October/November 2017
MEMORANDUM
BIOLOGY
BLG 1501
Oct/Nov 2017
DURATION: 2 HOURS
MARK: 100
Question 1
1.1 D
1.2 B
1.3 C
1.4 B
1.5 D
1.6 A
1.7 B
1.8 C
1.9 B
1.10 C
Question 2
2.1.1 Diploid – two sets of chromosomes per nucleus.
2.1.2 Enthalpy – the total potential energy of a system.
2.1.3 Autotroph – produce its own organic food from inorganic substances.
2.1.4 Climax community – succession progress to a stable persistent community.
2.1.5 Ecotone – transition zone where two communities or biomes meet and integrate.
2.1.6 Primosome – a complex of proteins responsible for synthesizing the RNA primers
required in DNA synthesis.
2.1.7 Isomers / isomer – two or more chemical compound with the same chemical formula but
different structural formulas.
2.2
Pyruvate is converted to ethanol in two Pyruvate is directly reduced by NADH
steps to form lactate as an end product
Carbon dioxide is released from the No release of carbon dioxide
pyruvate and forms acetaldehyde
Acetaldehyde is reduced by NADH to
ethanol
2.3.1 Nucleus
2.3.2 Plasma membrane
2.3.3 Vacuole
2.3.4 Smooth endoplasmic reticulum
2.3.5 Chloroplast
MEMORANDUM
BIOLOGY
BLG 1501
Oct/Nov 2017
DURATION: 2 HOURS
MARK: 100
Question 1
1.1 D
1.2 B
1.3 C
1.4 B
1.5 D
1.6 A
1.7 B
1.8 C
1.9 B
1.10 C
Question 2
2.1.1 Diploid – two sets of chromosomes per nucleus.
2.1.2 Enthalpy – the total potential energy of a system.
2.1.3 Autotroph – produce its own organic food from inorganic substances.
2.1.4 Climax community – succession progress to a stable persistent community.
2.1.5 Ecotone – transition zone where two communities or biomes meet and integrate.
2.1.6 Primosome – a complex of proteins responsible for synthesizing the RNA primers
required in DNA synthesis.
2.1.7 Isomers / isomer – two or more chemical compound with the same chemical formula but
different structural formulas.
2.2
Pyruvate is converted to ethanol in two Pyruvate is directly reduced by NADH
steps to form lactate as an end product
Carbon dioxide is released from the No release of carbon dioxide
pyruvate and forms acetaldehyde
Acetaldehyde is reduced by NADH to
ethanol
2.3.1 Nucleus
2.3.2 Plasma membrane
2.3.3 Vacuole
2.3.4 Smooth endoplasmic reticulum
2.3.5 Chloroplast
