cell structure

Question 1

What is the function of the cell membrane?

Answer 1

controls what enters and leaves the cell

Question 2

what is the function of the cytoplasm?

Answer 2

site of chemical reactions in the cell

Question 3

what is the function of the nucleus in an animal cell?

Answer 3

controls the cells activities

Question 4

where in an animal cell does protein synthesis occur?

Answer 4

Ribosomes

Question 5

what is the function of vacuole in a plant cell?

Answer 5

stores cell sap and maintains cell shape

Question 6

what is the function of the cell wall in plant, bacterial and fungal cells?

Answer 6

provides support and gives structure to the cell

Question 7

where in the cell does aerobic respiration occur?

Answer 7

Mitochondria

Question 8

which cell structure is the site of photosynthesis?

Answer 8

chloroplast

Question 9

give three structures that are found in both plant and animal cells

Answer 9

nucleus 
cell membrane 
ribosomes 
cytoplasm 
mitochondria

Question 10

give two structural differences between plant and animal cells

Answer 10

plant cells have a cell wall whereas animal cells do not

plant cells have a cytoplasm whereas animal cells do not

plant cells have a vacuole whereas animal cells do not

Question 11

give two differences between an animal and a bacterial cell

Answer 11

bacterial cell has a plasmid which an animal cell does not

bacterial cell has a cell wall which an animal cell does not

bacterial cell has circular chromosomes which animal cells do not have

Question 12

give a difference between a plant and fungal cell

Answer 12

plant cell wall is made of cellulose and fungal cells cell wall isn’t made of cellulose

Question 13

what substance is the main component of pant cell walls?

Answer 13

cellulose

Question 14

why do scientists use a stain when viewing cells under a microscope?

Answer 14

as stains enable us to see organelles more clearly when viewing under a microscope

Question 15

what would the overall magnification be if the…
a) x40 objective lens was used to view cells?

b) x10 objective lens was used to view cells?

Answer 15

a) 400

b) 100

Question 16

how do plant cell walls differ from fungal cell walls?

Answer 16

plant cell walls are made from cellulose whereas fungal cell walls aren’t composed of cellulose

Question 17

A plant cell is 60 um in length, how many millimetres is this?

Answer 17

60 / 1000

= 0.06mm

Question 18

what is a plasmid, and in which type of cell is it found?

Answer 18

small, circular piece of genetic material that can be transferred between organisms

found in bacterial cells