comparisons Flashcards

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1
Q

self pollination vs cross pollination

A

self:
- transfer of pollen from another stigma of the same flower on the same plant
- efficient
- no genetic variation

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2
Q

asexual v. sexual

A

asexual
- one parent
- mitotic cell only
- no gamete formation
- no fertilization
- genetically identical

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3
Q

plant response to light v. gravity

A

light
- phototrophism
- shoots grow towards it, root way
- uneven growth in dark side
- auxin moves away from light

gravity
- geotrophism
- shoots away, roots towards
- no uneven growth
- auxin moves towards gravity

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4
Q

nervous vs. hormonal communication

A

nervous
- electrical
- neurones
- direct effect and specific
- short term, reversible

hormonal
- chemical
- blood
- wide spread
- slow response
- long term response
- active at different doses

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5
Q

renal artery vs. renal vein

A

artery
- more o2
- less co2
- more urea
- more H20
- more salt
- towards kidney

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6
Q

meiosis v. mitosis

A

meiosis
- 4 daughter cells
- not genetically identical
- half the number of chromosomes
- gamete formation
- occurs in the testis and ovaries
- homologous line up in pairs

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7
Q

urethra v. ureter

A

urethra- carries urine from bladder to outside
uteter- carries urine from kidney to bladder

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8
Q

breathing v. respiration

A

breathing
- ventillation
- breathing in and out of cell
- involves gas exchange organs

respiration
- aerobic or anaerobic
- oxidation of food
- carries out in cells/tissues

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9
Q

aerobic vs. anaeroboic

A

aerobic
- o2
- produces co2 and H20
- large amount of ATP released
- mitochondria involved

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10
Q

egestion v. excretion

A

egestion
- removal of undigested food
eg. faeces
- removal through anus

excretion
- removal of waste products of metabolism
- eg. sweat, co2, urea
- excretary organs
eg. lungs, skin, urethra

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11
Q

hepatic portal vein vs. hepatic vein

A

hepatic portal vein
- carries blood from ileum to live
- high conc. of gluecose
- high conc. of amino acids
- no urea
- has toxins

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12
Q

xylem v. phloem

A

xylem
- transports water and minerals
- from roots to leaves
- requires energy
- mechanical suport
- dead cells

phloem
- sucrose and aa
- from leaves to source
- uses ATP
- No mechanical support
- living cells

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