Most common element present in human body is:
1. | Oxygen | 2. | Carbon |
3. | Hydrogen | 4. | Sulfur |
When we homogenize any tissues in an acid the acid soluble pool represents
1. | Cytoplasm | 2. | Cell membrane |
3. | Nucleus | 4. | Mitochondria |
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 |
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
The simplest α amino acid is:
1. Glycine | 2. Alanine |
3. Serine | 4. Lysine |
Which of the following is not an aromatic amino acid?
1. Phenylalanine | 2. Threonine |
3. Tyrosine | 4. Tryptophan |
1. | Lysine | 2. | Histidine |
3. | Arginine | 4. | Valine |
1. | Glycine | 2. | Alanine |
3. | Serine | 4. | Lysine |
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. |
1. | 2. | ||
3. | 4. |