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WorksheetsCentral Dogma
Total questions: 20
Worksheet time: 12mins
Which of the following statements are true regarding TRANSCRIPTION? (mark all that apply)
End results in synthesis of polypeptide chain
End results in synthesis of mRNA
Template is the genes in the genome
Template is messenger RNA
Ribosomes are present
Which of the following are true regarding TRANSLATION? (mark all that apply)
Occurs in the nucleus
Occurs in the cytoplasm
RNA polymerase is an enzyme used.
DNA polymerase is an enzyme
Transfer RNA is involved in the process
Which of the following enzymes is needed for Transcription?
Helicase
DNA Polymeras
RNA Polymerase
Ligase
Topoisomerase
During TRANSCRIPTION, as the DNA is being read which nucleotides are being used to build the RNA? (mark all that apply)
Adenine
Thymine
Cytosine
Guanine
Uracil
5) When Messenger RNA processing occurs, it does NOT occur in which of the following organisms?
fungi
bacteria
plants
animals
During TRANSCRIPTION, which molecules and examples could be found? (mark all that apply)
Triplet : TAC
Codon: TAC
Anticodon: UAC
Triplet : AUG
Codon : AUG
Given the mRNA sequence - 3' AUG CAU GGU.5'. What is the original DNA template strand?
5' TAC GTA CCA 3'
5' UAC GUA CGA 3'
3' UAC GUA CGA 5''
3' TAC GTA CGA 5'
Given the DNA template sequence of 3' TAC GTT ACT 5'. What is the corresponding mRNA strand?
5'AUG CAA UGA 3'
3' ATG CAA TGA 5'
3'AUG CAA UGA 5'
5' ATG CAA TGA 3'
As for mRNA processing, which of the following are true? (mark all that apply)
Introns are removed.
When finished, final mRNA leaves the nucleus.
The finalized mRNA has a cap and tail placed on it.
Exons are spliced together.
Which of the following steps is NOT part of TRANSCRIPTION in eukaryotes?
Initiation
Elongation
Termination
Transformation
WHich of the following components are present during TRANSLATION? (mark all that apply)
Introns
Exons
Ribosomes
Transfer RNA
Thymine
What information is available from the table? (mark all that apply)
mRNA
tRNA
Amino acids
Start anticodon
Stop codon
If a transfer RNA had the anticodon ACU, then what amino acid would it bring?
His (histidine)
Cys (cysteine)
Arg (arginine)
None
Which of the DNA triplets would NOT code for Arg (arginine)?
GCA
GCG
GCU
GCC
Which of the following labels are correct? (mark all that apply)
#1: start codon
#2: stop codon
#3: tRNA
#4 Amino acids
#5 ester bond
Which of the following parts are correctly matched? (mark all that apply)
D: codons
H: anticodons
A: Polypeptide chain
I: Ribosome
B: Amino acid
What is the major difference between mRNA and tRNA?
Only tRNA has thymine.
Only mRNA has uracil.
Only mRNA has ribose as its sugar.
Only tRNA is shaped like a three- leafed clover
What is the anticodon for the codon 5' AUG 3' ?
5' TAC 3'
3' TAC 5'
5' UAC 3'
3' UAC 5'
Which of the following docking sites are correctly labeled? (mark all that apply)
#1: A site
#2: P site
#3: E site
#2: M site
Given the DNA strand: 3' TAC-TGT-GGT-TAA 5'. What is the amino acid sequence?
Met-Thr-Pro-Ile
Met-Pro-Thr-Ile
Ile-Pro-Thr-Met
Ile-Thr-Pro-Met
