Protein Synthesis

Chargaff's rule states...

• A=T
• T=C
• G=T
• C=A

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

If an organism contains 10% Thymine, what percent Cytosine does it have?

• 40%
• 10%
• 20%
• 80%

If an organism contains 45% Cytosine, what percent Guanine does it have?

• 45%
• 5%
• 10%
• 20%

What would be the mRNA strand that is transcribed from the bottom DNA strand?

• AUGCCUAU
• ATGCCTAT
• AUGGCUAC
• UACCGAUG

Tags

NGSS.HS-LS1-1

Which enzyme adds free nucleotides to exposed ends of DNA during replication?

• DNA Polymerase
• DNA Ligase
• DNA Helicase
• RNA Polymerase

A point mutation changes the mRNA strand UCU to UCC. What type of point mutation is this?

• silent mutation
• nonsense mutation
• insertion
• deletion

Tags

NGSS.HS-LS3-2

A protein has the amino acid sequence Met-Pro-Gly-Stop. Which mRNA strand would code for this?

• AUG-CCU-GGA-UAG
• AUG-GGC-CCA-UGA
• UAG-GGA-CCU-AUG
• AUG-GAU-AAA-UAA

Tags

NGSS.HS-LS1-1

A mutation is...

• Always a bad thing
• Always a good thing
• A change in a sequence of DNA
• A change in a sequence of RNA

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Which type of mutation has the greatest affect on an organism?

• Frameshift mutation
• Point mutation
• Spontaneous mutation
• Substitution

Tags

NGSS.HS-LS3-2

A point mutation changes the DNA strand AGT to ACT. What type of point mutation is this?

• Nonsense mutation
• Silent mutation
• Missense mutation
• Frameshift mutation

Tags

NGSS.HS-LS3-2