Question
Mention the relationships between pituitary and ovarian hormones during a menstrual cycle.
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| Column I | Column II | ||
| (a) | Chloromycetin | 1 | Streptomyces griseus |
| (b) | Erythromycin | 2 | Streptomyces aurifaciens |
| (c) | Streptomycin | 3 | Streptomyces venezuelae |
| (d) | Terramycin | 4 | Streptomyces erythreus |