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Physics, 19.08.2021 14:00 mcburrs

Pls answer this quastion A is the smallest functional and structural unit of all living organisms.

An is any living thing that carries out its own life processes.

was the first to describe cells. He looked at the bark of a cork tree under a microscope.

Why are most cells small?
Cells are small because their size is by their outer barrier.
As the cell grows, they will require nutrients and produce waste products.
If cells get too large, they cannot take in nutrients or get rid of enough wastes.
The to ratio of a cell is the ratio of the outer surface to the cell’s volume.
The the cell, the this ratio.

What is cell theory?
The cell theory lists three basic characteristics of all cells and organisms.




Notable scientists:
Robert Hooke was the first to describe cells. He looked at the bark of a cork tree under a microscope.
was the first to describe living cells.
concluded that all plants are made of cells
determined that all animal tissues are made of cells
proposed that cells could form only from the division of other cells
Which theory does this fall under?

organisms
Multicellular organisms
Made up of one cell
Made up of than one cell
The single cell must carry out all life functions
These organism have cell functions

Describe the differences between the two types of cells.

Prokaryotes
Eukaryotes



DNA is found in the



DNA is found in the

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