Biomolecules Flashcards

(279 cards)

1
Q

Which Element is least Abundant In Earth Crust?

A

Nitrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which Element is Most Abundant In Earth Crust?

A

Oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which Element is least Abundant In Human Body?

A

Silicon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which Element is Most Abundant In Human Body?

A

Oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which Element is least Abundant In Human Body But Second Most Abundant in Earth Crust?

A

Silicon - 27.7%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which Element is Most Abundant In Earth Crust But Second Most Abundant in Human Body?

A

Carbon - 18.5%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

To Perform Chemical Analysis Which Chemical is Used on Tissue?

A

Trichloro-acetic Acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What Two Fractions are Made when Trichloro-acetic acid is mixed with tissue sample in chemical analysis?

A
  1. Acid Soluble
  2. Acid Insoluble
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the size range of Macromolecules?

A

More than 1000 Dalton.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the size range of Micromolecules?

A

Less than 1000 Dalton.
Or 18-800 Dalton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

In Acid Soluble pool Which two types of Compounds are Found?

A
  1. Micro molecules
  2. Inorganic Ions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In Acid Insoluble pool Which types of Compounds are Found?

A

Macro molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the Compounds in Macromolecules?

A
  1. Proteins
  2. Polysaccharides
  3. Lipids
  4. Nuclei Acids
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the Compounds in Micromolecules?

A
  1. Amino Acids
  2. Monosaccharides
  3. Nucleotides
  4. Fatty Acids and Glyserol
  5. Inorganic Ions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are Some Example of Inorganic Ions found in Human Body?

A

Cations - K , Ca , Na, Mg
Anions - Phosphate , Sulphate , NaCl and CaCO3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What happens to the Insoluble Acid Pool after Removing From Cotton Cloth?

A

They are Separated and Purified the Analyzed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

In Ash Analysis, What is First done to Tissue Samples?

A

They are Dehydrated. (H2O removed)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

In Ash Analysis, After Removing H2O from it What is done to Tissue Samples?

A

They are Burned in Presence of Oxygen. Made into Ash

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

In Ash Analysis, What remains of Tissue Samples after they are burned to create ash?

A

Inorganic Ions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What comprises Cytoplasmic Composition in Chemical Analysis?

A

Soluble Acid Pool

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What comprises Overall Cell Composition in Chemical Analysis?

A
  1. Acid Soluble pool
  2. Acid Insoluble pool
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What are Primary Metabolites?

A

Which participates in Metabolism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What are Secondary Metabolites?

A

Which do not participates in Metabolism or have left the metabolic process.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Examples of Primary metabolism?

