basic Information

How many nucleotides are shown in the DNA segment pictured?

• 2

• 3

• 6

• 8

Circle an entire nucleotide on the DNA segment.

What are the three parts of a DNA nucleotide?

• Phosphate, Deoxyribose Sugar, Nitrogen Base

• Phosphate, Ribose Sugar, Nitrogen Base

• Phosphate, Table Sugar, Nitrogen Base

• Phosphate, Powdered Sugar, Nitrogen Base

Use the letters P and S to label the sugar and phosphate of the DNA molecule.

Also, make sure you complete the base pairing of the nitrogen bases.

Which part does the phosphate molecule connect with?

• Ribose Sugar

• Deoxyribose Sugar

• Nitrogen Base

• Hydrogen Bond

What is the special shape of DNA called?

• Twisted Trouble

• Twisted Helix

• Double Helix

• Double Trouble

Tags

NGSS.HS-LS1-1

What is the name of the chemical bond that joins the DNA nitrogen bases together?

• covalent bond

• metallic bond

• nitrogen bond

• hydrogen bond