Cell theory

What did Robert Hooke do?

Coined the term ‘cell’ after observing cork under a microscope

What did cells remind robert hooke of?

tiny, box like structures like monks rooms

All living organisms are composed of one more more cells

Every plant, animal, and microorganism is made up of cells, whether it's a single-celled bacterium or a multicellular human.

The cell is the basic unit of structure and function in living things

Cells carry out all the essential processes of life, like metabolism, growth, and reproduction.

All cells arise from pre existing cells

new cells are not spontaneously generated, but come into existence through the division of a parent cell.

How to calculate total mag?

Ocular lens x objective lens

how to calc F.O.V

using mini grid or ruler, line up the line to the edge of the cell and count the spaces inbetween the lines.

What do i have to include on a cell diagram?

Cell name, Ocular lens, objective mag, total mag, F.O.V

What kind of specimens can be observed on light microscope?

Live or dead

What kind of specimens can be observed on electron microscope?

Only dead or dried specimens.

What is the relationship between magnification and field of view?

As magnification increases, the field of view decreases, As magnification decreases, the field of view increases.

light microscopes

Use visible light, have up to 1,000x zoom and are affordable

electron microscope

Use a beam of electrons, have up to 2,000,000x zoom and are expensive