DNA Structure - Pre-assessment

Name this structure

• double helix
• nucleotide
• twisted ladder
• hydrogen bond

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

Which of the following best describes a DNA molecule?

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

Which of the following is NOT a DNA base pair?

• adenine
• guanine
• cytosine
• uracil

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

• nitrogenous base
• nucleic acid
• cholesterol
• fatty acid

What letter represents a phosphate?

• W = dark circle
• X = white pentagon
• Y = grey rectangles
• It's not pictured

What letter represents a deoxyribose sugar?

• W = dark circle
• X = white pentagon
• Y = grey rectangles
• It's not pictured

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 is the complement to the DNA strand below:
5'-ATGCCAT-3'

• 5'-TACGGTA-3'
• 3'-TACGGTA-5'
• 3'-ATGGCAT-5'
• 5'-ATGGCAT-3'