DNA and Mutations Review

Adenine always pairs with...

• thymine

• cytosine

• guanine

• adenine

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

If we think of DNA as a ladder, which parts are the steps of the ladder?

• the nitrogenous base pairs
• the phosphate-sugar backbone
• the genes
• the phospholipid bilayer

DNA is a(n)

• atom

• molecule

• nucleus

• cell

Tags

NGSS.MS-LS3-1

Chromosomes occur in the _______ of a cell.

• cell

• chromosome

• gene

• nucleus

Tags

NGSS.MS-LS3-1

A chromosome is made of coiled up ___________.

• cells

• nuclei

• DNA

Tags

NGSS.MS-LS3-1

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

Which of the following best describes a DNA molecule?

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

Tags

NGSS.HS-LS1-1

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands