Unit 4, Concept 1: DNA Structure and Replication

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Tags

CCSS.RI.3.5

CCSS.RL.4.1

CCSS.RL.5.1

CCSS.RL.9-10.9

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Tags

CCSS.RI.11-12.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.8.7

CCSS.RL.9-10.7

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

• deoxyribose sugar and adenine
• deoxyribose sugar and a hydrogen bond
• deoxyribose sugar and the nucleus
• deoxyribose sugar and phosphate

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

What are the nucleotides made of?

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

What is the shape of DNA?

• Double helix
• Triple helix
• Flat, bilayer
• Three-pronged rigid ladder

If the percentage of DNA is made of 30% Thymine, what is the correct percentage of Guanine?

• 30
• 15
• 20
• 60

What is the sugar in the DNA molecule?

• deoxyribose
• ribose
• glucose
• fructose

Tags

NGSS.HS-LS1-6

The monomer of DNA is called a(n)

• Monosaccharide

• Amino Acid

• Triglyceride

• Nucleotide

Which bonds in the DNA molecule are strong? Which ones are weak?

• Guanine and Cytosine are strong, Adenine and Thymine is weak.

• Sugar phosphate backbone is strong, nitrogen bases are weak

• Nitrogen bases are strong, sugar phosphate backbone is weak

• The Sugars and bases are strong, the phosphates are weak.