A

Glucose, Amino acids, Etc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Examples of Secondary metabolism?
Cellulose, Curcumin and Caroteinoids
26
Are Secondary metabolites present in Humans?
NO
27
Which Organisms possess Secondary metabolites present?
Fungi, Plant and Bacteria
28
What is the Trick For Secondary Metabolites?
LET PAT DPS
29
LET PAT DPS - is Mnemonic For?
L - Lectins E - Essential Oils T - Toxins P - Pigments A - Alkaloids T - Terpenoids D - Drugs PS - Polymeric Substances
30
Which of the Following are Examples of Lectin? 1. Morphine 2. Vinblastin 3. Ricin 4. Concanavalin A
4. Concanavalin A
31
What are Examples of Lectin?
Concanavalin A
32
What is Trick for Lectins?
L A C
33
What is Trick for Toxins?
A R T
34
What is Trick for Pigments?
P A C
35
What is Trick for Alkaloids?
M A C
36
What is the Mnemonic LAC For?
Concanavalin A - Lectins - Secondary Metabolite
37
What is the Mnemonic ART For?
Abrin & Ricin - Toxin - Secondary Metabolite
38
What is the Mnemonic PAC For?
Pigments - Anthocyanin & Carotenoids - Secondary Metabolite
39
What is the Mnemonic MAC For?
Morphine & Codeine - Alkaloids - Secondary Metabolite
40
What are Examples of Essential Oils ?
Lemon Grass Oil
41
What are Examples of Toxins?
Abrin and Ricin
42
What are Examples of Pigments?
Anthocyanin AND Carteinoids
43
What are Examples of Alkaloids?
Morphine and Codeine
44
What are Examples of Terpeinoides?
Monoterpenes , Diterpenes
45
What are Examples of Drugs?
Vinblastin and Curcumin
46
What are Examples of Polymeric Substances ?
Rubber, Gum and Cellulose
47
What are the Components in A Cell?
1. Water 2. Protein 3. Nucleic Acids 4. Carbohydrates 5. Lipids 6. Ions
48
What is the Percentage Composition of Water in Cell? 1. 70% 2. 70-80% 3. 70-90% 4. 70-92%
3. 70-90%
49
What is the Percentage Composition of Protein in Cell? 1. 7% 2. 7-10% 3. 10-15% 4. 10-25%
3. 10-15%
50
What is the Percentage Composition of Nucleic Acids in Cell? 1. 5-7% 2. 7-10% 3. 5-10% 4. 2.5-8%
1. 5-7%
51
What is the Percentage Composition of Carbohydrate in Cell? 1. 5-7% 2. 3% 3. 2% 4. 1%
2. 3%
52
What is the Percentage Composition of Lipids in Cell? 1. 5-7% 2. 3% 3. 2% 4. 1%
3. 2%
53
What is the Percentage Composition of Ions in Cell? 1. 5-7% 2. 3% 3. 2% 4. 1%
4. 1%
54
What functional groups do Alpha Carbons of Amino Acids Have?
-NH3+ group & -COOH group.
55
Why are Amino Acids called AA?
because of -NH3+ group & -COOH group. Which Give prefix and suffix - Amino (Ammonia) and - Acid (Carboxylic Group)
56
What is the AA with Simplest Structure K/a?
Glycine
57
What does Glycine have instead of R-group?
H atom
58
What does Alanine have instead of R-group?
CH3 Atom
59
What does Serine have instead of R-group?
CH2OH
60
What are the Examples of Acidic AA?
Aspartic Acids & Glutamic Acid
61
What are the Examples of Basic AA?
Arginine, Histidine and Lysine
62
What are the Examples of Neutral AA?
Glycine, Alanine and Valine
63
What are the Examples of Aromatic AA?
Phenylalanine, Tyrosine and Tryptophan
64
What are the Examples of Alcoholic AA?
Serine and Threonine
65
What are the Examples of Sulphur Containing AA?
Methionine and Cystine
66
What is an Example of Very Low pH Ion?
Glycine with NH3 + ion
67
What is an Example of Zwitter ion?
Glycine (-COOH to -COO^-) & NH3+ ION )
68
What is an Example of Very High pH Ion?
Glycine ( -NH2 GROUP and -COO ION)
69
On Which side is C-terminal found?
Right
70
On Which side is N-terminal found?
Left
71
What is a Peptide Bond?
a type of covalent bond formed between two amino acids during a dehydration (or condensation) reaction
72
What is a heteropolymer?
Compound Formed by Different AAs
73
What reaction is done for Peptide Bond? 1. Reduction 2. Oxidation 3. Dehydration 4. AOT
