Ch 7 DNA Review

How many amino acids are coded for by this sequence of mRNA :

AUG GGA ACT UGA

• 4

• 2

• 6

• 12

One difference between DNA and RNA is that....

• only RNA has the base Uracil

• only RNA contains the base Thymine

• only RNA contains the base Cytocine

• only RNA contained the base Guanine

Which of these bases does not exist in RNA?

• C
• T
• U
• A

Which sequence of DNA bases would pair with this partial strand

ATG TGA CAG

• ATG TGA CAG

• TAC ACT GTC

• UAC ACU GUC

• CAT TCA CTG

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

• cytosine
• guanine
• thymine
• uracil

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Tags

CCSS.RI.11-12.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.8.7

CCSS.RL.9-10.7

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

• the shape of the bases

• the sequence of the bases

• the color of the bases

• the number of bases

Tags

NGSS.HS-LS1-1

Which 2 molecules form the sides (backbone) of the DNA ladder?

• a sugar and a base

• a sugar and a hydrogen bond

• a sugar and the nucleus

• a sugar and phosphate group

Bases are joined by which type of bond?

• polar bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

Tags

NGSS.HS-LS1-1

Replicate the following strand of DNA:

AATCATGGA

• AATCATGGA

• TTAGTACCT

• UUAGUACCU

• GGATAUCUA