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1
Q

what is disruptive selection

A

acts against intermediate traits

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2
Q

what is stabilizing selection

A

selects intermediate traits

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3
Q

what is balancing selection

A

favors extreme trait favors multiple alleles like polymorphism (malaria and sickle cell)

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4
Q

what is direction selection

A

favors one extreme

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5
Q

what is the cortical reaction

A

it is the slow block of polyspermy - cortical granule to form a fertilization membrane to

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6
Q

what is the acrosome reaction

A

sperm releases hydrolytic enzyme from sperm to fuse with egg

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7
Q

what is the slow and fast block

A

slow is the cortical reaction ( cortical granules form a membrane)
fast is when the Ca+ is realised depolorizing the cell and prevents the sperm from entering

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8
Q

what phyla has joint appendadges

A

anthropoda

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9
Q

what skips genations auto/xlink dom/rec

A

autosomal recessive

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10
Q

all generations affected auto/xlink dom/rec

A

auto dominant

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11
Q

if father is affected all daughters affected auto/xlink dom/rec

A

x link dominant

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12
Q

male increase affected father never to son auto/xlink dom/rec

A

x link recessive

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13
Q

SDS page is for

A

seperating proteins by mass

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14
Q

gel electrophoresis is for

A

seperates dna based on charge

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15
Q

southern blotting is for

A

is for dna (SNOW DROP)

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16
Q

northern blotting is for

A

rna

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17
Q

western blotting is for

A

proteitns

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18
Q

xylem is for _____ phloem is for ______

A

xylem is for water phloem is for nutrients

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19
Q

PTH ____ Ca+
Calcitonin ____ Ca+
Calcitrol ____ Ca+

A

PTH __increases__ Ca+
Calcitonin __decreases__ Ca+
Calcitrol ___increases_ Ca+ (via digestive system)

20
Q

layers of skin

A

come lets get some beer, corneum, lucidum granulosome spinosum basale

21
Q

G1, G2,M, S put in order and what do they do

A

G1 growth
s - synthesis (dna replication)
G2 growth
M itosis (cell division)

22
Q 
Which of the following organelles would you expect to find in a prokaryotic cell?
 A. Mitochondria 
 B. Endoplasmic Reticulum 
 C. Lysosome 
 D. Nucleus 
 E. Ribosome
A

E ribosomes

23
Q

what are pili

A

bridges between bacteria for conjugation

24
Q

what ion leaks into cell for resting membrane

A

K+

25
Q

Limbic system is for

A

emotional and memory processing

26
Q

medulla is for

A

breathing and heart rate

27
Q

amygdal

A

memory considation

28
Q

cerebellum

A

motor control balance

29
Q

occipital lobe

A

vision

30
Q

what directly effects the sa node

  • central nervous system
  • autonomic nervous system
A

central

31
Q

what is tranduction

A

when a phage infects a bacteria

32
Q

Which of the following would be the effect of a decrease in aldosterone on the distal convoluting tubule and collecting duct
A. Increase water reabsorption
B. Decrease water excretion
C. Increase in the amount of water in filtrate

A

C. Increase in the amount of water in filtrate

33
Q

what pairs during meiosis that mitosis does not (sister chromatids or homologous chromosomes)

A

homologous chromosomes

34
Q

when does Homologous chromosomes pair

A

meoisis prophase 1

35
Q

when does A Separating of sister chromatids happen

A

anaphase 2 (meoisis) and anaphase in mitosis

36
Q

what describes a yeast
B. Prokaryotic
C. A type of fungi

A

C

37
Q

slime mold is under what kingdom and what domain

A

protist eukarya

38
Q

non disjunction for meisosis 1 vs 2

A

1: 3,3,1,1
2: 3,2,2,1

39
Q

what is commensalism

A

a free loading organisms that does not harm the animal that is helping it

40
Q

How many nucleotides is required for 90 codons?

A

270

41
Q

what phase happens when the corpus luteum is there

A

lueteal phase

42
Q

what causes a oxygen curve to shift right? Does this mean oxigen is held, or released?

A

CO2, Acid, DPG, Exercise, Temp (CADET face right) oxigen is held

43
Q
A
44
Q

what is binary fission

A

bacteria cell division

45
Q

what is binary fission

A

bacteria cell division

46
Q

what phase does synapses occur

A

in prophase 1

47
Q

deuterostome
radial of spiral cleavage
determinate or indeterminate

A

deuterostome
radial
indeterminate

my Biology oat (7 decks)

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