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Botany Lab > Experiment 3 > Flashcards

Experiment 3 Flashcards

1
Q

Reagent hat is used to react with starch

A

Lugol’s Solution

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2
Q

Other name of Lugol’s Solution

A

Potassium Iodide (KI)

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3
Q

What happens when the Lugol’s solution comes into contact with starch

A

Light amber to Blue-black solution

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4
Q

What reagent is used to react with Protein

A

Biuret Solution

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5
Q

Other name for Biuret Solution

A

Carbamylurea

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6
Q

How to identify a positive control with the Biuret solution

A

Blue-Violet solution

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7
Q

What reagent is used for identifying Lipids

A

Sudan IV

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8
Q

Other name for Sudan IV

A

Lysochrome fat soluble dye

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9
Q

Chemical formula of Sudan IV

A

C24H20N4O

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10
Q

What happens when Sudan IV comes into contact with lipids

A

Deep-colored solution

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11
Q

H2O + Lugol’s solution

A

No reaction (-)

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12
Q

Glucose + Lugol’s solution

A

No reaction (-), red to yellow-colored solution

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13
Q

Chewed Biscuits + Lugol’s solution

A

(+) Blue-Black

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14
Q

Milk + Lugol’s solution

A

No reaction (-), * sometimes has starch

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15
Q

Egg Albumin + Lugol’s solution

A

No reaction (-)

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16
Q

vegetable Oil + Lugol’s solution

A

No reaction (-)

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17
Q

Why does chewed biscuit have a positive reaction with Lugol’s solution

A

Because of amylase

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18
Q

H2O + Biuret Solution

A

No reaction (-)

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19
Q

Glucose + Biuret Solution

A

No reaction (-) Brick red

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20
Q

Chewed Biscuits + Biuret Solution

A

No reaction (-)

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21
Q

Milk + Biuret Solution

A

(+) Purple solution

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22
Q

Egg albumin + Biuret Solution

A

(+) Violet solution

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23
Q

Vegetable oil + Biuret Solution

A

No reaction (-)

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24
Q

H2O + Sudan IV

A

No reaction (-)

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25
Glucose + Sudan IV
No reaction (-)
26
Chewed Biscuits + Sudan IV
No reaction (-)
27
Milk + Sudan IV
(+) with fats, no reaction (-) non-fat
28
Egg + Sudan IV
No reaction (-) *if egg yolk + Sudan IV (+)
29
Vegetable oil + Sudan IV
(+)
30
Scientific name of coconut
Cocos nucifera
31
Reagent used for Cocos nucifera shell
18% alcoholic phloroglucinol-sulfuric acid solution
32
Cocos Nucifera acted as the ______ for the experiment
Buri
33
Cocos nucifera shell contains ____ which turns ____ upon staining
Lipid, Red
34
Functions of lignin
Provides structural support and protection for the upward growth of plants Enables long-distance water transport
35
Cocos nucifera shell both have ________ and ________
Primary and Secondary cell wallls
36
H2O + gtt of food coloring
Diffused immediately
37
Chemical formula for ethanol
C2H6O
38
EtOH (ethyl alcohol) + gtt of food coloring
diffused in a while
39
Baby oil + gtt of food coloring
immiscible
40
True or False: Lignin in a tree is stronger than a coconut tree
False
41
The movement of molecules from an area of higher concentration to an area of lower concentrations
Diffusion
42
"The spreading out"
Diffusion
43
Factors that affect diffusion
Temperature Heaviness
44
True of False: the heavier the solvent the faster the diffusion
False
45
Potatoes soaked in water ____ and _______
swelled and become crisp
46
Potatoes soaked in salt solution _______
Shrank
47
The higher concentration of the shalt, the _______ the decrease in ______ of the potato
Higher, mass
48
Movement of molecules from an area of lower water concentration to an area of higher water concentration
Osmosis
49
Osmosis: movement of molecules from a ______ to a ________
Diluted solution, Concentrated solution
50
Prevents the Hydrilla cells from completely collapsing
Osmotic pressures
51
Main cause of support in many plants
Osmotic pressure
52
Osmotic pressure: _________ that must be applied to a solution to ____________ through a _________
Minimum pressure, halt the flow of solvent molecules, semi-permeable membrane
53
Vacuoles are crucial for ______ and ________
growth, development
54
Vacuoles are _______ in size
highly dynamic
55
Functions of Vacuoles
Storage Transport Intercellular stability Responds readily to injury
56
Antiseptic
Human
57
Disinfectant
inanimate objects
58
Examples of osmosis in gargling
You gargle in the throat with the aid of air and is usually medicated
59
True or False: Mouthwash also aids in disinfecting the throat, albeit limitedly
False, only for the mouth
60
What is the volume-volume percentage of mouthwash
1% v/v
61
Moist and water environments are good habitats for bacterias
True
62
True or False: Drugs are in suspension forms to increase the rate of diffusion in the body
true
63
The higher the temperature the _______ its solubility
higher
64
Boiling point of water
100 C
65
Freezing point
0 C
66
True of False: Consistency is directly proportional to diffusion
False, they are inversely proportional (1 / diffusion)
67
True or false: Temperatures are directly proportional to diffusion
True
68
Types of solubility of materials in pharma
Miscible Immiscible
69
What does SNL mean
Supernatant liquid
70
A clear liquid free of precipitate that forms during the chemical process of precipitation and is located above the solid part during settling
Supernatant liquid
71
Residue
Substances that were not dissolved
72
Product of filtration
filtrate

Botany Lab (25 decks)

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