Biologi sel dan organisasi sel Flashcards

Structure dan fungsi sel

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1
Q

Ciri mitokondrion

A

-berbentuk rod dan sfera
- 2 lapisan membran, luar (licin) dan dalam (berlipat lipat)
-mengandungi enzim

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2
Q

Fungsi mitokondrion

A

Tapak penjanaan tenaga
-dijana dlm bentuk molekul ATP

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3
Q

Ciri sentriol

A

Struktur silinder kecil yang berpasangan dlm sel haiwan
-sususan mikrotubul kompleks
-x wujud dalam sel tumbuhan

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4
Q

Fungsi sentriol

A

Membentuk gentian gelendong semasa pembahagian sel

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5
Q

Ciri jasad Golgi

A

-Satu timbunan kantung pipih selari
-setiap satunya dilapisi oleh membran unit tunggal

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6
Q

Fungsi jasad golgi

A

-Memproses, mengubah suai, membungkus dan mengangkut bahan kimia
- protein, karbohidrat, glikoprotein

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7
Q

Ciri membran plasma

A

-dibina daripada protein dan fosfolipid
- bersifat telap memilih

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8
Q

Fungsi membran plasma

A
  • Asingkan kandungan sel daripada persekitaran luar
    -mengawal pergerakan bahan ke dlm dan ke luar sel
  • benarkan pertukaran nutrien, gas respirasi
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9
Q

Ciri lisosom

A
  • kantung stera kecil yang diselaputi membran tunggal
  • mengandungi enzim lisosom
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10
Q

Fungsi lisosom

A
  • menghidrolisis molekul organik kompleks
  • menguraikan bakteria dan komponen sel yg rosak
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11
Q

Ciri nukleus

A
  • komponen yang paling besar dlm sel
  • berbentuk sfera, padat
  • mengandungi kromosom, nukleolus dan nukleoplasma
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12
Q

Ribosom

A
  • granul kecil dan berbentuk sfera
  • protein dan RNA
  • pada permukaan JEK dan SITOPLASMA
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13
Q

Jalinan endoplasma kasar

A

Ribosom terlekat pada permukaannya

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14
Q

Jalinan endoplasma licin

A

Tidak mempunyai ribosom

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15
Q

Fungsi JEK

A

Mengangkut protein yang disintesiskan oleh ribosom

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16
Q

Fungsi JEL

A

Mensintesis dan mengangkut gliserol dan lipid
-detoksifikasi dadah dan hasil sampingan metabolisme