WorksheetsHB Protein Synthesis
Total questions: 38
Worksheet time: 35mins
A string of nucleotides that contain the information to make a specific protein
Ribose
Amino Acids
tRNA
Gene
There are a total of ____ different amino acids
20
1
4
unlimited
mRNA occurs during this process
Translation
Transcription
Replication
Delivery
How can a mutation in the DNA sequence result in NO change to the protein that is made?
There are multiple codons that can code for the same amino acid and result in the same protein
There is always a change in the protein when a mutation occurs
Only the mRNA is used in protein synthesis so a mutation in the DNA would have no effect on the protein
Which anticodon would be placed in spot #2
GGC
CCA
GGA
GGT
Use your codon chart to find the amino acid that codes for AGU
Tyr
Gly
Arg
Ser
During Translation, mRNA finds a ________ to make a protein.
Nucleus
Ribosome
Amino Acid
Mitochondria
Amino Acids form a __________ ____ that is then folded into a protein
Polypeptide Chain
Protein Chain
Carbohydrate
Deoxyribose Nucleic Acid
ATG GGA ACT CCA
What process is happening in the diagram?
transcription
translation
dna replication
mitosis
When mRNA processing occurs, _____________ are removed and ________________ are spliced together to form the final mRNA molecule
introns; exons
exons; introns
Which of the following describes the process of alternative RNA splicing?
Different mRNA molecules are made from different sections of DNA
Different mRNA molecules are made by splicing together different exons from same pre-mRNA
Different mRNA molecules are absorbed from the environment for recombination
Different mRNA molecules are made by splicing together different introns from same pre-mRNA
Which of the following is the function of the poly-A tail?
To protect mRNA from hydrolytic enzymes
To allow for exit from nucleus
To signal for termination of translation
To decrease the length of mRNA molecules
Which of the following describes the difference between a prokaryote mRNA and eukaryote mRNA?
Prokaryotes have longer mRNA strands due to presence of introns
Eukaryotes have longer mRNA strands due to the presence of introns
Prokaryotes modify the mRNA due to the presence of a nuclear envelope
Eukaryotes modify the mRNA due to the absence of a nuclear envelope
What type of mutation is shown in the diagram?
Point mutation - missense
Frameshift Mutation - deletion
Frameshift Mutation - addition
Point mutation - nonsense
What type of mutation is this?
Nonsense mutation
Missense mutation
Silent mutation
Frameshift mutation
True or false, mutations create genetic diversity?
True
False
Which of the following is a start codon in mRNA?
UAA
AUG
UGA
UAG
What is the role of tRNA during protein synthesis?
To carry amino acids to the ribosome
To transcribe DNA into mRNA
To form the structure of ribosomes
To splice introns from pre-mRNA
What is 11. pointing to?
Cytoplasm
Ribosome
mRNA
Nucleus
What process is steps 1-3 referring to?
DNA Replication
Transcription
Translation
Nucleus
What is 2. pointing to?
Cytoplasm
Ribosome
mRNA
Nucleus
What process is step 12 referring to?
DNA Replication
Transcription
Translation
Nucleus
Label 6 identifies a(n)?
amino acid
codon
ribosome
RNA molecule
Which of the following best describes RNA splicing?
The addition of a 5' cap to the mRNA
The removal of exons from pre-mRNA
The joining of exons to form mature mRNA
The addition of a poly-A tail to the mRNA
Which of the following is removed during RNA splicing?
Poly A Tail
5' Cap
exons
introns
Which of the following is a common type of post-translational modification that adds energy to a protein?
Transcription
Phosphorylation
Translation
Methylation
