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48. Statement 1: Acrosome is cap like organelle on sperm's head and containsdigestive enzyme Hyaluronidases for penetration. Statement 2: Male urethra is also called urinogenital duct. Female urethra is calledurethra only1) 1 & 2 are correct3) 1 is correct2) 1 & 2 are wrong4) 2 is correct |
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Answer» Answer: 1 & 2 are correct Explanation: The acrosome is an organelle that develops over the anterior half of the head in the spermatozoa (sperm cells) of many animals INCLUDING humans. It is a cap-like STRUCTURE DERIVED from the Golgi apparatus. In Eutherian mammals the acrosome contains degradative enzymes (including hyaluronidase and acrosin). Urethra is CALLED urinogenital duct - Urine passes through urethra during micturition. Also semen in male is passed through urethra at the time of coitus. urethra, it is called urogenital duct. |
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