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ANBI 470 > M1 L2 > Flashcards

M1 L2 Flashcards

1
Q

what phase is the corpus luteum present in?

A

luteal

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2
Q

what phase has follicular growth but no ovulation?

A

luteal phase

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3
Q

what phase has low progesterone

A

follicular

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4
Q

what phase has a growth of ovulatory wave

A

follicular

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5
Q

time when LH surge is stimulated by E2

A

estrus

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6
Q

what 2 hormones crash after animal ovulates?

A

LH & E2

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7
Q

What is responsible for producing prostaglandin

A

uterus

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8
Q

prostaglandin function

A

destroys CL

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9
Q

what day does standing estrus occur in a cow

A

day 21

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10
Q

what 2 things vary between species for estrus cycles

A

length & number of ovulations

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11
Q

post ovulatory FSH surge induces ( ) growth rate of follicles from growing pool

A

increased

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12
Q

ejaculated sperm must undergo ( ) before they can be used in IVF

A

capacitation

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13
Q

fixed time AI does not require detection of

A

estrus

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14
Q

the hormone in CDIR is

A

progesterone

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15
Q

ovulated oocytes are at this stage of meiosis

A

metaphase 2

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16
Q

3 components to an immunoneutralization vaccine

A

antigen - self component
carrier-foreign component
adjuvant-immunostimulatory component

17
Q

estrogen stimulates the release of ( ) and inhibits release of ( )

A

LH, FSH

18
Q

FSH causes ( ) cells to secrete () to support ( )

A

sertoli, androgen binding protein, spermatogenesis

19
Q

FSH induces ( ) secretion

A

inhibin

20
Q

2 fates of dominant follicles

A

atretic or ovulate

21
Q

fecundity

A

ability to produce offspring frequently and in large numbers

22
Q

2 ways fecundity can be improved

A

1) reducing generation interval
2) increasing # born per generation

23
Q

immunoneutralization

A

uses antibodies to neutralize hormonal activity

24
Q

active immunoneutralization

A

vaccinate against a hormone by introducing foreign molecule into the body

25
Q

passive immunoneutralization

A

inject specific antibody from different animal

26
Q

within inhibin, the ( ) subunit is well conserved and the ( ) subunit is more divergent

A

beta, alpha

27
Q

activin is made of 2 ( ) subunits

A

beta

28
Q

how to create vaccine against inhibin and inhibin only

A

create response against alpha only bc if it has beta it will also cause issues with activin

29
Q

what do sperm bind to

A

zona pellucida

30
Q

HCG

A

the pregnancy hormone

ANBI 470 (23 decks)

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