3. Dehydration
74
What AAs are made in our body? 1. Non-essential 2. Essential 3. Poly-essential 4. AOT / NOT
1. Non-essential
75
What is the Trick For remembering Essential AAs?
Any Help In Learning These Little Molecules Proved Truly Valuable
76
Any Help In Learning These Little Molecules Proved Truly Valuable - What indicates "Any" ?
Arginine (Half Essential)
77
Any Help In Learning These Little Molecules Proved Truly Valuable - What indicates "Help" ?
Histidine
78
Any Help In Learning These Little Molecules Proved Truly Valuable - What indicates "In" ?
Isoleucine
79
Any Help In Learning These Little Molecules Proved Truly Valuable - What indicates "Learning" ?
Leucine
80
Any Help In Learning These Little Molecules Proved Truly Valuable - What indicates "These" ?
Threonine
81
Any Help In Learning These Little Molecules Proved Truly Valuable - What indicates "Little" ?
Lysine
82
Any Help In Learning These Little Molecules Proved Truly Valuable - What indicates "Molecules" ?
Methionine
83
Any Help In Learning These Little Molecules Proved Truly Valuable - What indicates "Proved" ?
Phenylalanine
84
Any Help In Learning These Little Molecules Proved Truly Valuable - What indicates "Truly" ?
Tryptophan
85
Any Help In Learning These Little Molecules Proved Truly Valuable - What indicates "Valuable" ?
Valine
86
What is the Full form of RUBISCO
Ribulose-1,5-bisphosphate carboxylase/oxygenase
87
What is the Most Abundant Protein in The Animal World?
Collagen
88
What is the Most Abundant Protein in The Whole Biosphere?
RUBISCO
89
What is the Function of GLUT-4 ?
It Enables glucose transport into cells
90
What are the 4 levels of Protein Structures?
Primary Secondary Tertiary Quaternary
91
What is the Primary Structure of Proteins C/d?
Polypeptide
92
What is the Bond B/w Two Proteins called?
Peptide Bond
93
What are the Two Types of Secondary Structure of Proteins?
1. Alpha 2. Beta
94
What is the Shape of Alpha Secondary Protein Structure ?
Helix
95
What is the Shape of Beta Secondary Protein Structure ?
Plated Sheets
96
Which Protein Structure is Biologically Active?
Tertiary
97
Which Protein Structure is found in haemoglobin ?
Quaternary
98
What does Quaternary Protein Structure Consist of?
2 alpha and 2 beta secondary Structures
99
Enzymes are Mostly which Biomolecules?
Proteins
100
What is an Enzyme But Not Protein?
RNA as It can also act as Ribulose Enzyme
101
Which Protein Structure is Needed For Enzyme to Perform All Biological Activity?
Tertiary Structure
102
Is the Functioning of Inorganic Catalysts Similar to Enzymes?
No
103
how is the functioning of enzymes and inorganic catalyst different?
Enzymes function in biological systems as highly specific, proteinaceous catalysts that operate efficiently under mild conditions (specific pH and temperature ranges). In contrast, inorganic catalysts are typically simple, low-molecular-weight inorganic compounds or metal ions that catalyze a broad range of non-biological reactions, often requiring harsh conditions like high temperatures and pressures. Enzymes are also subject to denaturation by extreme conditions, whereas inorganic catalysts are not
104
enzymes and inorganic catalyst which is subject to denaturing?
Enzymes
105
enzymes and inorganic catalyst which can work in Exterme Temperatures?
Inorganic Catalysts
106
enzymes and inorganic catalyst which can operate efficiently under mild conditions (specific pH and temperature ranges)?
enzymes
107
In thermophillic Bacteria the Enzymes work at What temperatures?
Extreme Temperatures
108
If the Reactants in an Catalytic Reaction have More Energy than The Products, the Reaction is c/d?
Endothermic
109
