Cell Organelles

Front

What is cell theory?

Back

Cell theory is a fundamental concept in biology that states: 1) All living things are made of cells, 2) Cells are the smallest units of structure and function in life, 3) All cells come from pre-existing cells.

Front

What is the function of the nucleus in a cell?

Back

The nucleus controls the activities of the cell and contains the cell's genetic material (DNA).

Front

Why are viruses sometimes considered living things?

Back

Viruses are considered living by some because they contain genetic material (DNA or RNA) and can evolve, but they cannot reproduce independently.

Front

What provides structural support to plant cells?

Back

The cell wall provides structural support to plant cells.

Front

Which instrument was crucial in the development of cell theory?

Back

The microscope was crucial in the development of cell theory as it allowed scientists to observe cells for the first time.

Front

What is the role of mitochondria in a cell?

Back

Mitochondria are known as the powerhouse of the cell; they produce energy (ATP) through cellular respiration.

Front

What is the function of the cell membrane?

Back

The cell membrane regulates what enters and exits the cell, providing protection and support.

Front

What is cytoplasm?

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Cytoplasm is the jelly-like substance within a cell that contains organelles and is where many cellular processes occur.

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 is the function of ribosomes?

Back

Ribosomes are responsible for protein synthesis in the cell.