NE The black line drawn across this photomicrograph of a seminiferous tubule represents the line of demarcation between which of the following ? Immediately above Immediately below A. Cells undergoing meiosis II Cells undergoing meiosis I B. Cells undergoing spermatocytogenesis Cells undergoing spermiogenesis C. Cells undergoing spermatogenesis Vascular system D. Cells undergoing spermiogenesis Myoid cells

In the microscopy image above, the structure that remains after the mature ovum leaves the ovary is numbered Select one: а. 3 b. 1 с. 5 d. 2 5 3

Human Reproduction Identify (make a line with name) and give functions of the following structures (full sentences).

Which of the following features are correct regarding this female organism? (several answers must be selected). O Its real size is > 15 000 000 nm Eukaryote O Its cells possess a cell wall O Possesses Seminiferous tubules

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Which of the following cells is NOT a male gamete? Select one: a. Sertoli cell b. Mature sperm c. Secondary spermatocyte d. Spermatozoon  e. Spermatid

Sperm cells originally come from a diploid cell called a… Group of answer choices   A. secondary oocyte B. primary spermatocyte C. gonadal cell D. acrosome E. seminiferous cell

Fast block to polyspermy is achieved by: Select one: O a. membrane depolarization O b. action potential Oc. proteasomal degradation of sperm Od. proteasomal degradation of sperm receptors actin polymerization

Help me with both of this pleaseeeee    Sperm capacitation differs from fertilization because capacitation is the:  Group of answer choices A. ) change from the spermatid to a mobile sperm in epididymis B.) entry of the sperm into a receptive oocyte C.) loss of the sperm's acrosome covering to release enzymes D. ) depolarization of the oocyte membrane by the sperm      Which of the following hormones is NOT released by the placenta?                                     Group of answer choices A. ) relaxin b.) oxytocin c.) human chorionic thryotropin (hCT) d. ) lactogen (hPL)

In humans, how many functional gametes are produced by spermatogenesis and oogenesis? Select one: a. Spermatogenesis Oogenesis One Four b. Spermatogenesis Oogenesis Four One c. Spermatogenesis Oogenesis Four Four d. Spermatogenesis Oogenesis One One