DNA and RNA Strands

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

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Watson and Crick were the first to suggest that DNA is _____

• a short molecule
• the shape of a double helix
• a protein molecule
• the genetic material

Tags

NGSS.HS-LS1-1

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Tags

NGSS.MS-LS1-2

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Nucleotides are made up of a sugar, phosphate, and..?

• nitrogenous base
• nucleic acid
• cholesterol
• fatty acid

Tags

NGSS.HS-LS1-1

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose

Tags

NGSS.MS-LS3-1

NGSS.MS-LS3-2

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid