DAT REVIEW FINAL Flashcards

1
Q

Schizocoeloms

A

separation of mesodermal cells during development.

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2
Q

Enterocoeloms

A

outpocketing of the embryonic gut into mesodermal space.

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3
Q

what happens during diastole

A

atria contract
av valves open
closing of semilunar valves

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4
Q

what happens during the systole phase

A

ventricles contract
av valves close
semilunar valves open

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5
Q

function of yeast under anaerobic respiration

A

oxidize NADH to NAD+

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6
Q

cholecyotokinin is what

A

hormone

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7
Q

cholecystokinin stimulates what

A
  1. gall bladder to release bile
  2. pancreas to release lipases
  3. decreases the motility of the stomach to provide more time for duodenum to digest fat
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8
Q

desmosomes

A

cell to cell adhesion

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9
Q

hemidesmosomes

A

cell to ECM connection

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10
Q

product of light dependent reaction

A

O2, ATP, NADPH

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11
Q

product of light independent reaction

A

Glucose, ADP, NADP+

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12
Q

hypothalamus controls what

A

thirst hunger sleep and temp

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13
Q

DNA polymerase always elongates in what direction

A

5 to 3

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14
Q

Cadet stands for

A
carbon dioxide
acid
2,3 diphosphoglycerate
Exercise
Temperature
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15
Q

An increase in Cadet will shift in what direction

A

right

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16
Q

decrease in cadet will shift in what direction

A

left

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17
Q

what initiates membrane potentials

A

release of acetylcholine at the neuromuscular junction which triggers an action potential

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18
Q

where does translocations happen

A

elongation of translation

19
Q

3 stop codons

A

UGA UAA UAG

20
Q

name the steps for alternation of generation

A

sporophyte - meiosis - spores - mitosis - gametophyte - gametes - zygote - mitosis - sporophyte

21
Q

another name for hypodermis

A

subcutaneous tissue

22
Q

what is oxidative phosphorylation (made up of what two things)

A

made up of electron transport chain and chemiosmosis (diffusion of ions across a semi permeable membrane)

23
Q

reflex arc

A

muscle movement coordinated by the spinal cord instead of the brain

24
Q

concentric contraction

A

muscle shortened

25
Q

eccentric contraction

A

muscle is lengthened

26
Q

isometric contraction

A

muscle tenses but length reamins the same

27
Q

Anterior pituitary produces what

A
FLAT HP
FSH
LH
ACTH
TSH
HGH
prolactin
28
Q

posterior pituitary produces what

A

oxytocin and ADH

29
Q

pineal gland produces what

A

melatonin

30
Q

steps for embryonic development

A
zygote 
morula (solid ball)
blastula (hollow sphere of cells) 
bastocyst
gastrula  (3 layers formed) replaces the hollow sphere
31
Q

what two hormones have negative feedback on the hypothalamaus and pituitary gland?

A

estrogen and progestoerone

32
Q

bacteria naming hints

A
staph = grape like clustes
diplo = pairs
strep = chain
coccus = spherical 
bacillus = rod like
33
Q

antibodies such as IgG does what

A

destroy antigens by binding to them with one of their variable binding sites.

34
Q

what is the variable sites of IgG (relates to all the other ones..)called?

A

hypervariable region contains residues that binds to corresponding antigens

35
Q

bile is made where? stored? and secreted through what tube?

A

liver
gallbladder
common bile duct

36
Q

def of nondisjunction

A

failure of one or more chromosome pairs to separate properly during anaphase. ends up producing daughter cells with the incorrect number of chromosomes.

37
Q

function of aldoesterone

A

increase Na+ reabsorption and K+ excretion, H20 reabsorption, increase blood volume and blood pressure (targets the kidneY)

38
Q

bacterial cell walls are made out of what

A

peptidoglycan

39
Q

ligaments connect what

A

bone to bone

40
Q

tendons connect what

A

muscle to bone

41
Q

what cells secrete glucagon which raises blood sugar?

A

alpha cells

42
Q

what cells secrete insulin which lowers the blood sugar

A

beta cells

43
Q

hypothyroidism

A

reduced matabolic rate
- lethargy
- weight gain
low heart and respiratory rate

44
Q

hyperthyroidism

A

increased metabolic rate

  • hyperactivity
  • weight loss
  • anxiousness