The Biochemistry Trivia Test! Quiz

38 Questions | By Aym1212aym1212 | Last updated: Mar 22, 2022 | Total Attempts: 118

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The Biochemistry Trivia Test! Quiz - Quiz

What do you know about biochemistry? Do you think you can nail this quiz? Biochemistry is the study of the chemical processes that occur in living organisms. The goal of biochemistry is to contribute to a wide array of scientific topics, including stem cell research, genetic research, immunology, pharmacology, forensics, cancer research, environmental science, and food science. Take this quiz and learn more about biochemistry.

Questions and Answers

1.

Kinase uses ATP as the source of phosphate for phosphorylation.
- A.
  
  True
- B.
  
  False
2.

The main reason why phosphorylation of hydroxyl amino acids changes its function is
- A.
  
  Because of the charge of phosphate
- B.
  
  Because of the colour of phosphate
- C.
  
  Because of the size of the phosphate
- D.
  
  Because of the shape of the phosphate
3.

Which of these got the sulfhydryl group?
- A.
  
  Cysteine
- B.
  
  Glycine
- C.
  
  Proline
- D.
  
  Glutamine
4.

Which of these amino acids is found on most of the enzymes active sites?
- A.
  
  Cysteine
- B.
  
  Glycine
- C.
  
  Proline
- D.
  
  Glutamine
5.

When two cysteines oxidize with each other they give a new structure called cystine.
- A.
  
  True
- B.
  
  False
6.

Sulfide bridges are a type of ……… bonds.
- A.
  
  Covalent
- B.
  
  Hydrogen
- C.
  
  Ion-dipole
- D.
  
  Dipole-dipole
7.

Carboxamide group is found in
- A.
  
  Two answers are correct
- B.
  
  Glutamine
- C.
  
  Asparagine
- D.
  
  Tyrosine
8.

Glutamine and asparagine can make hydrogen bonds and they are polar.
- A.
  
  Yes
- B.
  
  No
9.

Arginine R group is called ………… and lysine has ………. amino group and histidine has ……….. amino acid
- A.
  
  Guanidino-epsilon-ring
- B.
  
  Ring-epsilon-guanidino
- C.
  
  Guanidino-ring-epsilon
- D.
  
  Epsilon-ring-guanidino
10.

When histidine is titrated it will carry ….. charge.
- A.
  
  -1
- B.
  
  0
- C.
  
  1
- D.
  
  2
11.

Which R group of those will be the same charge anywhere.
- A.
  
  Glutamine
- B.
  
  Histidine
- C.
  
  Arginine
- D.
  
  Two answers are correct
12.

Is selenium anti-oxidant.
- A.
  
  Yes
- B.
  
  No
13.

Can we find pyrrolysine in our proteins?
- A.
  
  Rarely
- B.
  
  No
- C.
  
  Yes
- D.
  
  Often
14.

Which of these is a protein amino acid?
- A.
  
  Proline
- B.
  
  Carnitine
- C.
  
  Ornithine
- D.
  
  Two answers are correct
15.

Does carnitine have a genetic code?
- A.
  
  No
- B.
  
  Yes
16.

Which of these is important to carry fatty acids as a transporter for oxidant?
- A.
  
  Carnitine
- B.
  
  Citrulline
- C.
  
  Ornithine
- D.
  
  All
17.

Citrulline and ornithine participates in the urea cycle for nitrogen metabolism (not for protein)
- A.
  
  Correct
- B.
  
  Incorrect
18.

Which of these will be titrated firstly?
- A.
  
  Amine in the R group in histidine
- B.
  
  Alpha amine
- C.
  
  Guanidino
- D.
  
  Epsilon amino of the lysine R group
19.

Pepsin is highly activated at PH=…… and trypsin at PH=……..
- A.
  
  2-6
- B.
  
  2-2
- C.
  
  6-6
- D.
  
  6-2
20.

Hydroxyproline is genetically coded since proline is genetically coded.
- A.
  
  False
- B.
  
  True
21.

The enzyme that puts a hydroxyl group on proline in post-modification is called
- A.
  
  Proline hydroxylase
- B.
  
  Proline carboxylase
- C.
  
  Kinase
- D.
  
  Phosphotase
22.

Proline in collagen has gone through post-modification.
- A.
  
  True
- B.
  
  False
23.

Gamma carboxy glutamic has …. carboxylic groups.
- A.
  
  3
- B.
  
  1
- C.
  
  2
- D.
  
  4
24.

The most important thing in hydroxylating of proline is to give him ……. stability.
- A.
  
  Thermal
- B.
  
  Structural
- C.
  
  Size
- D.
  
  Colour
25.

Carboxy glutamic is important in some clotting factors.
- A.
  
  True
- B.
  
  False