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Development Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q
A
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2
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3
Q

what is capacitation?

A
  1. remova of glyco protein of coat
  2. destablization - show acrosome
  3. hyperactive
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4
Q

what receptor does sperm bind to and what layer of the ovum

A

zoma pullucida zp3

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5
Q

what is the fertilization envolope and when does it occur

A

it is after the slow block, it is the thickened perivitaline

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6
Q

fast vs slow block

A

fast: Na+ channels open and depolorizes the cell
Slow: Ca+ released from ER and cortical granules are released into the perivitalline

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7
Q

Proteosomes vs deuterostomes (determinant or indeterminate,, sprial or radial)

A

Proeosomes = determinant and spiral, deuterostomes= radial and indederminant

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8
Q

what stage forms the 3 layers medo ecto and endoderm

A

gastulation

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9
Q

what is archenteron

A

the opening in the gastula

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10
Q

what is the blastopore

A

the indention of the gastula that will form the mouth or anus

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11
Q

what is responsible for HCG

A

trophoblast

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12
Q

what is the trophoblast

A

responsible for the placenta and implantation

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13
Q

the bilaminar disc has two layers what are they

A

epiblast and hypoblast

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14
Q

whats meroblastric cleavage

A

when there is yolk (egg animals)

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15
Q

what is holoblastic

A

it is for placental mammals

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16
Q

what is the grey cresent

A

a mix of the animal pol and vegable pole

17
Q

frogs undergo holoblastic or meroblastic

A

holoblastic

18
Q

Placenta, egg laying, amphibian, sea urchins which have a elongated blastopore and what has a circular blastopore

A

elongated - placenta and egg laying, circular - is flrogs and sea urchins

19
Q

what are anamniotes

A

fish and frogs

20
Q

what is the chorion for

A

for gas exchange

21
Q

what is the alontois

A

it is for transporting or for waste

22
Q

what becomes the umbilical chord in animals

A

alontois

23
Q

what is responsible for RBC production in the embryo

A

yolk sack

24
Q

what is the amnion for

A

shock absorber

25
Q

skull bones and muscles come from what layer

A

ectoderm

26
Q

thyroid comes from what layer

A

endoderm

27
Q

adrenal medula is made of what layer what about its cortex

A

medulla is from the ectoderm, cortex is mesoderm

28
Q

lungs form from what layer

A

endoderm

29
Q

urogenital is made of what layer

A

mesoderm

30
Q

the notochord is made of what layer

A

medoderm

31
Q

cartilage comes from what layer

A

mesoderm

32
Q

what are hox genes

A

they put the organs and tissue in certain locations

33
Q
A
34
Q

Pancreas is made of what layer

A

Endoderm

35
Q

Endocrine glabds made of

A

Endoderm

36
Q

Lungs come from what layer

A

Mesoderm

37
Q

Pns come from what layer

A

Ectoder

my Biology oat (7 decks)

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