BSC2010 UCF Thomas Exam 4 Questions
And Answers
What does mRNA do? -
correct answer ✅Carries genetic message from DNA to ribosome
What does rRNA do? -
correct answer ✅RNA that forms most of the ribosome
What does tRNA do? -
correct answer ✅Transfer amino acids from the cytoplasm to the
ribosome
What is transcription? -
correct answer ✅The synthesis of RNA under direction of DNA,
occurs in the nucleus, requires RNA polymerase, has promoter and
terminator regions
What is translation? -
correct answer ✅Synthesis of a polypeptide in amino acid
sequence from genetic code, occurs in the cytoplasm requires a
ribosome
What is a codon? -
correct answer ✅Triplet of bases that signifies an amino acid
,BSC2010 UCF Thomas Exam 4 Questions
And Answers
What is an anticodon? -
correct answer ✅The nucleotide triplet on the tRNA that pairs
with the codon on mRNA
What does helicase enzyme do? -
correct answer ✅Enzyme that unwinds the DNA double helix at
replication forks
What does topoisomerase do? -
correct answer ✅Enzyme that corrects "overwinding" ahead of
replication forks
What does primase do? -
correct answer ✅Makes an RNA nucleotide primer at 5' end of
DNA leading strand
What does DNA polymerase I do? -
correct answer ✅Removes RNA primer from 5' end of leading
strand and replaces it with DNA nucleotides
, BSC2010 UCF Thomas Exam 4 Questions
And Answers
What does DNA polymerase III do? -
correct answer ✅Continually synthesizes both strands by adding
new nucleotides to the 3' end
What does DNA ligase do? -
correct answer ✅Joins the okazaki fragments
What does RNA polymerase do? -
correct answer ✅Unwinds the DNA strand and assembles single
stranded RNA nucleotides along the template
What are the 4 different nitrogenous bases for DNA? What about
RNA? -
correct answer ✅DNA: thymine, adenine, guanine, cytosine
RNA: uracil, adenine, guanine, cytosine
What composes a nucleotide? What parts make up the backbone of
DNA? -
correct answer ✅A nitrogenous base, a phosphate group, and a 5C
sugar.
Phosphate backbone
And Answers
What does mRNA do? -
correct answer ✅Carries genetic message from DNA to ribosome
What does rRNA do? -
correct answer ✅RNA that forms most of the ribosome
What does tRNA do? -
correct answer ✅Transfer amino acids from the cytoplasm to the
ribosome
What is transcription? -
correct answer ✅The synthesis of RNA under direction of DNA,
occurs in the nucleus, requires RNA polymerase, has promoter and
terminator regions
What is translation? -
correct answer ✅Synthesis of a polypeptide in amino acid
sequence from genetic code, occurs in the cytoplasm requires a
ribosome
What is a codon? -
correct answer ✅Triplet of bases that signifies an amino acid
,BSC2010 UCF Thomas Exam 4 Questions
And Answers
What is an anticodon? -
correct answer ✅The nucleotide triplet on the tRNA that pairs
with the codon on mRNA
What does helicase enzyme do? -
correct answer ✅Enzyme that unwinds the DNA double helix at
replication forks
What does topoisomerase do? -
correct answer ✅Enzyme that corrects "overwinding" ahead of
replication forks
What does primase do? -
correct answer ✅Makes an RNA nucleotide primer at 5' end of
DNA leading strand
What does DNA polymerase I do? -
correct answer ✅Removes RNA primer from 5' end of leading
strand and replaces it with DNA nucleotides
, BSC2010 UCF Thomas Exam 4 Questions
And Answers
What does DNA polymerase III do? -
correct answer ✅Continually synthesizes both strands by adding
new nucleotides to the 3' end
What does DNA ligase do? -
correct answer ✅Joins the okazaki fragments
What does RNA polymerase do? -
correct answer ✅Unwinds the DNA strand and assembles single
stranded RNA nucleotides along the template
What are the 4 different nitrogenous bases for DNA? What about
RNA? -
correct answer ✅DNA: thymine, adenine, guanine, cytosine
RNA: uracil, adenine, guanine, cytosine
What composes a nucleotide? What parts make up the backbone of
DNA? -
correct answer ✅A nitrogenous base, a phosphate group, and a 5C
sugar.
Phosphate backbone
