Cells And The Microscope

Question 1

what is the eyepiece lens

Answer 1

this is the part of the microscope which allows you to view the object. Usually x10

Question 2

what is the objective lens?

Answer 2

they allow you to view an object on a higher magnification. eg. x4 x10 x40

Question 3

what is the stage?

Answer 3

this is where you place the slide to view it

Question 4

what is the iris diaphragm

Answer 4

controls the amount of light going through the slide.

Question 5

what is coarse focus and fine focus?

Answer 5

these allow the object to been seen clearly.

Question 6

what is the coverslip?

Answer 6

it is a thin sheet of glassusedto hold objects for examination under amicroscope. It serves two purposes: it protects themicroscopes objective lens from contacting the specimen, and it creates an even thickness (in wet mounts) for viewing.

Question 7

what is the cell membrane?

Answer 7

it holds the contents of the cell in place and allows substances to move in and out of the cell.

Question 8

what is the nucleus?

Answer 8

It’s the cells brain. It’s the control center of the cell.

Question 9

what is cytoplasm?

Answer 9

this is a jelly inside the cell which fills the cell.

Question 10

what is the cell wall?

Answer 10

provides support for a plant cell

Question 11

what is the vacuole?

Answer 11

stores food

Question 12

what are chloroplasts?

Answer 12

they carry out photo photosynthesis and contain a chemical called cholophyl