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Membrane Proteins

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Wize University Biology Textbook > Transcription and Translation

Translation into Proteins

7 Activities

Wize University Biology Textbook > Chemistry of Life

Proteins

8 Activities

checklist
Mark Yourself Question
  1. Grab a piece of paper and try this problem yourself.
  2. When you're done, check the "I have answered this question" box below.
  3. View the solution and report whether you got it right or wrong.
If a random protein was mutated, what effect do you think that the following amino acid substitutions would have on the structure of the protein? Would these substitutions affect secondary, tertiary, or quaternary protein structure?
a. Cys →\rightarrow Pro
b. Asp →\rightarrowLys
c. Gln →\rightarrowAla

More Translation into Proteins Questions:
Match the correct options.
tRNA
Why are there so many tRNA molecules?
Which of the following statements is true regarding translation?
What type of interaction occurs between the codon of the mRNA and anticodon of the tRNA:
What end of the protein molecule is synthesized first?
What is the role of tRNA?
a) Read mRNA codons using anticodons and assemble amino acids in the proper sequence to make a protein
b) Package and transport proteins to various locations in the cell
Where do both transcription and translation take place in eukaryotes?
Ribosomes
What are ribosomes responsible for producing?
Practice: tRNA vs mRNA
An anticodon of a tRNA has the sequence 5'-GCA-3'. Use an amino acid table like the one from the theory to help you!
a) What amino acid does the tRNA carry?
b) What is a complimentary mRNA codon?
The ribosome is made up of
The ribosome preforms the process called _____ while RNA polymerase preforms the process called ____
Practice: Translation
Match the correct options.
Practice: Components for Protein Translation
Which of the following is not necessary for protein translation to occur?
Which of the following functions as an RNA-protein complex?
Ribosomes
snRNPs
If the codon for arginine in DNA is 3'GCA, what would be the expected tRNA anticodon sequence?
Consider a typical prokaryotic gene as shown. Which of the numbers indicates a sequence that is transcribed but not translated?
Why is annotating a eukaryotic genome a lot more difficult than a prokaryotic genome?
What is required before the elongation of a polypeptide in a prokaryotic cell can begin?
How is a finished polypeptide released from the ribosome?
Which of the following is not necessary for protein translation to occur?
What is synthesized at the N-termini of every polypeptide in eukaryotes?
What is the first amino acid of a translated polypeptide?
If a reading frame shift occurs during translation of an mRNA transcript, what is the MOST likely outcome?
Match the following enzymes with their function.
Translation and Primary structure Question
A protein coding polypeptide chain... (select all that apply)
Translation
Which of the following statements is true regarding translation?
Use the codon dictionary below to complete the following table. Assume that reading is from left to right and that the columns represent transcriptional and translational alignments.
Translation Initiation
How is translation initiation different between prokaryotes and eukaryotes?
tRNA
Why are there so many tRNA molecules?
Explain the stages of translation elongation including the ribosomal sites in your answer.
Match the correct options.
More Proteins Questions:
Practice: C-Terminus
Which of the following statements about the C-terminal end of a polypeptide strand is correct?
i. The C-terminal end has a hydroxyl group
Practice: Fatty Acids
What chemical reaction occurs to join fatty acids monomers and what is the linkage called?
Practice: C Terminus
Which of the following statements about the C terminal end of a polypeptide strand is correct?
i. The C terminal end has a hydroxyl group
Practice: Monomers and Polymers
Choose the pair of terms that correctly completes this sentence:
Nucleotides are to __________ as __________ are to proteins
Practice: Fatty Acids
What chemical reaction happens to join fatty acids monomers and what is the linkage?
Practice: Beta Sheet
A beta sheet is an example of what?
Bonds in Proteins
List the names of these bonds in order
Bonds in Proteins
List the names of these bonds in order
Bonds in Proteins
List the names of these bonds in order
Which of the following dictates the 3D protein folding structure?
lipids
What chemical reaction happens to join the monomers of lipids and what is the linkage?
Practice: Parts of an Amino Acid
Which is a component of an amino acids?
Wize Exam Practice Questions
