Quiz
Protein Quiz
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Questions in this quiz (17)
1Which organic molecules can be found in protein?
- ACarbon, helium, oxygen, sulfur, nitrogen
- BCarbon, hydrogen, oxygen, nitrogen, iron
- CCarbon, hydrogen, oxygen, iron, sulfur
- DCarbon, hydrogen, oxygen, nitrogen, sulfur
- ECarbon, hydrogen, oxygen, nitrogen, silicon
2Check the statement that is true.
- AAll proteins only consist of one amino acid.
- BA monomer is one or more amino acids linked in a chain like beads on a string.
- CA polypeptide is another name for a polymer.
- DAll amino acids are linked in a chain by van der Waals interactions.
3The natural state of an amino acid is an L-isomer.
- ATrue
- BFalse
4The [blank_start]amino group[blank_end] is what distinguishes an amino acid.
- Aamino group
5A D-isomer is an upside down mirror image of an L-isomer.
- ATrue
- BFalse
6The side chain (R) fo an amino acid always contains a hydroxyl group/
- ATrue
- BFalse
7The R group determines how the protein folds.
- ATrue
- BFalse
8Which statements below are true?
- AElectrons are evenly shared in a non-polar amino acid.
- BElectrons are evenly shared in a polar amino acid.
- CNon-polar amino acids attract water molecules.
- DPhenylalanine is a sulfur containing amino acid.
- EPolar amino acids have a neutral charge.
9Cysteine and methionin both contain sulfur.
- ATrue
- BFalse
10A negative charge is [blank_start]acidic[blank_end], while a positive charge is [blank_start]basic[blank_end].
- Aacidic
- Bbasic
- Cbasic
- Dacidic
11Proteins are naturally synthesized starting at the...
- AN-Terminus (amine end)
- BC-Terminus (carboxyl end)
12What is important for the folding of proteins?
- AThe hydroxyl group on the Carboxyl end of a polypeptide chain.
- BThe alpha carbon.
- CThe polarity of the H atom.
- DWhether the molecule is a D-isomer or an L-isomer.
- EThe forming of a disulfide bridge under oxidising conditions.
13Thermophobic means stable at high temperatures.
- ATrue
- BFalse
14Cysteine is always the first amino acid in a polypeptide chain.
- ATrue
- BFalse
15In a secondary protein structure, the alpha helix and beta pleated sheet are held in place by which type of bond?
- AHydrogen bonds
- BIonic bonds
- CVan der Waals forces
- DCovalent bonds
16The C-terminus always contains an aldehyde.
- ATrue
- BFalse
17Hydrogen bonds are not the result of a dehydration reaction.
- ATrue
- BFalse
Information
- Description
- Quiz on Protein Quiz, created by Brandon Baldwin on 06/03/2017.
- Author
- Brandon Baldwin
- Language
- English
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