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BIO 111 > Lab Final > Flashcards

Lab Final Flashcards

1
Q

Kinetin is found in

A

the roots

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2
Q

kinetin promotes

A

cell division

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3
Q

IAA is found in

A

growing apex of plant and transported down lateral buds

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4
Q

IAA promotes

A

cell elongation

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5
Q

ion flow won’t happen when concentrations are

A

equal inside and outside the neuron

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6
Q

what is the nerve impusle lab drug order from fastest to slowest

A

(fastest) tetrodotoxin, ether, ouabain (slowest)

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7
Q

ether causes

A

membranes to swell
(loss of signal transmission by neurons)

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8
Q

tetrodotoxin causes

A

sodium ion channels to be blocked
(loss of signal transmission by neurons)

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9
Q

ouabain causes

A

the sodium/potassium pump in neuron membrane to stop
(loss of signal transmission by neurons)

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10
Q

how do tracheophyte plants move water most often

A

water potential differences

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11
Q

when pressure in cuff is below diastolic pressure

A

there is no constriction in the arm artery

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12
Q

when pressure in cuff is above systolic pressure

A

all blood flow is cut off

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13
Q

when pressure cuff partially blocks arm artery

A

there is turbulent blood flow, which will make a sound (Korotkoff sounds)

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14
Q

fiber type: A-alpha

A

motor neurons for muscle contraction

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15
Q

fiber type A-beta

A

sensory neurons for pressure and touch

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16
Q

Fiber type: A-delta

A

sensory neurons for fast pain

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17
Q

Fiber type: C

A

sensory neurons for slow pain

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18
Q

order of muscle fiber thickness

A

(Thinnest) A-alpha, A-beta, A-delta, C, (Thickest)

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19
Q

SA node depolarization

A

atria contracts

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20
Q

xylem transports

A

water and dissolved minerals up from roots

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21
Q

phloem transports

A

organic compound manufacted by plants downwards

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22
Q

AV node depolarization

A

delayed contration of ventricular muscle

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23
Q

monocot

A

sprouts one leaf
parallel venation
multiples of 3 flowering parts

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24
Q

eudicots/dicot

A

sprouts 2 leaves
netted venation
multiples of 4/5 flowering parts

25
Q

high iaa/kinetin ratio

A

suppression of lateral shoot growth

26
Q

low iaa/kinetin ratio

A

stimulated lateral shoot growth

27
Q

more iaa means

A

less lateral growth

28
Q

Xylem is

A

inside
dead

29
Q

phloem

A

outside
live

30
Q

Ys =

A

-iCRT, where

i = ionization constant
C = concentration of solute in moles/liter
R = Gas constant, 0.0831 liter bars/mole K
T = Temperature, K

or… = -(.0831)(Temp in K)(Molarity)

30
Q

If an individual suffers from advanced polycystic kidney disease, the fluid
filled cysts replace

A

nephrons

31
Q

Bisphenol A is similar in structure to…

A

estrogen

32
Q

Triclosan is similar in structure to…

A

estrogen and thyroid hormone

33
Q

ecdysone is similar in structure to

A

steroids

34
Q

hemoglobin has a higher affinity for O2 when pH is

A

higher

35
Q

apoplastic

A

not living

36
Q

symplastic

A

living

37
Q

acetylcholine binding to dendrites causes cell to ___polarize

A

de

38
Q

what hormone acts to increase circulating levels of
blood glucose

A

epinephrine

39
Q

birds release ___ as waste

A

uric acid

40
Q

birds have a __ chambered heart

A

4

41
Q

carbonic anhydrase

A

assists in the production of carbonic acid

42
Q

CO2 circulation occurs by ___ in the lowest proportion

A

dissolving in plasma

43
Q

sprouting occurs bc

A

stored carbs are transported into phloem

44
Q

HIV infects

A

helper t cells
(NOT cytotoxic t cells)

45
Q

mast cells

A

secret histamine

46
Q

macrophages

A

engulf pathogens

47
Q

calcium binds to (troponin/tropomyosin)

A

troponin

48
Q

what secretes antidiuretic hormone

A

posterior pituitary

49
Q

keytruda

A

blocks ligand binding on T cells

50
Q

what produces stress hormone

A

adrenal cortex produces cortisol

51
Q

CdK

A

is a component of MPF

52
Q

cytotoxic t cells

A

kill virus infected cell
mature in thymus gland
interact with antigens

53
Q

at 7 weeks

A

gonad development differentiations and male embryos inhibit mullerian

54
Q

alternative splicing occurs in the

A

nucleus

55
Q

what doesn’t require E input

A

peptide bond formation

56
Q

peptidyl transferase is located in ___ and forms a bond between ___

A

large ribosomal subunit
bond form between Carboxyl terminus of new AA and amino terminus of growing chain

57
Q

leading strand during DNA replication is made w/template strand that runs

A

3 -> 5

58
Q

during transcription, sense strand of DNA

A

is copied exactly (beside U + T)

BIO 111 (5 decks)

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