Cell Biology Basics

Front

What is the basic unit of structure and function in all living things?

Back

Cells

Front

Where do all cells come from?

Back

Pre-existing cells

Front

What is an exception to the cell theory regarding the first cell?

Back

The first cell could not have come from a pre-existing cell.

Front

Why are mitochondria and chloroplasts exceptions to the cell theory?

Back

They have their own genetic material but are only organelles, not cells.

Front

Why are viruses considered exceptions to the cell theory?

Back

They can only reproduce inside a host cell, making them 'less than' living.

Front

What is the organization of living things from smallest to largest?

Back

Organelle → cell → tissue → organ → organ system → organism

Front

What is the main microscope used to see cells?

Back

Compound light microscope

Front

What is the purpose of staining in microscopy?

Back

To make cell parts more visible

Front

How do you make a microscope slide?

Back

Place a couple drops of specimen, then place the coverslip on at a 45-degree angle and slowly lower to avoid bubbles.

Front

What is stronger than a compound light microscope and can see organelles, bacteria, and viruses?

Back

Electron microscope