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Biological Molecules -Carbohydrates

Description

Quiz about Carbohydrates
Charlotte Willis
Quiz by Charlotte Willis, updated more than 1 year ago
Charlotte Willis
Created by Charlotte Willis about 6 years ago
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Resource summary

Question 1

Question
What is a Polymer?
Answer
  • lots of monomer glued together
  • large complex molecules made up of long chains of monomers
  • A type of carbohydrate
  • A secondary structure of a protein

Question 2

Question
Monomers are [blank_start]small[blank_end], [blank_start]basic[blank_end] molecular units
Answer
  • small
  • basic
  • complex
  • long

Question 3

Question
Most Carbohydrates are...
Answer
  • small
  • long chains
  • Polymers
  • monomers

Question 4

Question
Carbohydrates are made from Monosccharides?
Answer
  • True
  • False

Question 5

Question
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].
Answer
  • monosaccharides
  • glucose
  • fructose
  • galactose

Question 6

Question
Examples of monomers are...
Answer
  • Nucleotides
  • proteins
  • monosccharides
  • amino acids

Question 7

Question
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.
Answer
  • hexose
  • sixose
  • pentose
  • 6
  • 5
  • 8
  • 7
  • monosaccharides
  • polymer
  • monomer
  • pentose sugar

Question 8

Question
What elements make up carbohydrates?
Answer
  • Carbon
  • Hydrogen
  • Oxygen
  • Potassium
  • Calcium
  • Sodium

Question 9

Question
There are two types of glucose [blank_start]alpha and beta[blank_end] - they're [blank_start]isomers[blank_end]
Answer
  • alpha and beta
  • isomers

Question 10

Question
Drag and drop the options...
Image:
Glucose T (binary/octet-stream)
Answer
  • a-glucose
  • b-glucose
  • protein
  • carbohydrate

Question 11

Question
The OH group on b-glucose is found on the [blank_start]top[blank_end]
Answer
  • top

Question 12

Question
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.
Answer
  • chemical bond
  • peptide bond
  • polymer
  • added
  • removed

Question 13

Question
Carbohydrates bond by condensation reactions
Answer
  • True
  • False

Question 14

Question
[blank_start]Condensation[blank_end] [blank_start]reactions[blank_end] bonds together two monosaccharides.
Answer
  • Condensation
  • reactions

Question 15

Question
What sort of bond is between two monosaccharides?
Answer
  • Glycosidic
  • Peptide
  • Hydrogen
  • Glucose

Question 16

Question
A disaccharide is made up of [blank_start]2[blank_end] monosaccharides
Answer
  • 2
  • 3
  • 4
  • 1
  • 5

Question 17

Question
Glucose + Glucose = [blank_start]Maltose[blank_end] Glucose + [blank_start]Galacose[blank_end] = Lactose Glucose + Sucrose = [blank_start]Fructose[blank_end]
Answer
  • Maltose
  • Lactose
  • Fructose
  • Galacose
  • Glucose
  • Hydrogen
  • Sucrose
  • Fructose
  • Maltose
  • Glucose
  • Lactose

Question 18

Question
FIll in the blanks...
Image:
Hydrolysis (binary/octet-stream)
Answer
  • Condensation reaction
  • Hydrolysis Reaction
  • Glycosidic

Question 19

Question
Condensation reaction is the breaking down of glycosidic bonds to form monosaccharides.
Answer
  • True
  • False

Question 20

Question
Due to hydrolysis...
Answer
  • Water is released to split the disaccharide
  • water is added as it is required to split the disaccharide

Question 21

Question
Hydrolysis is the opposite of condensation reaction
Answer
  • True
  • False

Question 22

Question
How are carbohydrates broken down into monosaccharides?
Answer
  • Condensation reaction
  • Hydrolysis reaction
  • Benedict's test

Question 23

Question
Benedict's test is for [blank_start]sugars[blank_end]
Answer
  • sugars

Question 24

Question
Sugars is the general term used for
Answer
  • Carbohydrates
  • Monosaccharides
  • Disaccharides
  • proteins

Question 25

Question
Benedict's test is positive for non-reducing sugars?
Answer
  • True
  • False

Question 26

Question
Reducing sugars are...
Answer
  • All monosaccharides and some disaccharides (maltose)
  • All disaccharides and some monosaccharides (Glucose)

Question 27

Question
The formula for monosaccharides isn
Answer
  • True
  • False

Question 28

Question
The formula for glucose is [blank_start]C₆H₁₂O₆[blank_end]
Answer
  • C₆H₁₂O₆
  • C6H12O6
  • C₂H₄O₂

Question 29

Question
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.
Answer
  • Benedict's test
  • Iodine test
  • Benedicts test but extra stages before
  • coloured
  • brick red
  • blue
  • green
  • colourless

Question 30

Question
Benedict's reagent is an acid solution of copper (II) sulfate?
Answer
  • True
  • False

Question 31

Question
What is the chemical name for the precipitate when a reducing sugar is heated with Benedict's reagent.
Answer
  • Copper (I) oxide - insoluble
  • Copper (I) oxide - soluble
  • Copper (I) sulfate - soluble
  • Copper (I) sulfate - insoluble

Question 32

Question
The first step to the benedict's test is...
Answer
  • 1) Add the food sample to the test tube to be tested
  • 1) Heat up Benedict's reagent and heat

Question 33

Question
WHat are the second and third steps to Benedict's test?
Answer
  • 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

Question 34

Question
When there is a negative test for the Benedict's test the sample remains blue?
Answer
  • True
  • False
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