CELLCELL

I will be able ……

Objectives :

Making preparat cork, onion cell and cheek cell Observing part of cell with light microscop (cell wall, cell membrane, nucleus,vacuole,sitoplasm) Distinguish between cork,onion and cheek cell.

10 triliun cell

Amoeba proteus

Plasmodium falciparum

1 cell

Human Body

Organ system

Organ

Tissue

Cell Small units that make up all living organismsMacroscopic or microscopic

Plant cell

Animal cell

Examination of plant cellsExamination of plant cells

How can we really “see” the plant cells if How can we really “see” the plant cells if they looked “apparently transparent”?they looked “apparently transparent”?

We may need to make the cells We may need to make the cells become “visible” ……become “visible” ……

Examination of cellsExamination of cells

1.1. By staining theBy staining the cell wallcell wall??

2.2. By staining theBy staining the cell membranecell membrane??

3.3. What is theWhat is the expected observationexpected observation using the light microscopy? Do you using the light microscopy? Do you think we can see cell nucleus and think we can see cell nucleus and organelles?organelles?

THINK ……

Structure of a plant Structure of a plant cellcell

Cell wallCell wall

Cell membraneCell membrane

NucleusNucleus

VacuoleVacuole

SitoplasmSitoplasm

Onion cell

Structure of a animal Structure of a animal cellcell

Cheek cell

Cell Cell membranemembrane

NucleusNucleus

SitoplasmSitoplasm

Structure of cork cellStructure of cork cell

Look at the differences

among plant, animal, and cork cell

1.Laporan pengamatan sel bawang merah, sel epitel pipi dan sel gabus.

2.Membuat digram venn mengenai organel-organel pada sel hewan dan sel tumbuhan.

3.Membuat tabel yang memperlihatkan perbandingan organel-organel pada sel hewan dan sel tumbuhan. Analisa mengenai keberadaan organel.