Cell Structure

Question 1

what are three components of plant cells that animal cells do not have?

Answer 1

• cell walls
• chloroplasts
• vacuoles

Question 2

draw and label a diagram of

1) an animal cell
2) a plant cell

Answer 2

[check using notes or online resources]

Question 3

what is the function of a cell membrane?

Answer 3

controls passage of substances into and out of cell

Question 4

what is the function of a nucleus?

Answer 4

controls the cell, contains DNA

Question 5

what is the function of cytoplasm?

Answer 5

contains all components of cell including enzymes

Question 6

what is the function of mitochondria?

Answer 6

release energy for respiration

~the powerhouse of the cell~

Question 7

what are the functions of chloroplasts?

Answer 7

to carry out photosynthesis

Question 8

what is the function of a vacuole?

Answer 8

contains cell sap

Question 9

what is the function of a cell wall

Answer 9

encloses the cell and strengthens cell structure (made of cellulose)

Question 10

what are the functions of ribosomes?

Answer 10

to make proteins

Question 11

describe an organelle

Answer 11

a cell structure that is specialised to carry out a particular function or job

Question 12

describe a cell

Answer 12

the basic structural and functional unit of a living organism

Question 13

describe a tissue

Answer 13

group of cells with similar structures, working together to perform a shared function

Question 14

describe an organ

Answer 14

substance made up of a group of tissues, working together to perform a specific function

Question 15

describe an organ system

Answer 15

group of organs with related functions, working together to perform body functions

Question 16

place the following human structures in order from smallest to largest:

• liver
• red blood cell
• eye
• white blood cell
• kidney

Answer 16

(smallest - largest)

• red blood cell
• white blood cell
• eye
• kidney
• liver

Question 17

name four body systems

Answer 17

• circulatory
• respiratory
• excretory
• digestive
• nervous
• skeletal
• muscular
• reproductive
• endocrine
• urinary
• cardiovascular
• lymphatic
• immune
• integumentary

Question 18

list four single celled organisms

[bonus: draw two of them]

Answer 18

• bacteria
• yeast
• amoeba
• englena

Question 19

list two examples of organisms with few cells

Answer 19

• volvox

- spirogyra

Question 20

list four multicellular organisms

Answer 20

• humans
• millipedes
• starfish
• oak trees
• dogs
• chickens
• sunflowers
  etc

Question 21

list three types of tissue

Answer 21

• epithelium
• muscle tissue
• adipose tissue

Question 22

list three organs

Answer 22

• intestines
• heart
• liver

Question 23

list the function of a muscle cell and how it is adapted to suit this function

Answer 23

• cause movement

elongated in shape / have fibres which slide into each other / contain filaments of muscle proteins / have lots of mitochondria

Question 24

list the function of ciliated epithelium and how they are adapted to suit this function

Answer 24

• lining the nose and windpipe

flattened shape / interlocking edges / cilia