1. What is a cell?
A cell is the smallest living unit.
2. What are the parts of an animal cell?
Animal cells have the following parts:
-The cell membrane.
-The cytoplasm. -The vacuoles.
3. What are the parts of a plant cell?
Plants cells have the following parts:
-The cell membrane.
-The cytoplasm.
-A strong cell wall
-Chloroplast
-and Vacuole
4. Describe the difference between
unicellular and multicellular organisms.
Unicellular Organisms:
- They have only one cell.
- For example, paramecium, bacteria, amoeba...
- In a single cell performs all three vital functions.
Pluricellular Organisms:
-They are made up of many cells.
-For example: birds, humans, insects, flowers,
mold, trees,
-In a multicellular organisms, the different cells
carry out different functions.
5. DEFINITIONS.
1. What controls the nucleus?
+The nucleus controls the functions
of the cell.(all cell activities).
+It contains DNA.
2. What controls the cell membrane?
The cell membrane controls what enters
and leaves the cell.
3. What is the cytoplasm?
The cytoplasm is a jelly-like substance
in the cell where chemical reactions
happen.
4. What do the vacuoles contain?
The vacuoles contain water and minerals
which the organism needs in order to grow.
In addition to the above characteristics,
plant cells have:
5. What is a cell wall in plant cells?
A strong cell wall, which protects the cell
and gives it its shape.
6. What do Chloroplasts contain?
Chloroplasts contain chlorophyll needed
during photosynthesis.
6. What scientific instrument do we use to
observe cells?
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