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Wize University Biology Textbook > Chemistry of Life

From Monomers to Polymers

4 Activities

Wize University Biology Textbook > Chemistry of Life

Lipids

8 Activities

Wize University Biology Textbook > Chemistry of Life

Proteins

8 Activities

Choose the false statements:




More From Monomers to Polymers Questions:
Practice: Fatty Acids
What chemical reaction occurs to join fatty acids monomers and what is the linkage called?
Practice: Fatty Acids
What chemical reaction happens to join fatty acids monomers and what is the linkage?
lipids
What chemical reaction happens to join the monomers of lipids and what is the linkage?
Practice: Fatty Acids
What chemical reaction happens to join fatty acids monomers and what is the linkage?
lipids
What chemical reaction happens to join monomers and what is the linkage?
Which of the following (can) form polymers
Practice: The Importance of Carbon
What makes carbon an important element?
How many molecules of water would be released after dehydration synthesis of 10
monomers into a polymer that is 10 monomers long?
More Lipids Questions:
Practice: Cholesterol
Which of the following is FALSE?
Practice: Cholesterol
Which statement is FALSE about cholesterol?
Practice: Cholesterol
Which statement is FALSE about cholesterol?
Practice: Fatty Acids
What portion of a fatty acid, CH3(CH2)nCOOH, is considered hydrophilic?
Lipid rafts are regions of membrane which have different constituent lipids, and which tend to be less fluid than surrounding regions of membrane. Lipid rafts are enriched in sphingomyelin, which is similar to phospholipids, and which has a fatty acid tail. Based on what you know about lipid rafts, predict the characteristics of the sphingomyelin fatty acid tail.
Triacylglycerol
Which statement is INCORRECT about triacylglycerols?
Cholesterol
Which statement is FALSE about cholesterol?
Practice: Cholesterol
Which statement is FALSE about cholesterol?
Cholesterol
Practice: Cholesterol
Which statement is FALSE about cholesterol?
Practice: Fatty Acids
What portion of a fatty acid, CH3(CH2)nCOOH, is considered hydrophilic?
Practice: Cholesterol
Which statement is FALSE about cholesterol?
Triglyceride
What are the contents of a triglyceride?
Which of the following go together?
Membrane phospholipids include what features
Triacylglycerol
Which statement is INCORRECT about triacylglycerols?
Cholesterol
Which statement is FALSE about cholesterol?
Practice: Fatty Acids
Which statement about fatty acids is false?
Practice: Liposomes
Which of the following best describes a liposome?
Practice: Cholesterol
Which statement is FALSE about cholesterol?
Practice: Fatty Acids
Which statement about fatty acids is false?
A mesophile with a mutation in the promoter of the desaturase gene is grown at low temperatures. What would be the phenotype of this membrane?
Which of the following lipids is NOT a major component of cell membranes?
What is a triacylglycerol?
Which of the following is a component of a fatty acid?
On a lipid membrane, what fatty acid chains would most favor high fluidity?
Which of the following best describes a liposome?
Compared to plant fats, why are most animal fats solid at room temperature?
Which of the following lipids is rigid, planar and amphipathic?
How many linkages are required to generate a triacylglyceride from glycerol and fatty acids?
What portion of a fatty acid, CH3(CH2)nCOOH, is considered hydrophilic?
In your own words, explain how cholesterol modulates membrane fluidity.
Lipid rafts are regions of membrane which have different constituent lipids, and which tend to be less fluid than surrounding regions of membrane. Lipid rafts are enriched in sphingomyelin, which is similar to phospholipids, and which has a fatty acid tail. Based on what you know about lipid rafts, predict the characteristics of the sphingomyelin fatty acid tail.
Membrane Proteins
Determine whether the following lipids will spontaneously form a lipid bilayer or micelle (Enter bilayer or micelle as your answer)
when placed in an aqueous solution. Explain your answers.
Membrane Proteins
Phospholipids, glycolipids, and sterols are major constituents of cellular membranes. Categorize each of the following compounds as one of the three, and explain how you can tell which is which.
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
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
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
Membrane Proteins
What is the difference between secondary and tertiary protein structure?