If the Reactants in an Catalytic Reaction have Less Energy than The Products, the Reaction is c/d?
Exothermic
110
When is The Energy of Activation Released In an Enzymatic Reaction ?
When Enzyme and Product Join
111
What type of Reaction is that when Energy of Activation is Higher than Binding Energy?
Endothermic
112
What type of Reaction is that when Energy of Activation is Lower than Binding Energy?
Exothermic
113
What is the Km Constant in Rate Of Reaction - Substrate Concentration Graph?
Michaelis and Menten's Constant
114
If Km Constant Increases Then The affinity B/w reaction and Substrate is?
Less
115
If Km Constant Increases then the Reaction is More or Less Efficient?
Less
116
If Km Constant Decreases Then The affinity B/w reaction and Substrate is?
more
117
If Km Constant Decreases then the Reaction is More or Less Efficient?
More
118
Where is Michaelis and Menten's Constant located in Rate Of Reaction - Substrate Concentration Graph?
Where The rate of reaction is Half of Maximum and Substrate Concentration is Equal to it.
119
What are Inhibitors ?
These Reduce Enzyme Activity , If in Greater Concentrations than Substrate.
120
What is the Inhibitor of Succinate Dehydrogenase?
Maltonate
121
What is the Substrate of Succinate Dehydrogenase?
Succinate
122
What is the Enzyme of Inhibitor Maltonate?
Succinate Hydrogenase
123
What is the Enzyme of Substrate Succinate ?
Succinate Hydrogenase
124
What is the Structure of Succinate?
COOH - CH2 - CH2 - COOH
125
What is the Structure of Maltonate ?
COOH - CH2 - COOH
126
what is it called when the Inhibitor's Structure is similar to the Substrate?
Competitive Inhibitor
127
What are Competitive Inhibitors used for in Medical Field?
to Control Bacterial Pathogens
128
The Names of Enzyme are Given as?
1.1.1.2 Class . Sub Class . Sub - Sub Class . Number given to enzymes
129
What are the Six Main Classes of Enzymes?
1. Oxido-Reductors / Dehydrogenases 2. Transferases 3. Hydrolases 4. Lyases 5. Isomerases 6. Ligases
130
What are the Functions of Dehydrogenases?
Redox Reactions
131
What are the Functions of Transferases?
It transfers any groups other than Hydrogen
132
What are the Functions of Hydrolases?
It catalyzes chemicals in presence of H2O
133
What are the Functions of Lyases?
It catalyzes chemicals in Absence of H2O
134
What are the Functions of Isomerases?
Facilitates Intermolecular Arrangements OR It Converts a molecule from One Isomer to Another.
135
What are the Functions of Ligases?
It Creates Catalyzes formation of New Bonds.
136
What is the Example of Dehydrogenases?
Alcohol Dehydrogenases
137
What are the Examples of Transferases?
Hexokinase and PFK-1 (Phospho-fructo-Kinases)
138
Hydrolases Catalyze Which type of Bonds? Book mark
Ester, Ether, Peptide, Glycosidic, C-C, C-halide and N-P
139
What are the Examples of Hydrolases ?
Digestive Enzymes (pepsin, trypsin , Amylase) Lysosomal Enzymes (Hydrolytic Enzymes)
140
What are the Examples of Lyases ?
Aldolase
141
What are the Functions of Lyases?
They catalyze removal of groups from substrate by processes other than Hydrolysis leaving behind double bonds
142
Examples of Isomerases?
Phospho-Hexo-Isomerase And Triose Isomerase
143
What are the Examples of ligases ?
DNA ligase
144
Ligases Catalyze Which type of Bonds?
C-O, C-S, C-N, P-O, ETC
145
what is the most abundant biomolecule on earth?
Cellulose
146
Which of the Following Is a Disaccharide? 1. Glucose 2. Fructose 3. Maltose 4. Galactose
3. Maltose
147
When does Apoenzyme becomes active?
When Co--factor is added to it
148
What is the Active Apoenzyme condition called?
Holoenzyme
149
What is holoenzyme?
Active Apoenzyme condition. Where an proteinaceous enzyme is inactive, but becomes active when non proteinaceous part joins it.
