ASU BIO 181 Exam 2 Question and Answer | 100% Verified A+ | Past Questions

ASU BIO 181 Exam 2 Question and
Answer | 100% Verified A+ | Past
Questions
• T/F: The genetic code for the conversion of mRNA codons to proteins has
redundancy -✓✓True

• List one type of post-translational modification -✓✓Proteolysis, Glycosylation,
Phosphorylation.

• For DNA Polymerase III to work which of these components has to act first? -
✓✓Primase

• Draw the sugar in DNA and label the carbons as discussed in the lecture. Then
circle the carbon that is different in RNA. -✓✓

• Which strand is produced more rapidly? -✓✓Leading strand

• T/F: In the lagging stand, the DNA is read from the parental DNA's 3' to 5' end. -
✓✓True

• In DNA, what does the nucleotide labeled as A pair with? -✓✓Thymine (T)

• Which enzyme is used first to permit DNA polymerase III to begin replicating the
3' strand? -✓✓Primase

• T/F: The DNA polymerase that replicates the parental strand of DNA reads the
parental DNA from 5' to 3" and makes a new DNA strand from 3' to 5'. -✓✓False

• How many "stop" codons exist? -✓✓Three
1. UAA (Uracil Adenine Adenine)
2. UAG (Uracil Adenine Guanine)
3. UGA (Uracil Guanine Adenine)

• List the two basic categories of nitrogenous bases in nucleic acids. -✓✓Purines
and Pyrimidines