What linkage is shown in the following figure [indicated by an arrow]?
1. β-1,4-glycosidic bond 2. α-1,4-glycosidic bond 3. α-1,β-4-glycosidic (head-to-head) linkage 4. α-4,β-1-glycosidic (head-to-head) linkage |
In the given diagram showing two helices A and B:
1. A is left handed helix and B is right handed helix
2. A is right handed helix and B is left handed helix
3. Both are right handed helices
4. Both are left handed helices
Which of the following diagrams represents the ‘micelle’ formation by amphiphilic molecules in a non polar organic solvent?
1. | 2. | ||
3. | 4. |
The number of water molecules needed to hydrolyze a polymer made of 51 monomers will be:
1. 1 | 2. 25 |
3. 50 | 4. 51 |
Identify the biopolymer show in the diagram and the constituent monomer shown within the brackets:
1. Cellulose and β – D Glucose
2. Agarobiose and 3,6-anhydro-L-galactopyranose
3. Chitin and N-acetyl-D-glucosamine
4. Peptidoglycan and N-acetylmuramic acid
Consider the given two statements:
I: | Living organisms defy the Second Law of Thermodynamics. |
II: | They are able to increase their level of organization. |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect
Consider the given two statements:
I: | Any exposure to extreme stresses can disrupt a protein's interaction and inevitably lead to denaturation. |
II: | Protein folding consists of a balance between a substantial amount of weak intra-molecular interactions within a protein. |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect
Consider the given two statements:
I: | Arachidonic acid is a conditionally essential fatty acid. |
II: | It does become essential if a deficiency in linoleic acid exists. |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect
Shown below is a level of structural organization of a protein. Which of the following proteins attains its final form as this structure?
1. Keratin | 2. Fibroin |
3. Tropo-collagen | 4. Myoglobin |
Given below is the structure of a lipid. The excess of this compound in human blood can lead to:
1. | Alzheimer’s disease | 2. | Phenylketonuria |
3. | Atherosclerosis | 4. | Rheumatoid arthritis |
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