150
What are the Three types of Co-factor?
1. Prosthetic Group 2. Co-enzyme 3. Inorganic Ions
151
What are Organic Co Factors?
1. Prosthetic Group 2. Co-enzyme
152
What are Organic Co Factors?
Metal Ions
153
What are Some Enzymes requiring Prosthetic Group?
Peroxidase and Catalase (requires Haem)
154
What are Some Enzymes requiring Co-enzymes?
NAD and NADP (Nicotinamide Adenine Dinucleotide Phosphate) - requires Vitamin B3(niacin)
155
What type of Co factor is Niacin?
Co-enzyme
156
What type of Co factor is Haem?
Prosthetic Group
157
What type of Co factor is Vitamin B3?
Co-enzyme
158
What are Some Enzymes requiring Metal Ions?
Alcohol Dehydrogenase & Carboxy Peptidase
159
What Type of Co-factor is Zinc?
Metal Ions
160
Carboxy Peptidase requires which Co-factor and Its group?
Zinc and Metal Ions
161
Alcohol Dehydrogenase requires which Co-factor and Its group?
Zinc and Metal Ions
162
Catalase requires which Co-factor and Its group?
Haem and Prosthetic Group
163
Peroxidase requires which Co-factor and Its group?
Haem and Prosthetic Group
164
NAD requires which Co-factor and Its group?
Niacin (Vitamin B3) and Co-enzyme
165
Describe Glucose?
Poly Hydroxy Aldehyde
166
Describe Fructose?
Poly Hydroxy Ketone
167
Which Carbon is Chiral Carbon in Glucose?
2
168
Which Carbon is Chiral Carbon in Fructose?
2
169
Which Carbon has Inverted H - C - OH Placement in Alpha Glucose?
3
170
Which Carbon has Inverted H - C - OH Placement in Beta Glucose?
1 and 3
171
What are Some Examples of Monosaccharides?
1. Glucose 2. Fructose 3. Ribose 4. Galactose
172
What Are the Examples of Disaccharides?
1. Maltose 2. Lactose 3. Trehalose 4. Sucrose
173
What is the Trick For Disaccharides?
MeLTS (Sugars gal jati hai na)
174
What is Maltose Sugar Made Up of?
Glucose + Glucose
175
What type of Bond is Found in Maltose?
α, α (1→4) glycosidic bond
176
What is Lactose Sugar Made Up of?
Glucose + Galactose
177
What is Trehalose Sugar Made Up of?
Glucose + Glucose
178
What type of Bond is Found in Trehalose ?
α, α-1,1-glycosidic bond
179
What is Sucrose Sugar Made Up of?
Glucose + Fructose
180
What are Some Examples of Oligo Saccharides?
1. 3C - Raffinose 2. 4C - Stachyose
181
What is Raffinose Made Up of?
Glucose + Fructose + Galactose
182
What is Stachyose Made Up of?
Glucose + Fructose + 2 Galactose
183
What are some Examples of Homo polysaccharides?
1. Glycogen 2. Starch 3. Cellulose 4. Dextrose 5. Inulin 6. Chin
184
What is Glycogen Made Up of?
Alpha D Glucose
185
What is Starch Made Up of?
Alpha D Glucose
186
What is Cellulose Made Up of?
Beta D Glucose
187
What is Chitin Made Up of?
N - Acetyl Glucose Amine
188
What is Inulin Made Up of?
Fructose
189
What is Dextrose Made Up of?
Alpha - D Glucose
190
What is the Shape of Cellulose?
Linear
191
What is the Shape of Starch ?
Mostly Branched
192
What are the Parts and Their Distribution Among Starch?
1. Alpha - Amylose : 30% 2. Amylopectin : 70%
193
What type of Bond is Found in Cellulose ?
α, α 1,4 Glycosidic Bond
194
What is the Shape of Alpha - Amylose?
Unbranched
195
What is the Shape of Amylopectin?
Branched
196
Iodine Test is Positive For Which Homo - Polysaccharide?
Starch
197
What are Some Examples of Hetero Polysaccharides?
1. Peptidoglycan 2. Hyaluronic Acid
198
What is Peptidoglycan Made Up of?
N - Acetyl Glucose Amine + N - Acetyl Muramic Acid
199
What is Hyaluronic Acid Made Up of?
N - Acetyl Glucose Amine + N - Acetyl Glucuronic Acid
200
In a Hetero Polymer, The Left End is AKA?
Non - Reducing End
201
In a Hetero Polymer, The Right End is AKA?
Reducing End
202
What is the type of Bond B/w Unbranched Glucose?
α, α-1,4-glycosidic bond
203
