Chapter 1 (Cell Structure And Function) Sec. 1 Discovering Cells

Question 0

What is a microscope?

Answer 0

An instrument that makes small objects look bigger

Question 1

What is a cell?

Answer 1

The basic unit of structure and function in living things

Question 2

What is cell theory ?

Answer 2

A widely accepted explanation of the relationship between cells and living things.

Question 3

What are the functions of cells?

Answer 3

Skin, digestion, repairing and growth

Question 4

What are the 5 scientists?

Answer 4

Hooke, Leeuwenhoek, Schluden, Schwann, Virchow, and Ruska

Question 5

What did each of the scientists do?

Answer 5

Hooke- made compound micro- used cork
Leeuwenhoek- simple micro
Schwan- all animals are made of cells
Schluden- all plants are made if cells
Virchow- all cells come from cells
Ruska- electron micro

Question 6

Why are light micros still used?

Answer 6

They are cheaper, easy to use and smaller

Question 7

What’s the difference between light and electron microscopes ?

Answer 7

Electron kills the specimen

Question 8

How did the invention of the microscope contribute to knowledge about living things ?

Answer 8

The invention of the microscope made it possible for people to discover and learn about cells

Question 9

What is cell theory and who developed cell theory?

Answer 9

• all living things are composed of cells
• all cells come from other cells
• is the basic unit and structure of living things

• Schluden Schwan and Virchow

Question 10

What two properties are in a microscope?

Answer 10

Magnification and resolution