Cell Theory

Front

What is Cell Theory?

Back

Cell Theory is a fundamental scientific theory that states: 1) All living things are made of cells, 2) Cells are the basic unit of life, and 3) All cells come from pre-existing cells.

Front

What are the main components of Cell Theory?

Back

1) All living things are made of cells, 2) Cells are the basic unit of life, 3) All cells come from pre-existing cells.

Front

Which invention in the 17th century contributed to the development of modern Cell Theory?

Back

The light microscope.

Front

What is the smallest unit that can perform the basic activities of life?

Back

A cell.

Front

Why are cells considered the basic unit of life?

Back

Cells are the smallest structures that can carry out all life processes, including metabolism, growth, and reproduction.

Front

Can cells exist independently?

Back

Yes, some organisms, like bacteria, are unicellular and can live independently as single cells.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

What role do cells play in multicellular organisms?

Back

In multicellular organisms, cells work together to perform specialized functions, forming tissues and organs.

Front

How do cells reproduce?

Back

Cells reproduce through processes such as mitosis (for growth and repair) and meiosis (for producing gametes).

Front

What is the significance of DNA in cells?

Back

DNA contains the genetic information necessary for the growth, development, and functioning of living organisms.