Cells And Microscope

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 the cells activities

Question 4

Vacuole

Answer 4

( larger and permanent in plants ) storage of food water and wastes

Question 5

Cell wall

Answer 5

( only in plant cells ) 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 light up the specimen

Question 10

Diaphragm

Answer 10

Controls the amount of light passing through the specimen

Question 11

Object lens

Answer 11

Magnifies the specimen by different factors ( x4 x10 x40 )

Question 12

Eyepiece lens

Answer 12

magnifies the specimen, usually by a factor of 10 (x10)

Question 13

Coarse focus wheel

Answer 13

brings 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

Organelle

Answer 18

Structure in a cell that carries out a particular role

Question 19

Cell

Answer 19

Made up of organelles, different cells do different jobs

Question 20

Tissue

Answer 20

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

Question 21

Organ

Answer 21

Group of tissues that work together

Question 22

System

Answer 22

Group of organs that work together

Question 23

Organism

Answer 23

an individual that has many systems that work together