latihan biologi tingkatan 4 (bab 3)

NAMA TINGKATAN

BIOLOGI TINGKATAN 4

BAB 2: PERGERAKAN BAHAN MERENTAS MEMBRAN PLASMA

6. Bahan boleh merentasi membran plasma dengan cara pengangkutan pasif atau pengangkutan aktif bergantung pada jenis membran.

a. (i) Berikan definisi pengangkutan pasif (2 markah)____________________________________________________________________________________________________________________________________________________________________________________________________________

(ii) Terangkan tiga jenis resapan dalam pengangkutan pasif (12 markah)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

(gunakan kertas tambahan jika ruangan tidak mencukupi)

b. (i) Berikan definisi pengangkutan aktif (2 markah)____________________________________________________________________________________________________________________________________________________________________________________________________________

(ii) Terangkan proses pengangkutan aktif (4 markah)_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________