Each seminiferous tubule is lined by male germ cells called:
1. | Spermatogonia | 2. | Primary spermatocytes |
3. | Sertoli cells | 4. | Leydig cells |
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Seminal plasma is rich in:
1. Sucrose, calcium and certain enzymes
2. Glucose, sodium and certain enzymes
3. Fructose, calcium and certain enzymes
4. Fructose, sodium and certain enzymes
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For normal fertility, what percent of the sperm in ejaculate must exhibit normal morphology?
1. | 20 | 2. | 30 |
3. | 40 | 4. | 60 |
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