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

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

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Given these structures:(1) ductus deferens (4) ejaculatory duct(2) efferent ductule (5) rete testis(3) epididymisChoose the arrangement that lists the structures in the order asperm cell passes through them from the seminiferous tubules to theurethra.a. 2,3,5,4,1 d. 3,4,2,1,5b. 2,5,3,4,1 e. 5,2,3,1,4c. 3,2,4,1,5
1. Trace the pathway of spermatozoa of the male frog from the place of production up to the place of release from the body in the picture. 2. Trace the pathway of the ova of the female frog from the place of production up to the place of release from the body in the picture. Trace the pathway using an arrow in the picture.
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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
Which of the following is not true about neurulation? Choose all possible answers. a. Segregation of neural ectodermal rudiment from the epidermal ectoderm. b. In primary neurulation, the neural plate thickens along its midline into a solid cord of cells that is displaced internally and cavitates to form a hollow tube. c. In secondary neurulation, the neural plate folds along the anterior-posterior axis of the embryo, forming a tube that detaches from, and is displaced under, the epidermal ectoderm. d. Ectoderm forms the neural tube e. Mesoderm forms the reproductive organs f. Endoderm forms the gut g. All are true about neurulation
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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
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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