The Cell

Question 1

cell

Answer 1

the smallest working unit of a living organism

Question 2

animal cell has

Answer 2

cell membrane
cytoplasm
nucleus 
mitochondria 
ribosome

Question 3

plant cell has that animal cell doesnt

Answer 3

cell wall
large vacuole
chloroplast (contains chlorophyll)

Question 4

cell membrane

Answer 4

allows substances in and out

Question 5

cytoplasm

Answer 5

watery fluid in which organelles float

Question 6

nucleus

Answer 6

contains DNA that controls the cell

Question 7

mitochondria

Answer 7

where energy is released in respiration

Question 8

ribosome

Answer 8

where proteins are made

Question 9

cell wall

Answer 9

gives support and protection

Question 10

large vacuole

Answer 10

stores food, water and waste

Question 11

chloroplast

Answer 11

photosynthesis (contains green pigment chlorophyll )

Question 12

use of a microscope

Answer 12

magnify very small structures to see them more clearly and study them

Question 13

eyepiece

Answer 13

for looking through

Question 14

objective lens

Answer 14

to magnify (the 3 things)

Question 15

stage

Answer 15

where to place the slide

Question 16

coarse/fine focus knob

Answer 16

to adjust focus roughly/ accurately

Question 17

iris diaphragm

Answer 17

adjust the amount of light coming through the stage (right under the stage)

Question 18

using a light microscope

Answer 18

• light on, low power obj lens on
• adjust iris diaphragm
• place slide and raise stage
• focus w coarse/ fine focus knob

Question 19

using a slide

Answer 19

very thin sample placed on slide, drop stain, cover slip at angle gently to eliminate air bubbles

Question 20

stain for onion cells

Answer 20

iodine (starchy)

Question 21

stain for cheek cells

Answer 21

methylene blue