Biology Y9 Cells

Question 1

what is a cell

Answer 1

the smallest functional unit of living matter

Question 2

what do cells make up

Answer 2

all living things

Question 3

what do all cells have

Answer 3

cell membrane with a cytoplasm in it surrounding the organelles

Question 4

what are organelles

Answer 4

subcellular structures

Question 5

what is a eukaryotic cell

Answer 5

a cell whose DNA is in a nucleus and have membrane bound organelles

Question 6

what organelles are visible under a light microscope

Answer 6

nucleus, cytoplasm, cell membrane, chloroplasts, cell wall

Question 7

what organelles are visible under an electron microscope

Answer 7

nucleus, cytoplasm, cell membrane, chloroplasts, cell wall, mitochondria, ribosomes

Question 8

what are examples of prokaryotes

Answer 8

bacteria, archaea

Question 9

what are examples of eukaryotes

Answer 9

animals, plants, fungi, protists

Question 10

what type of organisms are prokaryotes

Answer 10

single-celled

Question 11

what type of organisms are eukaryotes

Answer 11

can be single-celled, but mostly multicellular

Question 12

calculate magnification

Answer 12

image size/actual size

Question 13

function of cell membrane

Answer 13

controls what goes in/out of the cell

Question 14

function of cytoplasm

Answer 14

site of most chemical reactions, has a role in maintaining cell size

Question 15

function of nucleus

Answer 15

contains DNA and chromosomes, controls functions of cell

Question 16

what is DNA

Answer 16

genetic material

Question 17

function of ribosomes

Answer 17

site of proteinsynthesis (where proteins are made)

Question 18

function of mitochondria

Answer 18

site of aerobic respiration

Question 19

function of call wall (cellulose)

Answer 19

resists osmotic pressure

Question 20

function of cell wall (chitin)

Answer 20

stops cell bursting if too much water gets in

Question 21

function of cell wall (peptidoglycan)

Answer 21

maintains turgor

Question 22

function of permanent vacuole

Answer 22

stores cell sap, maintains correct water potential

Question 23

function of chloroplast

Answer 23

site of photosynthesis

Question 24

which organelles are in animal cells

Answer 24

cell membrane, cytoplasm, nucleus, ribosomes, mitochondria

Question 25

which organelles are in plant cells

Answer 25

cell membrane, cytoplasm, nucleus, ribosomes, mitochondria, cell wall (cellulose), permanent vacuole, cloroplasts

Question 26

which organelles are in fungal cells

Answer 26

cell membrane, cytoplasm, nucleus, ribosomes, mitochondria, cell wall (chitin)

Question 27

which organelles are in protist cells

Answer 27

cell membrane, cytoplasm, nucleus, ribosomes, mitochondria, cell wall (cellulose), chloroplasts

Question 28

which organelles are in bacteria cells

Answer 28

cell membrane, cytoplasm, ribosomes, cell wall (peptydoglycan), plasmids