Magnification / Microscopes

Question 1

What have electron microscopes allowed?

Answer 1

Deeper understanding of sub cellular structures

Question 2

Formula that links image, magnification and object

Answer 2

Image=Magnification x object
Object= Image/Magnification

Question 3

Microscopes Required Practical Explanation

Answer 3

1. Cut and peel off a thin layer of onion
2. Place Onion epidermis on microscope slide
   3.Add three drops of iodine solution
3. Lower cover slip at an angle onto onion and place slide on stage of microscope

Question 4

Why do you need a thin piece of onion? (Practical)

Answer 4

So light can pass through

Question 5

What stain is used in Microscope practical?

Answer 5

Iodine Solution

Question 6

Why add iodine solution?

Answer 6

Make parts easier to see in cell