4.2 Karbohidrat Flashcards

1
Q

tiga jenis karbo utama

A
  1. monosakarida
  2. disakarida
  3. polisakarida
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2
Q

jenis karbo monosakarida

A

agen penurun / gula penurun

  1. glukosa
  2. fruktosa
  3. galaktosa
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3
Q

jenis disakarida

A

Kondensasi (hasilkan air)
glukosa + glukosa = maltosa + air
glukosa + fruktosa = sukrosa + air
glukosa + galaktosa = laktosa + air

Hidrolisis (tambah air)
maltosa + air = glukosa + glukosa
sukrosa + air = glukosa + fruktosa
laktosa + air = glukosa + galaktosa

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4
Q

apakah gula bukan penurun

A

sukrosa

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5
Q

contoh disakarida

A

maltosa dalam bijirin
fruktosa dalam buah
laktosa dalam susu

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6
Q

macam mana polisakarida diurai

A
  • hidrolisis
  • asid cair, pendidihan dan bantuan enzim (PEA)
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7
Q

kepentingan karbo kpd sel

A
  1. sumber tenaga, glukosa
  2. tempat penyimpanan makan, glikogen dan kanji
  3. struktur sokongan sel, selulosa
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8
Q

contoh polisakarida

A
  • kanji
  • glikogen
  • selulosa
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9
Q

unsur karbs

A

C, H2, O

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