Page 10 - PBD Plus Biologi T5 (EG)

BAB
Biologi Tingkatan 5 Bab 2

Struktur Daun dan Fungsi
2 Leaf Structure and Function Peta Konsep

Fokus Topik Peta Konsep

Mekanisme Pembukaan Stoma / Mechanism of Stomatal Opening

H + H + H O H O Liang
2
Penerbitan Pelangi Sdn. Bhd
K + K + 2 Pore
CI – CI –
Sel pengawal segah
H + H + H O H O Guard cells turgid
2
2
Mekanisme Penutupan Stoma / Mechanism of Stomatal Closing

malam / night :
-sukrosa --> kanji
sucrose --> starch Sel pengawal flasid
H 2 O H 2 O Guard cells flaccid
Stoma tertutup
H 2 O H 2 O Stoma close

Fotosintesis / Photosynthesis Nukleus Cahaya matahari
Sunlight
Nucleus

Dinding sel Vakuol
Cell wall Vacuole Oksigen
Oxygen
Karbon dioksida
Kloroplas Carbon dioxide
Granum Chloroplast
Membran luar Granum
Outer membrane

Wap air
Water vapour
Membran dalam
Inner membrane Tilakoid
Thylakoid

Stroma
Stroma Lamela
Lamela
Tindak balas fotosintesis / Photosynthesis reaction: Air
Water
12H O 6CO 2 C H O 6 6O 2 6H O
2
6
12
2
Air + Karbon dioksida → Glukosa + Oksigen + Air
Water Carbon dioxide Glucose Oxygen Water
© Penerbitan Pelangi Sdn. Bhd. 20

02 PBD PLUS BIOLOGY TG5.indd 20 25/11/2022 10:14 AM