All embryonic planning of body’s regions from head to toe, literally arranged accordingly. The ....... that form them are basically the same amongst all organisms
nucleotides
gametes
glycoproteins
7. In spermatogenesis, diploid spermatogonium divide into two diploid spermatocytes via ......; these undergo ..... to become two haploid secondary spermatocytes; these undergo ........ to become four haploid ..........
mitosis; meiosis I; meiosis II; spermatids.
meiosis I; meiosis II; mitosis; spermatocytes.
meiosis I; meiosis II; mitosis; spermatids.
mitosis; meiosis I; meiosis II; spermatocytes
8. Something with an acrosome full of genetic material and a mid-section full of mitochondria is a what?
Spermatid
Spermatozoon
Spermacyte
Spermatocerus
Spermocerus
Spermatogonium
9. ..... describes a cell with 46 chromosomes; ..... describes a cell with 23 chromosomes.
Diploid; haploid
Haploid; diploid
10. Spermatozoon usually meets the ovum in the ‘ampulla’, or top bit. It has to burrow through the .........., and then the......... (a matrix of glycoproteins). Complimentary proteins in the ....... cause a release of enzymes, allowing the spermatozoon to pa
corona radiata; zona pellucida; cortex.
corona radiata; zona pellucida; acrosome.
zona pellucida; corona radiata; cortex.
zona pellucida; corona radiata; acrosome.
11. ‘.......’, or cell death, is highly regulated. Everything happens within the cell, otherwise the enzymes could escape and affect other cells. Once cell’s contents are broken down by...... (as coded by the cell itself), the cell gets phagocytosed by.....
Meiosis; carbohydrase; leucophages
Apoptosis; protease; macrophages
Mitosis; lipase; microphages
12. In oogenesis, a secondary oocyte would undergo .......
meiosis II
meiosis I
13. Fertilised egg is called a ......; first division, complete at about 30 hours, constitutes a couple of ..........; a solid mass of these after a few days is called a ........ (it’s usually got to the uterus by this point). Further divisions lead to format
14. Diploid oogonia cells can undergo ...... and become primary oocytes. However they pause in prophase I until menstruation; ....... resumes each month, culminating in two daughter cells with equally divided chromosomes (remember one gets lots of cytoplasm a
Mitosis
Meiosis I
Meiosis II
15. ........means the production of the female gamete, or ovum.
Oogenesis
Meiosis
Gametogenesis
16. With extrinsic apoptosis, the signal to release protease internally comes from .....; it is used in embryonic development because unnecessary, outdated, ‘.........’ stuff like organs develop and you need to sort these out.
other cells; transitory
the cell itself; phlebotomy
17. In the testes, in the sperminiferous tubules, in spermatogonia, what happens?
Fertilisation
Spermatogenesis
Eschatology
18. Regarding cerebral events that affect spermatogenesis:
The......releases ......., releasing hormone GNRH, affecting anteriorpituitary gland which releases lutenising hormone and ollicle stimulating hormone, which interact with sexual organs.
basal ganglia; dopamine
hypothalamus;gonadotropin;
medulla oblongata; testosterone
19. After the spermatozoon has passed through the corona radiata and zona pellucida, ............inside the secondary oocyte go through the layers (........ membrane, ........space) from the middle.
Diploid cells; vitelline; perivitelline
haploid cells; perivitelline; vitelline
cortical granules; vitelline; perivitelline
cortical granules; perivitelline; vitelline
20. With intrinsic apoptosis, the signal to release protease internally come from ......
