Question 1

What evidence supports the claim that cells are the basic unit of life according to cell theory?

Accepted Answer

All organisms are composed of one or more cells.

Answer

Cells can only be seen with a microscope.

Answer

Cells divide to reproduce.

Answer

Cells have different organelles for specific functions.

Question 2

What scientific evidence supports the claim that all cells come from pre-existing cells?

Accepted Answer

The observation of cell division, such as mitosis.

Answer

The presence of organelles like mitochondria in cells.

Answer

The ability of cells to transform into different types.

Answer

The discovery of DNA within cells.

Question 3

Which observation supports the cell theory by demonstrating that cells are the smallest unit of life?

Accepted Answer

Cells are unable to be broken down into smaller living units.

Answer

Cells have a selectively permeable membrane.

Answer

Cells contain a nucleus and organelles.

Answer

Cells can synthesise proteins.

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