What is the type of Bond B/w Branched Glucose?
α, α-1,6-glycosidic bond
204
tollens reagent and fehling's solution Identify?
Reducing End of Hetero Polysaccharide Chain As it Possesses Free Aldehyde Group
205
Benedict's Test Is Used to Identify? 1. Proteins 2. Lipids 3. Reducing Sugars 4. Non-Reducing Sugars 5. Secondary Metabolites
3. Reducing Sugars
206
Which is a Homopolymer? 1. Proteins 2. RNA 3. DNA 4. Glycogen
4. Glycogen
207
Identify The Correct Statements: (One or More) 1. Primary Metabolites are Universal 2. Secondary Metabolites are Species-specific 3. Elemental Analysis gives Molecular Formula 4. Compound Analysis gives actual structure
AOT
208
Match the Following: 1. Sucrose --- A. Reducing Sugar 2. Compound Analysis --- B. Non-Reducing Sugar 3. Maltose --- C. Empirical Formula 4. Elemental Analysis --- D. Shape and Structure
1. B 2. D 3. A 4. C
209
A: Glycogen is c/d Animal Starch R: Its Structure is Similar to Amylopectin , But More Branched. 1. A and R true, R is Correct for A 2. A and R true, R is Not Correct for A 3. A true, R false 4. R true, A false
1. A and R true, R is Correct for A
210
A: Monosaccharides are Sweet and Soluble in Water R: They have small molecular weight and Polar hydroxyl Groups 1. A and R true, R is Correct for A 2. A and R true, R is Not Correct for A 3. A true, R false 4. R true, A false
1. A and R true, R is Correct for A
211
Which of the Following Test will Best Identify Proteins? 1. Benedict's Test 2. Biuret's Test 3. Iodine Test 4. Sudan III Test
2. Biuret's Test
212
Which of the following explains why lipids are considered macromolecules but not polymers? (a) They are formed by condensation of identical monomers (b)They are hydrophilic in nature (c) They are high molecular weight but not repeating units (d) They have peptide bonds
(b)They are hydrophilic in nature
213
A compound shows C. H. N. O in elemental analysis, has peptide bonds, gives positive Biuret test It is (a) Protein (b) Nucleic acid (c) Lipid (d) Polysaccharide
(a) Protein
214
Lipids are found in the Macromolecular Pool or Micromolecular Pool?
Macromolecular Pool
215
Why do lipids not mix with Filtrate?
Because The Filtrate is Polar in Nature and Lipids are Non-Polar in Nature And Do Not Mix with Water
216
Fatty Acids are Made Up of ?
A fat/long Hydrocarbon Chain With a -COOH group
217
What is Name of the 16 Carbon Fatty Acid?
Palmitic Acid
218
What is Name of the 20 Carbon Fatty Acid?
Arachidonic Acid
219
What is the Example of a Saturated Fatty Acid?
Palmitic Acid
220
What is the Example of a Unsaturated Fatty Acid?
Arachidonic Acid
221
What are the Features of Saturated Fatty Acids?
Less Bonds --> More Compactability, More Solidity and More Melting Point
222
What are the Features of Unsaturated Fatty Acids?
More Bonds --> Less Compactability, Less Solidity (Liquid) and Less Melting Point
223
What are Lipids Made Up of?
Fats - Fatty Acids + Glycerol
224
What is the Chemical name of Glycerol?
Tri Hydroxy Propane
225
Which Functional Groups Detach when Glycerol and Fatty Acids Join?
-OH and -COOH Groups
226
What is an Ester Bond B/w?
-OH and -COOH groups
227
What are the Three Types of Lipids?
1. Simple 2. Conjugated 3. Derived
228
What are Some Examples of Simple Lipids?
Fats, Oils
229
What are Some Examples of Simple Lipids?
Lecithin (Found in Alveoli)
230
What are Conjugated Lipids?
In which Additional Groups are Seen, Like Phosphate,etc
231
What are the Derived Lipids?
molecules resulting from the partial hydrolysis (breaking down with water) of simple and compound lipids Modified Lipids
232
What Lipid is commonly derived to Form Many Derived Lipids?
Sterols
233
Example of a Phospholipid?
Lecithin
234
How many carbons are In Sterols?
