Page 52 - SUBSEC October 2017_Neat
P. 52
UNIT 1
MODULE 1: CELL AND MOLECULAR BIOLOGY (cont’d)
SPECIFIC OBJECTIVES EXPLANATORY NOTES SUGGESTED PRACTICAL
ACTIVITIES
3. Membrane Structure and Function
Students should be able to:
3.1. explain the Fluid Mosaic The roles of
Membrane model of
phospholipids,
biological membrane cholesterol, glycolipids,
structure; and, protein and
glycoproteins. Diagrams
are required.
3.2. explain the processes of Emphasis on the Investigate the effects on
diffusion, facilitated distinction between plant cells immersion into
diffusion, osmosis, active diffusion and osmosis; solutions of different
transport, endocytosis and active and passive water potentials, for
and exocytosis. processes. Diagrams are example, red onion
required. No calculations epidermal cells.
will be set on water
potential.
4. Enzymes
Students should be able to:
4.1. explain that enzymes are Definition of metabolism,
globular proteins that anabolism and catabolism
catalyse metabolic required.
reactions;
4.2. explain the mode of Properties of enzymes.
action of enzymes in Lock and key hypothesis
terms of an active site, and Induced-fit hypothesis.
enzyme and/or substrate
complex, lowering of
activation energy and
enzyme specificity;
CXC A10/U2/17
14
