WorksheetsReplication and Protein Synthesis
Total questions: 30
Worksheet time: 23mins
What is the primary function of mRNA in the cell?
To bring amino acids to the ribosome
To carry genetic information from DNA to the ribosome
To form the structure of ribosomes
To catalyze the formation of peptide bonds
Which type of RNA is responsible for transferring amino acids to the ribosome during protein synthesis?
mRNA
tRNA
rRNA
snRNA
What is the role of rRNA in the cell?
To carry genetic information
To transfer amino acids
To form the core of the ribosome's structure and catalyze protein synthesis
To modify other RNA molecules
Which RNA molecule is involved in the process of translation?
mRNA
tRNA
rRNA
All of the above
How does tRNA contribute to protein synthesis?
By replicating DNA sequences
By carrying specific amino acids to the ribosome based on the codon of the mRNA
By forming peptide bonds between amino acids
By transcribing DNA into RNA
What is the significance of the anticodon loop in tRNA?
It binds to the mRNA codon in a complementary manner.
It attaches to the amino acid.
It helps in the replication of DNA.
It is involved in the transcription process.
In which cellular location does rRNA play a critical role?
Nucleus
Ribosome
Endoplasmic reticulum
Golgi apparatus
What is the process called when mRNA is decoded to produce a specific protein?
Replication
Transcription
Translation
Modification
Which enzyme is responsible for unwinding the DNA double helix during replication?
DNA polymerase
Helicase
Ligase
Primase
What is the role of DNA ligase in DNA replication?
It unwinds the DNA double helix.
It synthesizes RNA primers.
It adds nucleotides to the growing DNA strand.
It joins Okazaki fragments on the lagging strand.
DNA replication occurs during (a) .
Where does DNA replication occur?
(a)
Polymerase
builds the complimentary DNA strand
Ligase
bonds DNA fragments together
Primase
Indicates whee DNA replication begins
Helicase
"unzips" the DNA
ATG TGA CAG
Match the DNA sequence codon with the complimentary sequence
GCG
TAC
ATG
AGT
TCA
CTT
GAA
The following DNA strand is TTACCGATACAT, what would the transcription mRNA strand be?
AAUGGUAUGUA
TTACCGATACAT
UUAGGCUAUCUA
AATGGCTATGTA
The following is a sample of mRNA strand AUG-CCA-UAA, what is the correct tRNA sequence that goes with the mRNA strand?
AUU-GGU-UAC
AUG-CCA-UAA
UAC-GGU-AUU
TAC-GGT-ATT
This is a process that happens in living cells. Name the process and the location that it occurs within the cell.
transcription, cytoplasm
translation, cytoplasm
translation, nucleus
transcription, nucleus
Using this mRNA strand: CUC-AAG-UGC-UUC, what would the correct original DNA strand?
CUC-AAG-UUG-UUC
GAG-UUC-ACG-AAG
GAG-TTC-ACG-AAG
AGA-CCT-GTA-GGA
The process to go from mRNA to a protein is called ____
transcription
rRNA
replication
translation
What would the mRNA codon be if DNA was ATC?
(a)
What would the mRNA codon be if DNA was GCT?
(a)
What would the tRNA anti-codon be if mRNA was AAA?
(a)
What amino acid would be used if the mRNA codon was AUG?
Met
Lys
Arg
Phe
What amino acid would be used if the mRNA codon was GCA?
Met
Lys
Ala
Phe
Which answer models central dogma?
DNA to protein to RNA
RNA to DNA to protein
DNA to RNA to protein
protein to RNA to DNA
Which of the following codons is the "start" codon?
UAA
AUG
UGA
UAG
Which of the following codons are the "stop" codons? (select all that apply)
UAA
UGG
UAG
UGA
UGC
