DNA Structure

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

What is the significance of the sequence (order) of the Nitrogen Bases in DNA?

• The order of the Nitrogen Bases determines the number of chromosomes present in an organism.

• The order of the Nitrogen Bases determines the traits that an organism will possess (have).

• The order of the Nitrogen Bases determines the gender of an organism.

• The order of the Nitrogen Bases determines whether an organism is abiotic biotic.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Assume that you have straight hair and your sibling has curly hair. What accounts for this difference?

• You have DNA and your sibling does not.

• Your sequence of nitrogen bases is different than your sibling.

• Your sibling has a weave. 

• Your sibling has a genetic mutation. 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which organelle is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

Tags

NGSS.MS-LS3-1

A nucleotide is composed of

• A phosphate, sugar and nitrogenous base

• A protein, protein and Guanine

• A phosphate, Adenine, and nitrogenous base

• A protein, Adenine and nitrogenous base

Tags

NGSS.HS-LS1-1

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine

• deoxyribose and a hydrogen bond

• sugar and the nucleus

• deoxyribose (sugar) and phosphate

What are the bonds that exist between the Nitrogenous Bases (A, T, C, G)?

• Covalent bonds

• Ionic bonds

• Peptide bonds

• Hydrogen bonds

What was the shape of DNA called?

• Alpha helix

• Pleated sheet

• Tetrad

• Double helix

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