DNA Structure and Function review

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Which complementary 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

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Tags

NGSS.MS-LS1-2

NGSS.MS-LS3-1

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

The two strands of nitrogenous bases in DNA are joined by which type of bond?

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

What does the 5' and 3' ends of the 2 DNA Backbones reveal about the structure of DNA?

• The backbones are oriented in opposite directions, they are anti-parallel

• The backbones are oriented in the same direction, they are anti-parallel

• The backbones are oriented in the same direction, they are parallel

• The backbones are oriented in opposite directions, they are parallel

Tags

NGSS.HS-LS1-1

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1

The shape of the DNA molecule is a double __________________?

• "S"
• helix
• rope
• curve

This picture is illustrating the ____ nature of DNA.

• anti-parallel
• deoxyribosic
• helical
• radioactive

Tags

NGSS.HS-LS1-1