MCQ
Receptors for protein hormones are located
- AIn cytoplasm
- ✓On cell surface
- CIn nucleus
- DOn endoplasmic reticulum
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| Amino acid | R group |
| A. Glycine | i. Hydrogen |
| B. Alanine | ii. A methyl group |
| C. Serine | iii. Hydroxymethyl group |
| D. Alanine | iv. Isopropyl group |