BIO 116 EXAM 3 UPDATED ACTUAL QUESTIONS AND VERIFIED ANSWERS

BIO 116 EXAM 3 UPDATED ACTUAL
QUESTIONS AND VERIFIED ANSWERS

●● The enzyme that makes small pieces of RNA during replication is
called...
Answer: primase


●● There are more okazaki fragments on the...
Answer: lagging strand


●● Okazaki fragments are joined by...
Answer: ligase


●● in the disease Xeroderma pigmentosum, people are missing the
enzymes that ....
Answer: repair damaged bases like thymine dimers


●● These would be important in sequencing
Answer: dideoxyNucleotides


●● A technique that separates molecules by size and charge is called
Answer: electrophoresis

,●● DNA polymerase....
Answer: -adds nucleotides to the 3' end of a strand during replication
-removes the RNA primers
-proofreads the DNA


●● The protein that keeps the DNA polymerase moving along the DNA
during replication is the...
Answer: Sliding Clamp


●● Which of the following is an enzyme involved in repair that does
NOT function in replication?
Answer: nuclease


●● Proteins are made of...
Answer: amino acids


●● RNA is made of...
Answer: nucleotides with ribose sugars


●● Transcription refers to ...
Answer: RNA synthesis

, ●● The RNA molecule that carries the code that is used to determine the
sequence of amino acids in a protein is...
Answer: mRNA


●● The RNA molecule with an anti-codon functions to...
Answer: carry amino acids to the ribosome


●● tRNA binds to...
Answer: the large ribosomal subunit


●● mRNA binds to...
Answer: the small ribosomal subunit


●● The enzyme that is in charge of transcription is...
Answer: RNA polymerase


●● At initiation, the enzyme making RNA binds to...
Answer: the promoter on the DNA molecule


●● The FACT is important to...
Answer: rebuilding the nucleosome