12167567
Descrição
Quiz por Charlotte Willis, atualizado more than 1 year ago
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Criado por Charlotte Willis
quase 7 anos atrás
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Questão 1
Questão
What is a Polymer?
Responda
-
lots of monomer glued together
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large complex molecules made up of long chains of monomers
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A type of carbohydrate
-
A secondary structure of a protein
Questão 2
Questão
Monomers are [blank_start]small[blank_end], [blank_start]basic[blank_end] molecular units
Responda
-
small
-
basic
-
complex
-
long
Questão 3
Questão
Most Carbohydrates are...
Responda
-
small
-
long chains
-
Polymers
-
monomers
Questão 4
Questão
Carbohydrates are made from Monosccharides?
Responda
- True
- False
Questão 5
Questão
The monomers which make up Carbohydrates are called [blank_start]monosaccharides[blank_end] and examples of these are [blank_start]glucose[blank_end], [blank_start]fructose[blank_end] and [blank_start]galactose[blank_end].
Responda
-
monosaccharides
-
glucose
-
fructose
-
galactose
Questão 6
Questão
Examples of monomers are...
Responda
-
Nucleotides
-
proteins
-
monosccharides
-
amino acids
Questão 7
Questão
Glucose is a [blank_start]hexose[blank_end] sugar this is a [blank_start]monosaccharides[blank_end] with [blank_start]six[blank_end] carbon atoms in each molecule.
Responda
-
hexose
-
sixose
-
pentose
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6
-
5
-
8
-
7
-
monosaccharides
-
polymer
-
monomer
-
pentose sugar
Questão 8
Questão
What elements make up carbohydrates?
Responda
-
Carbon
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Hydrogen
-
Oxygen
-
Potassium
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Calcium
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Sodium
Questão 9
Questão
There are two types of glucose [blank_start]alpha and beta[blank_end] - they're [blank_start]isomers[blank_end]
Responda
-
alpha and beta
-
isomers
Questão 10
Responda
-
a-glucose
-
b-glucose
-
protein
-
carbohydrate
Questão 11
Questão
The OH group on b-glucose is found on the [blank_start]top[blank_end]
Responda
-
top
Questão 12
Questão
Condensation reactions when two molecules join together to form a [blank_start]chemical bond[blank_end]. HO₂ is [blank_start]added[blank_end] to the reaction.
Responda
-
chemical bond
-
peptide bond
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polymer
-
added
-
removed
Questão 13
Questão
Carbohydrates bond by condensation reactions
Responda
- True
- False
Questão 14
Questão
[blank_start]Condensation[blank_end] [blank_start]reactions[blank_end] bonds together two monosaccharides.
Responda
-
Condensation
-
reactions
Questão 15
Questão
What sort of bond is between two monosaccharides?
Responda
-
Glycosidic
-
Peptide
-
Hydrogen
-
Glucose
Questão 16
Questão
A disaccharide is made up of [blank_start]2[blank_end] monosaccharides
Responda
-
2
-
3
-
4
-
1
-
5
Questão 17
Questão
Glucose + Glucose = [blank_start]Maltose[blank_end]
Glucose + [blank_start]Galacose[blank_end] = Lactose
Glucose + Sucrose = [blank_start]Fructose[blank_end]
Responda
-
Maltose
-
Lactose
-
Fructose
-
Galacose
-
Glucose
-
Hydrogen
-
Sucrose
-
Fructose
-
Maltose
-
Glucose
-
Lactose
Questão 18
Responda
-
Condensation reaction
-
Hydrolysis Reaction
-
Glycosidic
Questão 19
Questão
Condensation reaction is the breaking down of glycosidic bonds to form monosaccharides.
Responda
- True
- False
Questão 20
Questão
Due to hydrolysis...
Responda
-
Water is released to split the disaccharide
-
water is added as it is required to split the disaccharide
Questão 21
Questão
Hydrolysis is the opposite of condensation reaction
Responda
- True
- False
Questão 22
Questão
How are carbohydrates broken down into monosaccharides?
Responda
-
Condensation reaction
-
Hydrolysis reaction
-
Benedict's test
Questão 23
Questão
Benedict's test is for [blank_start]sugars[blank_end]
Responda
-
sugars
Questão 24
Questão
Sugars is the general term used for
Responda
-
Carbohydrates
-
Monosaccharides
-
Disaccharides
-
proteins
Questão 25
Questão
Benedict's test is positive for non-reducing sugars?
Responda
- True
- False
Questão 26
Questão
Reducing sugars are...
Responda
-
All monosaccharides and some disaccharides (maltose)
-
All disaccharides and some monosaccharides (Glucose)
Questão 27
Questão
The formula for monosaccharides isn
Responda
- True
- False
Questão 28
Questão
The formula for glucose is [blank_start]C₆H₁₂O₆[blank_end]
Responda
-
C₆H₁₂O₆
-
C6H12O6
-
C₂H₄O₂
Questão 29
Questão
The test for reducing sugars is [blank_start]Benedict's test[blank_end]. The positive outcome of the test is a [blank_start]coloured[blank_end] precipitate.
Responda
-
Benedict's test
-
Iodine test
-
Benedicts test but extra stages before
-
coloured
-
brick red
-
blue
-
green
-
colourless
Questão 30
Questão
Benedict's reagent is an acid solution of copper (II) sulfate?
Responda
- True
- False
Questão 31
Questão
What is the chemical name for the precipitate when a reducing sugar is heated with Benedict's reagent.
Responda
-
Copper (I) oxide - insoluble
-
Copper (I) oxide - soluble
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Copper (I) sulfate - soluble
-
Copper (I) sulfate - insoluble
Questão 32
Questão
The first step to the benedict's test is...
Responda
-
1) Add the food sample to the test tube to be tested
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1) Heat up Benedict's reagent and heat
Questão 33
Questão
WHat are the second and third steps to Benedict's test?
Responda
-
2) Add Benedict's Reagent
-
3) Heat the mixture in a gently boiling water bath for 5 mins
-
2) Heat the food sample for 5mins
-
3) Add Benedict's reagent to the hot food sample
-
3) Heat the mixture in a boiling water bath for 5mins
Questão 34
Questão
When there is a negative test for the Benedict's test the sample remains blue?
Responda
- True
- False
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