DNA and RNA Structure

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

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

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

• amino acids
• nucleotides
• fatty acids
• polysaccharides

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

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

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

The following picture must be

• DNA because it's double stranded
• RNA because it's single stranded
• DNA because it's single stranded
• RNA because it's double stranded

Tags

NGSS.HS-LS1-1

What is DNA's basic job?

• to code for proteins
• to code for sugars
• to code for lipids
• to code for nucleic acids

Tags

NGSS.HS-LS1-1

What four nitrogen base pairs make up RNA?

• Adenine, Thymine, Guanine, Cytosine

• Adenine, Uracil, Guanine, Cytosine

• Adenine, Thymine, Glucose, Cytosine

• Adenine, Thymine, Guanine, Fructose

What base pair does Adenine (A) bind with in RNA?

• Guanine

• Cytosine

• Thymine

• Uracil