unit 4

Question 1

what is a plasma membrane called?

Answer 1

selectively permeable

Question 2

what does a plasma membrane control?

Answer 2

what enters and exits the cell

Question 3

the plasma membrane is made up of

Answer 3

phospholipids

Question 4

phosphate group
glycerol backbone
two fatty acids

Answer 4

phospholipid monomers

Question 5

what prevents fatty acids from sticking together

Answer 5

cholesterol

Question 6

what helps recognize cells

Answer 6

marker proteins

Question 7

true or false: enzymes speed up chemical reactions on membrane

Answer 7

enzymes

Question 8

these proteins have channels on the middle that allow large molecules to pass through the membrane

Answer 8

transport Chanel proteins

Question 9

true or false: transport proteins allow small molecules to pass through

Answer 9

false

Question 10

what transport does not use energy to transport molecules across the cell membrane

Answer 10

passive transport

Question 11

during passive transport how do the molecules move

Answer 11

concentration gradient

Question 12

true or false:passive transport moves from high low

Answer 12

true

Question 13

diffusion moves what type of molecules across the membrane

Answer 13

small molecules

Question 14

how does diffusion move

Answer 14

high to low

Question 15

diffusion of water

Answer 15

osmosis

Question 16

water enters the cell

Answer 16

hypotonic

Question 17

true or false: hypotonic has a higher concentration of solute on the inside of the cell

Answer 17

true

Question 18

water leaves the cell and causes the cell to get (bigger or smaller)

Answer 18

smaller

Question 19

hypotonic

Answer 19

water entering the cell

Question 20

hypotonic has what type of environment

Answer 20

environment has a lower concentration of solute than inside the cell

Question 21

true or false: water leaves the cell during hypotonic

Answer 21

false

Question 22

why do plant cells become turgid

Answer 22

during hypotonic

Question 23

true or false: animal cells become lysis due to hypotonic

Answer 23

true

Question 24

what solution gives an equal environment to a cell

Answer 24

isotonic

Question 25

does water enter the cell in an isotonic solution

Answer 25

yes enters and exits the cell

Question 26

true or false: an isotonic causes the cell to get bigger

Answer 26

false the cell will stay the same size

Question 27

what type of molecules does facilitated diffusion move

Answer 27

large molecules

Question 28

true or false: facilitated diffusion moves molecules through phospholipids

Answer 28

false: through channel proteins

Question 29

true or false: facilitated move molecules from L to H

Answer 29

false: H to L

Question 30

activetranports moves molecules by using what?

Answer 30

uses energy

Question 31

how do molecules in active transport move

Answer 31

move against the concentration gradients (L to H)

Question 32

true or false: chemical energy is known as adenosine triphosphate (ATP)

Answer 32

true

Question 33

what do carrier proteins move

Answer 33

vitamins, sodium, and potassium

Question 34

carrier proteins move from what

Answer 34

Low to High

Question 35

how does endocytosis moves molecules into the cell

Answer 35

they use a vesicle

Question 36

move large quantities if water (root cells)

Answer 36

pinocytosis

Question 37

large molecules (viruses)

Answer 37

phagocytosis

Question 38

removes large quantities of molecules such as water and proteins via the vesicle

Answer 38

exocytosis

Question 39

removes large quantities of waste and proteins

Answer 39

exocytosis

Question 40

moves molecules into the cell

Answer 40

endocytosis

Question 41

what does photosynthesis makes

Answer 41

glucose and oxygen

Question 42

true or false: photosynthesis happens in the chloroplast

Answer 42

true

Question 43

where does light reaction happen

Answer 43

thylakoid

Question 44

factors that affect photosynthesis

Answer 44

water sunlight temperature

Question 45

adenoids triphosphate

Answer 45

chemical energy in molecules

Question 46

ATP has three parts

Answer 46

adenine ribose sugar 3 phosphate group

Question 47

True or false: ATP cannot use glucose as a source of energy

Answer 47

true

Question 48

how do cells use ATP

Answer 48

convert glucose into usable energy

Question 49

true or false: glucose is smaller and faster than ATP

Answer 49

False: ATP is smaller and faster than glucose

Question 50

what do cells do when energy is needed

Answer 50

release the 3rd enzyme in the phosphate group by breaking the bond

Question 51

True or False: ATP is recyclable

Answer 51

true

Question 52

how do cells make ATP

Answer 52

cellular respiration

Question 53

cellular respiration

Answer 53

chemical reaction organism use to turn glucose into chemical energy (ATP)

Question 54

what its the first step of anerobic and aerobic respiration

Answer 54

glycolysis

Question 55

where does glycolysis occur

Answer 55

cytoplasm

Question 56

what does glycolysis do?

Answer 56

breaks cell into 2 ATP

Question 57

Step two of anaerobic respiration

Answer 57

fermentation

Question 58

what are the two types of fermentation

Answer 58

alcoholic and latic acid

Question 59

what respiration creates zero ATP

Answer 59

anaerobic

Question 60

true or false: anaerobic respiration occurs in the vacuole

Answer 60

false: happens in the cytoplasm

Question 61

what does alcohol fermentation produce

Answer 61

ethyl alcohol and Carbon

Question 62

what does arobic respiration use

Answer 62

oxygen

Question 63

does anaerobic respiration use oxygen

Answer 63

no

Question 64

how much ATP does aerobic respiration produce

Answer 64

36

Question 65

where does aerobic respiration happen

Answer 65

mitchochondira

Question 66

where does Krebs cycle happen

Answer 66

matrix (inside folds of the mitchochondira)

Question 67

true or false: Krebs cycle happens in aerobic respiration

Answer 67

true

Question 68

electron transport does what

Answer 68

occurs in the inner membrane if mitchochondria and produces H2o and ATP

Question 69

in total how much ATP is aerobic respiration produced

Answer 69

38