Biochem Proteins

10 Questions | By Pharmdnate | Last updated: Mar 21, 2022 | Total Attempts: 3539

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Quiz on biochem. 10 questions about proteins.

Questions and Answers

1.

What are short polypeptides called?
- A.
  
  Primary structures
- B.
  
  Secondary structures
- C.
  
  Polypeptides
- D.
  
  Oligopeptides
2.

What is comprised of alpha-helices or parallel or antiparallel beta-pleated sheets?
- A.
  
  Primary structures
- B.
  
  Secondary structures
- C.
  
  Both A and B
- D.
  
  None of the above
3.

At what amino acids can beta-turns occur?
- A.
  
  Glycine and alanine
- B.
  
  Glycine and proline
- C.
  
  Glutamate and proline
- D.
  
  Glutamate and alanine
4.

Where can disulfide covalent linkages occur between adjacent alpha-helices?
- A.
  
  In keratin
- B.
  
  In the major protein of hair
- C.
  
  In nails
- D.
  
  All of the above
5.

Which of the following is a incomplete dietary protein found in connective tissues?
- A.
  
  Collagen
- B.
  
  Keratin
- C.
  
  RNase A
- D.
  
  All of the above
6.

What is the cause of scurvy?
- A.
  
  Not being exposed to enough sunlight
- B.
  
  Misfolding protiens
- C.
  
  Defective collagen formation
- D.
  
  All of the above
7.

What assists large proteins in folding?
- A.
  
  Prion (prp)
- B.
  
  Amyliod fibers
- C.
  
  Molecular chaperones
- D.
  
  All of the above
8.

What does type 2 diabetes, Alzheimer's disease, Huntinghton's disease and Parkinson's disease have in common?
- A.
  
  They are all forms of spongifoam encephalopathies
- B.
  
  They are caused by amyliodoses
- C.
  
  They are caused by low amounts of dopamine
- D.
  
  They are caused by excessive amounts of dopamine
9.

What disease results from the misfolding of prion (prp)?
- A.
  
  Crutzfeld Jacob Disease (CJD)
- B.
  
  Cystic Fibrosis
- C.
  
  Alzheimer's Disease
- D.
  
  All of the above
10.

Which of the following are forms of spongifoam encephalopathies?
- A.
  
  Mad Cow Disease
- B.
  
  Kuru
- C.
  
  Scrapie
- D.
  
  All of the above