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biologi 3

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polisakarida<br />

pada tanaman<br />

glukosa (gula dengan 6 atom C/C6)<br />

ATP<br />

ADP<br />

ATP<br />

glukosa-6-fosfat<br />

42 Biologi Kelas XII SMA dan MA<br />

B (-1 ATP)<br />

C<br />

polisakarida<br />

pada hewan<br />

ADP<br />

fruktosa-6-fosfat<br />

ATP<br />

D<br />

ADP<br />

fruktosa-1, 6-difosfat (gula dengan 6 atom C dan 2 fosfat)<br />

lisis<br />

(C3 ) dihidraksikatenon<br />

fosfat<br />

fosfogliseraldehid (PGAL) (C3 )<br />

2 x NAD<br />

2 x NADH<br />

2 x 1,3- asam difosfogliserat<br />

2 ADP<br />

2 ATP<br />

2 ADP<br />

Gambar 2.6 Tahapan reaksi glikolisis<br />

E<br />

2 x 3-asam fosfoglierat<br />

2 ATP H 2 O<br />

2 x asam piruvat (3C)<br />

(several steps omitted)<br />

(-1 ATP)<br />

(fosfat inorganik)<br />

(+2 ATP)<br />

(+2 ATP)<br />

Jumlah = 2 ATP<br />

Secara sederhana reaksi glikolisis dapat dituliskan sebagai berikut.<br />

6C 6 H 12 O 6 ⎛⎛∅ 2C 3 H 4 O 3 + 2NADH 2 +2ATP<br />

glukosa as. Piruvat<br />

Sumber: Biological Science, Green

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