Cells And Microscopes

Question 1

Cell membrane

Answer 1

Allows substances to pass in and out of the cell

Question 2

Cytoplasm

Answer 2

Watery fluid that gives support to the cell

Question 3

Nucleus

Answer 3

Controls cell activity

Question 4

Vacuole

Answer 4

Larger and permanent in plants storage of food water and waste

Question 5

Cell wall

Answer 5

Only in plant cell gives strength to the cell

Question 6

Chloroplasts

Answer 6

(Only in plant cells ) contains chlorophyll to help make food

Question 7

Base

Answer 7

Keeps the microscope stable

Question 8

Stage and stage clips

Answer 8

Holds the slide in place

Question 9

Light source

Answer 9

A built in light bulb or mirror that lights up the specimen

Question 10

Diaphragm

Answer 10

Controls the amount of light passing through the specimen

Question 11

Objective lens

Answer 11

Magnifies the specimen my different factors x4 x10 x40

Question 12

Eyepiece lens

Answer 12

Magnifies the specimen usually by a factor of 10 (x10)

Question 13

Course focus wheel

Answer 13

Bring the image into rough focus

Question 14

Fine focus wheel

Answer 14

Brings the image into sharp focus

Question 15

Electron microscope

Answer 15

Used to study things in more detail , a beam of electrons is passed through a specimen

Question 16

Micrograph

Answer 16

An image formed when using an electron microscope

Question 17

Mitochondria and ribosomes

Answer 17

Can be seen with an electron microscope, but cannot be seen with a light microscope

Question 18

Otganelle

Answer 18

Structure in a cell that carries out a particular role

Question 19

Cell

Answer 19

Make up a group of organelles different cells do different jobs

Question 20

Tissue

Answer 20

Groups of cells that work together e.g blood is made up of red and white blood cells , plasma and platelets