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What is a cell?
The basic structural, functional, and biological unit of all living organisms.
What is the function of the cell membrane?
To protect the cell and control the movement of substances in and out.
What is the nucleus?
The organelle that houses the cell's genetic material (DNA) and controls cellular activities.
What are ribosomes?
Cell structures that synthesize proteins by translating messenger RNA.
What is cytoplasm?
The jelly-like substance within the cell membrane that contains organelles.
What is mitochondria known for?
Being the powerhouse of the cell, providing energy through ATP production.
What do lysosomes do?
They contain digestive enzymes to break down waste materials and cellular debris.
What is the role of the endoplasmic reticulum?
To synthesize proteins (rough ER) and lipids (smooth ER), and transport materials.
What is the Golgi apparatus?
An organelle that modifies, sorts, and packages proteins and lipids for secretion.
What is a stem cell?
A type of cell that has the ability to develop into different cell types in the body.
Why must a sample be thin when looking down an optical microscope
As the cells have to absorb the light to be seen
TEMS are the highest resolution microscope, what are the cons?
nothing is in colour
Cannot look at living cells (prepared in a vacuum)
Why do we filter the (cold,isotonic,buffered) homogenate
To remove debris and therefor prevent contamination
Note 
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