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Q. No.Subtopic: Element Analysis |
69%
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When we homogenize any tissues in an acid the acid soluble pool represents
| 1. | Cytoplasm | 2. | Cell membrane |
| 3. | Nucleus | 4. | Mitochondria |
Subtopic: Introduction |
81%
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Identify the correct statement:
| 1. | α amino acids are substituted methanes |
| 2. | Only triglycerides are lipids that are both macromolecules as well as polymers |
| 3. | Cellulose forms secondary helical structures and can hold iodine molecules in the helical portion |
| 4. | Every virus will have both DNA and RNA as its genetic material |
Subtopic: Amino Acids |
76%
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The unique properties of each amino acid is determined by its particular:
1. R group
2. amino group
3. kinds of peptide bond
4. number of bonds to other amino acids
Subtopic: Amino Acids |
88%
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Subtopic: Amino Acids |
91%
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Which of the following is not an aromatic amino acid?
| 1. Phenylalanine | 2. Threonine |
| 3. Tyrosine | 4. Tryptophan |
Subtopic: Amino Acids |
82%
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All the following are examples of basic amino acids except:
| 1. | Lysine | 2. | Histidine |
| 3. | Arginine | 4. | Valine |
Subtopic: Amino Acids |
77%
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Subtopic: Amino Acids |
83%
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At physiological pH, the amino acid exists as a zwitter ion because:
| 1. | It has no net charge. |
| 2. | It has a positive and a negative charge at different parts of the molecule. |
| 3. | It can donate a proton to the surrounding medium. |
| 4. | It can accept a proton from the surrounding medium. |
Subtopic: Zwitter ion & Peptide Bond |
89%
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Subtopic: Zwitter ion & Peptide Bond |
90%
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