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Which function of a sperm would be eliminated if a sperm lacked an acrosome?

A.

Fully mature and leave the epididymis

B.

Travel through the male reproductive ducts

C.

Develop a full set of chromosomes

D.

Breach end fertilize the ovum

Answer and Explanation

The Correct Answer is D

A. Fully mature and leave the epididymis: The acrosome does not play a role in sperm maturation or their release from the epididymis.

B. Travel through the male reproductive ducts: Movement through the reproductive ducts relies on the sperm's flagellum and muscle contractions, not the acrosome.

C. Develop a full set of chromosomes: Chromosome development occurs during spermatogenesis and is unrelated to the acrosome.

D. Breach and fertilize the ovum: The acrosome contains enzymes that allow the sperm to penetrate the ovum during fertilization. Without an acrosome, the sperm would be unable to breach the egg’s outer layer.


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Related Questions

Correct Answer is A

Explanation

A. Progesterone: During the luteal phase, the corpus luteum produces the highest levels of progesterone, which is crucial for preparing the uterine lining for potential implantation.

B. LH: Luteinizing hormone (LH) peaks just before ovulation, not during the luteal phase.

C. FSH: Follicle-stimulating hormone (FSH) is primarily active during the follicular phase and has lower levels during the luteal phase.

D. Estrogen: While estrogen levels do rise during the luteal phase, they do not peak as high as progesterone does.

Correct Answer is B

Explanation

A. The testes would not maintain the proper temperature: Temperature regulation of the testes is controlled by the scrotum and muscles, not the prostate.

B. The flow of urine may be blocked or slowed: Benign prostatic hyperplasia (BPH), or an enlarged prostate, can compress the urethra, leading to difficulty urinating or weak urine flow.

C. Seminal fluid would not have the proper pH: The prostate contributes fluids to semen, but BPH typically affects urine flow more than seminal fluid pH.

D. Sperm would not be allowed to fully mature: Sperm maturation occurs in the epididymis, not in the prostate.

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