What is a Polymer?
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
Monomers are ❌, ❌ molecular units
Most Carbohydrates are...
small
long chains
Polymers
monomers
Carbohydrates are made from Monosccharides?
The monomers which make up Carbohydrates are called and examples of these are , and .
Examples of monomers are...
Nucleotides
proteins
monosccharides
amino acids
Glucose is a hexose sixose pentose( hexose, sixose, pentose ) sugar this is a monosaccharides polymer monomer pentose sugar( monosaccharides, polymer, monomer, pentose sugar ) with 6 5 8 7( 6, 5, 8, 7 ) carbon atoms in each molecule.
What elements make up carbohydrates?
Carbon
Hydrogen
Oxygen
Potassium
Calcium
Sodium
There are two types of glucose - they're
Drag and drop the options...
The OH group on b-glucose is found on the
Condensation reactions when two molecules join together to form a chemical bond peptide bond polymer( chemical bond, peptide bond, polymer ). HO₂ is added removed( added, removed ) to the reaction.
Carbohydrates bond by condensation reactions
bonds together two monosaccharides.
What sort of bond is between two monosaccharides?
Glycosidic
Peptide
Glucose
A disaccharide is made up of 2 3 4 1 5( 2, 3, 4, 1, 5 ) monosaccharides
Glucose + Glucose = Maltose Lactose Fructose( Maltose, Lactose, Fructose ) Glucose + Galacose Glucose Hydrogen Sucrose( Galacose, Glucose, Hydrogen, Sucrose ) = Lactose Glucose + Sucrose = Fructose Maltose Glucose Lactose( Fructose, Maltose, Glucose, Lactose )
FIll in the blanks...
Condensation reaction is the breaking down of glycosidic bonds to form monosaccharides.
Due to hydrolysis...
Water is released to split the disaccharide
water is added as it is required to split the disaccharide
Hydrolysis is the opposite of condensation reaction
How are carbohydrates broken down into monosaccharides?
Condensation reaction
Hydrolysis reaction
Benedict's test
Benedict's test is for
Sugars is the general term used for
Carbohydrates
Monosaccharides
Disaccharides
Benedict's test is positive for non-reducing sugars?
Reducing sugars are...
All monosaccharides and some disaccharides (maltose)
All disaccharides and some monosaccharides (Glucose)
The formula for monosaccharides isn
The formula for glucose is ❌
The test for reducing sugars is ❌. The positive outcome of the test is a ❌ precipitate.
Benedict's reagent is an acid solution of copper (II) sulfate?
What is the chemical name for the precipitate when a reducing sugar is heated with Benedict's reagent.
Copper (I) oxide - insoluble
Copper (I) oxide - soluble
Copper (I) sulfate - soluble
Copper (I) sulfate - insoluble
The first step to the benedict's test is...
1) Add the food sample to the test tube to be tested
1) Heat up Benedict's reagent and heat
WHat are the second and third steps to Benedict's test?
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
When there is a negative test for the Benedict's test the sample remains blue?
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