Cell Structure

Question 1

What is a cell

Answer 1

cells are the basic unit of life
every living organism is made up of one or more cell

Question 2

what are the four types of cells

Answer 2

• animal
• plant
• bacterial
• fungal

Question 3

What is the cell membrane

Answer 3

surrounds the cell and holds the cell together
controls entry and exit of substances into and out of cell

Question 4

what types of cell have a cell membrane

Answer 4

all the cells

Question 5

what is the cell wall

Answer 5

made out of cellulose
maintains cell structure and supports the cell

Question 6

What type of cell has a cell wall

Answer 6

• plant cell
• Bacterial cell
• fungal cell

Question 7

what is a cytolplasm

Answer 7

it is the site of chemical reactions within a cell

Question 8

what types of cells have cytoplasm

Answer 8

all cell types

Question 9

what is the nucleus

Answer 9

contains genetic information and controls cell activities

Question 10

what cells have a nucleus

Answer 10

animal cell
plant cell
fungal cell

Question 11

what is the chloroplast

Answer 11

a green pigment called chlorophyll they are the site of photosynthesis

Question 12

i hat kind of cells have a chloroplast

Answer 12

plant cell

Question 13

what is the vacuole

Answer 13

a fluid filled sac containing cell sap

Question 14

what kind of cells have a vacuole

Answer 14

• plant cell
• fungal cell

Question 15

what is the mitochondria

Answer 15

site of aerobic stages of respiration

Question 16

what kind of cells have a mitochondria

Answer 16

animal cell
plant cell
fungal cell

Question 17

What is a ribosome

Answer 17

They are the site of protein synthesis

Question 18

what kind of cells have a ribsome

Answer 18

all cell types

Question 19

what are plasmids

Answer 19

plasmids are circular rings of dna

Question 20

What kind of cell has a plasmid

Answer 20

Bacterial cell

Question 21

what is the difference between a plant cell wall and a bacterial cell wall

Answer 21

plant cell wall is made of cellulose
bacterial cell wall is made of a diff material

Question 22

what are the three magnifications levels on a microscope

Answer 22

x4
x10
x40

Question 23

what is the sun to find out total magnification

Answer 23

total magnification = eyepiece x objective

Question 24

how to prepare a cheek slide

Answer 24

• swab inside of your cheek and smear onto the centre of the slide
• put one drop of methyl blue on the slide
• gentle put a clover lip over the cells
• view the slide under the microscope and draw what you can see

Question 25

what are the two types of microscopes

Answer 25

light microscopes
electron microscope

Question 26

Why do you add stains when viewing certain cells

Answer 26

Stains must be added to view the structures of a cell more clearly

Question 27

What is micrometers in millimetres

Answer 27

1mm = 1000um

Question 28

how to calculate cell size

Answer 28

convert diameter to micrometers
count the number of cells you can see going from one side to another
- length is across the field of view
- breadth is down the feild of view
divide the diameter of the field of view by the number of cells