SULIT

MATA PELAJARAN

KERTAS

4551/2

BIOLOGI SPM

2

SKEMA JAWAPAN BAHAGIAN A

BIL CADANGAN JAWAPAN MARKAH CATATAN

1(a)(1) Mitochondrion

(11) PI P contain respiratory enzymeP2 P generate energy from cell respiration / oxidation

of glucoseP3 Energy use by the cells for activities

Maximum 2

marks

1(b)(1) PI Q contain genetic material / DNA / geneP2 which determine the type of protein synthesis by

the ribosome

P3 determine the characteristics inherited by theoffspring

Maximum 2

marks

(11) 46

1(c)(1) Ribosome

01) PI Ribosome synthesis polypeptide / protein moleculeP2 using amino acid (in the cytoplasm)P3 Based on the genetic code from DNA /which

carry by the mRNAP4 Proteinwill be sent to Golgi apparatus by rough

endoplasmic reticulum.

Maximum 3

marks

(Hi) PI Protein cannotbe sent to the Golgi apparatusP2 Protein cannot be modified/ processesP3 No enzyme extra cellular can be synthesis

Maximum 2

marks

2 (a)(I P :Chromatid/chromosomeQ: Centromere

(11) Prophase 1(iii) F Crossing over

E Exchange of genetic material occur//forming newgenetic composition 1 1