MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How many amino acid residues are there in per turn of -helix? |
| A. | 3.6 |
| B. | 4.6 |
| C. | 3.0 |
| D. | 2.5 |
| Answer» B. 4.6 | |
| 2. |
How is the secondary structure of a protein stabilized? |
| A. | Van der wall forces |
| B. | Hydrogen bonding |
| C. | Covalent bond |
| D. | Hydrophobic bond |
| Answer» C. Covalent bond | |
| 3. |
What is the maximum wavelength that Tryptophan and tyrosine absorb? |
| A. | 280nm |
| B. | 260nm |
| C. | 257nm |
| D. | 230nm |
| Answer» B. 260nm | |
| 4. |
A solution of L-alanine (4.0g/50 ml of 6 N HCl) has a rotation of +1.61 in a 2dm polarimeter tube. Calculate the specific rotation of L-alanine in 6 N HCl. |
| A. | +15.1 |
| B. | +10.1 |
| C. | +11.1 |
| D. | +16.1 |
| Answer» C. +11.1 | |