Question
Match the given vitamins in Column I with the related proteins in Column II Column I Column II a) Vitamin C 1) Thrombin b) Vitamin K 2) Rhodopsin c) Vitamin A 3) Pyruvate dehydrogenase d) Vitamin $B_1$ 4) Prolyl hydroxylase
The correct answer is
a-4; b-1; c-2; d-3
Vitamin-Protein Matching Explained
This question requires matching vitamins from Column I with their corresponding proteins or enzymes in Column II based on their biological functions.
Column I: Vitamins
- a) Vitamin C
- b) Vitamin K
- c) Vitamin A
- d) Vitamin $B_1$ (Thiamine)
Column II: Proteins/Enzymes
- 1) Thrombin (related to blood clotting factors)
- 2) Rhodopsin (visual pigment)
- 3) Pyruvate dehydrogenase (metabolic enzyme)
- 4) Prolyl hydroxylase (collagen synthesis enzyme)
Matching Process
Here's the step-by-step matching:
- Vitamin C (a): Acts as a cofactor for Prolyl hydroxylase (4), which is crucial for collagen synthesis.
- Vitamin K (b): Essential for the synthesis of blood clotting factors, including the precursor to Thrombin (1) (Prothrombin).
- Vitamin A (c): A precursor to retinal, which forms part of Rhodopsin (2), the light-sensitive protein in the eyes.
- Vitamin $B_1$ (d): Thiamine pyrophosphate (TPP), the active form, is a cofactor for enzymes like Pyruvate dehydrogenase (3).
Final Matching Summary
Based on the functions:
- a) Vitamin C matches with 4) Prolyl hydroxylase
- b) Vitamin K matches with 1) Thrombin
- c) Vitamin A matches with 2) Rhodopsin
- d) Vitamin $B_1$ matches with 3) Pyruvate dehydrogenase
This corresponds to the pairing: a-4; b-1; c-2; d-3.
| Column I (Vitamin) | Column II (Protein/Enzyme) |
|---|---|
| a) Vitamin C | 4) Prolyl hydroxylase |
| b) Vitamin K | 1) Thrombin |
| c) Vitamin A | 2) Rhodopsin |
| d) Vitamin $B_1$ | 3) Pyruvate dehydrogenase |
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Important Questions from Plant Biochemistry Enzymes Reactions
- Match the following digestive enzymes in Column I with their respective functions in Column II.
Column I Column II P. Erepsin (i) converts proteins to peptides Q. Steapsin (ii) activates trypsinogen to trypsin R. Pepsin (iii) converts fat into fatty acid and glycerol S. Enterokinase (iv) converts polypeptides to amino acids - Match the proteins in Column I with the organs in which they are maximally expressed in Column II.
Column I Column II P. Keratin (i) Liver Q. Surfactants (ii) Pancreas R. Pro-carboxypeptidase (iii) Lung S. Albumin (iv) Skin Identify the free radicals (marked as '?') in sequence from the inter-conversion of reactive oxygen species as shown below.
$O_2\rightarrow? \rightarrow H_2O_2 \rightarrow? \rightarrow H_2O$
P. $\mathrm{O}_2^{\bullet -}$
Q. $OH^-$
R. $HO_2^{-}$
S. $\ {}^{1}\mathrm{O}_2$
- Choose the CORRECT set of matches between group I and group II in relation to nitrogen fixation and assimilation
GROUP I GROUP II P. Nitrobacter 1. $NO_3^-$ $\rightarrow$ $NO_2^-$ Q. Nitrite reductase 2. $N_2$ $\rightarrow$ $2NH_3$ R. Nitrogenase 3. $NO_2^-$ $\rightarrow$ $NH_4^+$ S. Nitrate reductase 4. $NO_2^-$ $\rightarrow$ $NO_3^-$ - Select the CORRECT combination by matching Group-I with Group-II.
Group-I Group-II P. Photorespiration 1. Glutamate $\rightarrow$ 2-Oxglutarate Q. Respiration 2. Acetyl-CoA $\rightarrow$ Malonyl-CoA R. Amino acid degradation 3. 2-Oxglutarate $\rightarrow$ Succinyl-CoA S. Fatty acid synthesis 4. Glycine $\rightarrow$ Serine
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