Overall Aims :
-to provide an understanding of cytology, physiology and taxonomy
of plants.
-provides general introduction of Pharmacognosy, leaves medicinal
plants, constituents and uses.
ILO(Intended Learning outcomes) :
-knowing adequate knowledge of cytology and physiology of plants.
-reasonable knowledge of medicinal leaves, their active constituents and uses in life.
Botany comes from Greek word.
Botavn means grass / plants which are safe for livestock to eat
Botany is a branch of biology that involves the scientific study of plant life.
The cell may be considered the unit of life
CELL MAY BE DIVIDED INTO :
-Protoplast
-Cell wall
CYTOPLASMIC ORGANELLES :
-Mitochondria
-Endoplasmic reticulum
-Ribosomes
-Plastids, chloroplast, chromoplasts, leucoplasts
-Golgi bodies
MEMBRANES :
-Tonoplast : membrane separating cytoplasm and vacuole
-Plasmalemma : membrane bounding the outer surface of cytoplasm
TYPE OF PROTEINS :
-Proteins that are loosely bound to the membrane
-Proteins that are an integral part of the membrane
ORGANELLES :
Nucleus - bounded by a double membraned envelope provided with pores.
- required for the continued life of a cell.
- for cell division.
Endoplasmic Reticulum - consists of an array of extensive flatenned vesicles
- may / may not have ribosomes associated with the outer surface of the
vesicles
Ribosomes : involved in protein synthesis
Mitochondria - small organelles about
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