17C
235
How many carbons are In Cholesterols?
27C
236
What is the Mnemonic for Neutral AAs?
GALIV
237
What AAs does GALIV stand For?
Glysine, Alanine, Leucine, Isoleucine and Valine
238
Describe the Structure of Sterol?
3 Hexagons and 1 Pentagon
239
Nucleic Acids are Polymers of Which Substance?
Nucleotides
240
What is a Nucleotide Made Up of?
Nitrogen Base Pairs + Pentose Sugar + Phosphate / Phosphoric Acid
241
What are Heterocyclic Compounds?
Compounds having Elements Other than C, H and O
242
What is a Nucleoside Made Up of?
Nitrogen Base Pair + Pentose Sugar
243
What are the Groups added in Nucleotides to Make them into Nucleic Acids?
Phosphate or Phosphoric Acid
244
What are the Examples of Nitrogen Bases?
Purine and Pyrimidine
245
Describe the Structure of Purine?
A Hexagonal C-Chain merged with a Pentagonal C-Chain. And Nitrogen is present at 1,3,7,9.
246
Describe the Structure of Pyrimidine?
A Hexagonal C-Chain. and Nitrogen is Present at 1,3.
247
Where is the Location of the 1 In Purine?
West - Most in hexagonal Chain
248
Where is the Location of the 1 In Pyrimidine?
Lower Most in hexagonal Chain
249
What is the Direction from 1 to 3 in Hexagonal Chain of Purine ?
Anti - Clock wise
250
What is the Direction from 1 to 3 in Pyrimidine?
Clock wise
251
What is the Direction from 6 to 7 in Hexagonal Chain of Purine ?
Clock wise
252
What are the Examples of Purine?
Adenine and Guanine
253
What are the Examples of Pyrimidine?
Thymine, Cytosine and Uracil
254
What are the Nitrogen Pairs Present in DNA?
Adenine, Guanine, Thymine and Cytosine
255
What are the Nitrogen Pairs Present in RNA?
Adenine, Guanine, Uracil and Cytosine
256
At what Position, Purine bonds with Sugars?
9
257
At what Position, Purine has NH?
9
258
What are the Positions of Hydrogen in Pyrimidine?
2, 4 and 5
259
What are the Positions of Oxygens in Pyrimidine?
2 and 4
260
What is the Position of Double Bonding in Uracil?
Oxygen - 2 and 4 B/w 5 and 6
261
N' as Designated Position in a molecule serves for which Group?
Sugars
262
What is the Example of Pentose Sugars?
Ribose
263
What is the Example of Hexose Sugars?
Glucose
264
At what Position is the Oxygen removed from the Hydrogen in the Pentose Sugars?
2'
265
What are the Prefix when a Phosphate is joined with a Nucleoside?
- Ate
266
What are the Prefix when a Phosphoric Acid is joined with a Nucleoside?
- Ic Acid
267
The Bond B/w Nucleoside and Phosphate is K/a?
N - Glycosidic Bond
268
What Prefixes are Used for a Nucleoside?
-nosine for Purines and -dine for Pyrimidines
269
What are Pyrimidines based Nucleosides?
Cytodine Thymidine Uridine
270
What are Purines based Nucleosides?
Adenosine and Guanosine
271
What are Pyrimidines based Nucleotides?
Cytidylic Acid Thymidylic Acid Uridylic Acid
272
What are Purines based Nucleotides?
Adenylic Acid and Guanylic Acid
273
What is the Phosphate Bonds joining to 1 compound called?
Phospho ester Bond
274
What are the Phosphate Bonds joining 2 compounds called?
Phospho diester Bond
275
Example of Phosphodiester Bond?
DNA , Nuclease
276
What forms the Backbone Structure in DNA?
Phosphate and Sugar
277
Match column I with II: I.Sucrose --- (p) Non-reducing sugar II. Maltose (q) Reducing sugar III. Cellulose (r) β-glucose polymer IV.Glycogen (s) Storage in animals (a) I-p, II-q, III-r, IV-s (b) I-q, II-p, III-r, IV-s (c) I-s, II-q, III-p, IV-r (d) I-p, II-s, III-q, IV-r
(a) I-p, II-q, III-r, IV-s
278
A:Monosaccharides are sweet and soluble in water. R:They have small molecular weight and polar hydroxyl groups. (a)Both A & R true, R correct explanation (b)Both true, R not correct explanation (c)A true, R false (d)Both false
(a)Both A & R true, R correct explanation
279