3-6. Sex cell that consists of a head (containing haploid nucleus), midpiece and tail: d. spermatozoon++
3-7. Chromosome number in the nucleus of spermatozoon: b. haploid++
3-8. Structures of spermatozoon that contain microtubules: d. axoneme++
3-9. Nucleus of the spermatozoon is situated in: a. head++
3-10. Which part of spermatozoon contains mitochondria: c. middle piece++
3-11. The part of spermatozoon that contains proximal centriole: b. connecting piece++
3-12. Acrosome of spermatozoon represents a derivative of: e. Golgi complex++
3-13. On the electron micrograph of the spermatozoon transverse section one can see axial filament surrounded by mitochondria. Section of which part of the spermatozoon is it: c. middle piece++
3-14. Which is the correct sequence of embryogenesis: e. fertilization – cleavage – gastrulation – histogenesis and organogenesis++
3-15. Fertilization takes place in: a. outer third of the uterine tube++
3-16. The process of union of a sperm and an ovum in order to form a zygote is called: a. fertilization++
3-17. Rheotaxis is the ability of spermatozoon for: c. upstream movement in a flowing liquid+++
3-18. Chemotaxis is ability of spermatozoon for: e. directional migration due to a chemical stimulus++
3-19. Capacitation is: a. a change in spermatozoon whereby it aquires the ability to fertilize an ovum ++
3-20. Process that occurs during contact interaction between gametes (in course of fertilization): a. acrosomal reaction ++
3-21. Acrosomal reaction is the process of: c. excretion of hyaluronidase and tripsin by acrosome++
3-22. Which of the cell structures takes part in the formation of fertilization membrane of zygote: d. cortical granules++