Microscopy & Cell Theory

What do parts C & D do?

• move stage up and down to focus on specimen

• move stage left and right to move the slide

• adjust the amount of light

• change the objective magnification

Which parts adjust the amount of light?

• F & I

• A & L

• M & J

• E & C

What is part M called?

• revolving nosepiece

• fine adjustment knob

• objective lenses

• light intensity dial

What is part E called?

• coarse adjustment

• fine adjustment

• stage adjustment

• light adjustment

How large can a scanning electron microscope make specimens appear?

• 1 million x larger

• 2 million x larger

• 200x larger

• 500x larger

What objective should you always start with?

• scanning 4x

• low power 10x

• medium power 40x

• high power 100x

If ocular lens is 10x and objective is 30x, what is the total magnification?

• 30x

• 300x

• 3000x

• 10x

Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?

• The Theory of Gravity
• The Theory of Relativity
• The Cell Theory
• The Theory of Continental Drift

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which of the following is NOT a cell theory.

• All non-living things are made of cells
• All cells come from pre-existing cells
• Cells are the basic unit of structure and function of all living things

Tags

NGSS.MS-LS1-1

Which of the following scientists concluded that all animals are made of cells?

• Rudolf Virchow
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

Tags

NGSS.MS-LS1-1