DNA Structure and Replication

A monomer of DNA is called a(n)

• Monosaccharide
• Amino Acid
• Triglyceride
• Nucleotide

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

Who was NOT awarded the Nobel Prize for their part in discovering the helical structure of DNA?

• Rosalind Franklin
• Francis Crick
• James Watson
• Maurice Wilkins

______ forms the backbone of DNA and ______ forms the inside.

• Sugar and Nitrogen bases / phosphates
• Nitrogen bases / sugar and phosphate
• Sugar and phosphate / nitrogen bases
• Phosphate and nitrogen bases / Sugar

What two parts of a nucleotide do not change throughout the structure of DNA?

• Five-Carbon Sugar and Nitrogen Base
• Phosphate Group and Nitrogen Base
• Five-Carbon Sugar and Phosphate Group
• All components remain the same throughout the DNA structure?

Which of the following best describes a DNA molecule?

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

Tags

NGSS.HS-LS1-1

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

• cytosine
• guanine
• thymine
• uracil

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

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