Which of the following dictates the 3D protein folding structure?
Wize Exam Practice Questions
Which of the following dictates the 3D protein folding structure?
Practice: C Terminus
Which of the following statements about the C terminal end of a polypeptide strand is correct?
i. The C terminal end has a hydroxyl group
Practice: Monomers and Polymers
Choose the pair of terms that correctly completes this sentence:
Nucleotides are to __________ as __________ are to proteins
Practice: Fatty Acids
What chemical reaction happens to join fatty acids monomers and what is the linkage?
Translocators are used to move
What do chaperonin proteins do?
Which of the following is a role of proteins? (may be multiple answers).
You analyze a peptide with 150 amino acids, how many peptide bonds are there?
Which of the following go together?
Which ones go together! I didn't see any questions with exactly this format but it's similar to multiple choice.
At which bond would water need to be added to achieve hydrolysis of the peptide, back to its component amino acids?
Which of the following statements about the C terminal end of a polypeptide strand is correct?
i. The C terminal end has a hydroxyl group
ii. The C terminal end has an amino group
If an amino acid had a terminal OH- group in it’s R-chain it would:
i. Be hydrophobic
ii. Be hydrophilic
A backbone consisting of N-C-C-N-C-C uses what type of bond?
Choose the pair of terms that correctly completes this sentence:
Nucleotides are to __________ as __________ are to proteins
Choose the false statements:
lipids
What chemical reaction happens to join monomers and what is the linkage?
Practice: Forces Holding Together a Protein
What level of structure is stabilized by disulfide bonds (from cysteine residues)?
Practice: Parts of an Amino Acid
Which in a component of an amino acids:
Bonds in Proteins
List the names of these bonds in order
Which of the following best describes tertiary structure?
You are studying a protein and recognize the primary structure (the amino acid sequence) has been mutated. Which of the following COULD be changed
Amino acids
What determines the group to which an amino acid belongs?
Practice: The Importance of Carbon
What makes carbon an important element?
Protein Practice Problem
List all the types of interactions (i.e. H-bonding) that occur within a protein in order of their ability to withstand denaturation. Which protein structures are most affected?
protein structure
What level of protein structure is this showing?
What type of non-covalent bonds are generally formed in the secondary structure of protein?
Practice: Protein 3D Folding
Which of the following dictates the 3D protein folding structure?
Practice: Beta Sheet
A beta sheet is an example of what?
When a misfolded protein is being linearlized by the proteasome it requires ATP, why?
Which of the following is the most important for determining protein function?
Which of the following statements about protein folding is correct?
i. The native conformation of a protein is determined by the structure with the lowest free energy
ii. Denaturation of a protein results from high temperatures or exposure to chemicals like urea
How does a chaperonin work?
Fill in the blank: __________________ are big complexes that provide an internal folding cavity for proteins, and are ____________________.
Which of the following is not an enzymatic function?
Which of the following is true regarding molecular chaperones?
Which of the following is not a function of proteins in an organism?
Which of the following could affect all of the primary, secondary, and tertiary structure
of a protein?
Which of the following would most likely participate in cell-cell recognition events?
How do large, uncharged polar molecules pass through a cell membrane?
Fill in the blank: __________________ are big complexes that provide an internal folding cavity for proteins, and are ____________________.
Translation and Primary structure Question
A protein coding polypeptide chain... (select all that apply)
To properly fold, protein X cannot be exposed to any other proteins during the folding process. Which of the following is likely required for protein X to fold properly?
Which of the following is responsible for protein tertiary structure?
A beta sheet is an example of what?
The amino acid serine contains a hydroxyl group on its R-group that is able to form H-bonds. Serine would fit into which group of amino acids?
What is the alpha carbon of an amino acid?
Secondary structure
Secondary structures like alpha helices and beta sheets are held together by
hydrogen
bonds.
Which of the following dictates the 3D protein folding structure?
Membrane Proteins
What is the difference between secondary and tertiary protein structure?