Download Biology 101 Lecture Quiz #12 Name

A
Biology 101 Lecture Quiz #12
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T 5458 9:10 AM
Name ____________________________
T 5457 1:30 PM
Note: Lettered selections on the right side might be used more than one time (or not at all) as answers for
questions or descriptions on the left.
[10pts] Identification: Answer with the word or words that best respond to the statement on the left.
#
Description
Enzyme that joins Okazaki fragments together during DNA
replication
Structure
Enzyme that assists in RNA splicing events following transcription
Enzyme that removes RNA primers and replaces them with DNA
nucleotides during DNA replication
Enzyme that unwinds parental DNA double helix at replication forks
Enzyme that relieves over winding strain ahead of replication forks
during DNA replication
[5pts] Short Answer: In the 1950’s, Watson and Crick theorized that DNA nucleotides in opposing strands pair by a
mechanism in which purine nucleotides always pair with pyrimidine nucleotides. Why did they theorize that it is
always a purine-pyrimidine pair?
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Biology 101 Lecture Quiz #12
[5pts] Short Answer: Please describe what a ‘lagging strand’ is in DNA replication
[5pts] Matching: Select the best match (on the right) for each issue on the left
#
Match
Description
Letter
Answer
A small section of mRNA that codes for a unique amino acid
A
Exon
A section of a mRNA transcript that is ‘noncoding’ and will
not be utilized in translation
B
Promoter
Nucleic acid sequence that is a copy of a gene
C
mRNA
A biomolecule that carries appropriate amino acids to the
ribosome for a growing peptide chain
DNA Sequence, just ahead of a gene, where RNA polymerase
will attach
D
Codon
E
DNA
F
Anticodon
G
Intron
H
tRNA