BIOLOGY

Question 1

Where is the genetic material found in an animal and plant cell?

Answer 1

The nucleus

Question 2

Animal and plant cells are eukaryotic/prokaryotic.

Answer 2

eukaryotic

Question 3

Bacteria cells are eukaryotic/prokaryotic.

Answer 3

prokaryotic

Question 4

Where is the genetic material in bacterial cells?

Answer 4

Floats around in the cytoplasm

Question 5

Order from largest to smallest: 1) animal cells 2) plant cells 3) bacterial cells

Answer 5

2,1,3

Question 6

What 3 structure do animal, plant and bacterial cells all have?

Answer 6

cytoplasm, ribosomes, cell membrane

Question 7

What 3 structures do plant cells have that animal cells don’t have?

Answer 7

cell wall, chloroplasts, large vacuole

Question 8

What 5 structures do both plant and animal cells contain?

Answer 8

nucleus, cytoplasm, cell membrane, mitochondria and ribosomes

Question 9

What is the function of the nucleus?

Answer 9

Holds the cell’s genetic information and controls what the cell does.

Question 10

What is the function of the cytoplasm?

Answer 10

Where most chemical reactions occur.

Question 11

What is the function of the mitochondria?

Answer 11

The site of aerobic respiration in the cells.

Question 12

What is the function of the cell membrane?

Answer 12

Controls what enters and leaves the cells.

Question 13

What is the function of the ribosomes?

Answer 13

The site of protein synthesis in the cell.

Question 14

What is the function of the chloroplasts?

Answer 14

Transfers energy through photosynthesis.

Question 15

What is the function of the cell wall?

Answer 15

Provides tensile strength and structure to the cell.

Question 16

What is the function of the large vacuole?

Answer 16

Contains cell sap to help maintain the shape of the cell.

Question 17

What is the function of the ciliated epithelial cells?

Answer 17

Traps mucus and stops it going into the lungs.

Question 18

What is the function of sperm cells?

Answer 18

Fertilizes the egg cell.

Question 19

What is the function of nerve cells?

Answer 19

Carry information in your nervous system.

Question 20

What is the function of root hair cells?

Answer 20

Absorb water and minerals into a plant.

Question 21

What is the function of muscle cells?

Answer 21

To contract and relax.

Question 22

What is the function of red blood cells?

Answer 22

To carry oxygen from the lungs and deliver it throughout the body.

Question 23

What is the cell organism flowchart list?

Answer 23

cells→tissues→organs→organ systems→organisms

Question 24

What is the light microscope also known as?

Answer 24

The compound microscope

Question 25

How many different lenses are used to magnify the specimen on a light microscope and what are they?

Answer 25

1) eyepiece lens 2) an objective lens

Question 26

What is the maximum magnification of a light microscope?

Answer 26

times 1500

Question 27

What does the electron microscope use to magnify the specimen?

Answer 27

electron beams

Question 28

How are electron microscopes different/better than light microscopes?

Answer 28

They have higher magnification and higher resolution.

Question 29

What is resolution?

Answer 29

The ability of a microscope to distinguish details of a specimen or sample.

Question 30

What 2 structures can only be seen with an electron microscope?

Answer 30

mitochondria and ribosomes

Question 31

What is magnification?

Answer 31

How many times a specimen has been enlarged by.

Question 32

How many micrometres are in a millimetre?

Answer 32

1000

Question 33

Formula for magnification:

Answer 33

magnification=size of specimen/actual size of object

Question 34

What is the function of the focusing wheel?

Answer 34

Adjusts the focus of the microscope.

Question 35

What is the function of the mirror on the microscope?

Answer 35

Directs light into the viewers eye.

Question 36

What is the function of the eyepiece lens?

Answer 36

Magnifies the image of the specimen.

Question 37

Why does iodine solution have to be added to the layer of onion cells?

Answer 37

To stain the cell so you can see it properly.

Question 38

Why must a thin layer of onion cells be used?

Answer 38

To allow light to pass through the specimen.

Question 39

What is the maximum magnification of an electron microscope?

Answer 39

times 500,000

Question 40

What is the formula for magnification within the microscope?

Answer 40

magnification=eyepiece lens*objective lens