Reprod 1: Male reprod

Question 1

how many chromosomes do gametes have

Question 2

in meiosis: how many DNA replications? how many cell divisions?

Question 3

in mitosis: how many dna reps? how many cell divisions?

Question 4

what is the pathway in the hypothalamic pituitary control of reproduction

Question 5

how does GnRH know whether to make FSH or LH

Question 6

high pulses of GnRH neurons code for:

Question 7

low pulses of GnRH neurons code for:

Question 8

wheree are sperm produced

Question 9

where do sprem mature

Question 10

what is the optimal temperature for sperm? what maintains this temp?

Question 11

how many sperm are produced per day

Question 12

what are sertoli cells?

Question 13

what are leydig cells?

Question 14

what is closer to the centre of the testis: sertoli or leydig

Question 15

what do leydig cells secrete

Question 16

what are tight junctions and the blood testis barrier necessary

Question 17

what do sertoli cells have to do with the tight junction

Question 18

What are spermatogonia? when are they formed?

Question 19

what happens to one of the two spematognium?

Question 20

how is a spermatocyte produced?

Question 21

how is a spermatid produced?

Question 22

how is spermatozoa produced?

Question 23

what is spermiogenesis?

Question 24

Describe the full steps of spermatogenesis

Question 25

what is the acrosome responsible for?

Question 26

What does semen contain

Question 27

Whih glands are responsible for secreting chemicals to go in semen

Question 28

semen transfer regulation pathway from erotic stimuli

Question 29

semen transfer regulation pathway from tactile stimili

Question 30

what is the pathway from GnRH to ABP

Question 31

what is the pathway from GnRH to testosterone

Question 32

what is the pathway from GnRH to inhibin

Question 33

What is the pathway from GnRH to spermatogonium

Question 34

What happens when FSH stimulates sertoli cells

Question 35

What happens when LH stimulates leydig cells

Question 36

How is testosterone secreted throughout life

Question 37

how does testosterone turn into DHT

Question 38

what does testosterone do to sex specific tissues

Question 39

what does testosterone do to sex drive, GnRH, LH

Question 40

how does testosterone contribute to secondary sex characteristics

Question 41

what are the nonreproductive effects of testosteerone

Question 42

what happens if you inhibit 5aplpha reductase

Question 43

what does 5reductase inhibitor do to prostate growth