Biochemistry Lab 5

Which one of the following is false regarding carbohydrates?
Natural compound with (CH2O)n formula
Have either aldehyde or ketone group
The don't contain hydroxy group
The are classified into mono,di,oligo and polysaccharide
They are simple sugars with multiple OH groups:
Glucose
starch
lactose
Sucrose
Glycogen
Cellulose
Which one of the following is polysaccharide?
Cellulose
starch
Glycogen
Amylopectin
Amylose
All of the above
Maltose is composed of:
Glucose and galactose
Glucose and fructose
2 galactose
2 Glucose
What is the name of the following structure?
Dihydroxyacetone
Ribose
Ribulose
Fructose
When a ketone reacts with alcohol it will give:
hemiketal
Hemiacetal
Ketone
Aldehyde
This image represent
Hemiketal
Hemiactal
ketone
Aldehyde
What is the name of the bond between any two sugar unit
Amide bond
Peptide bond
Ester bond
Glycosidic bond
Which of the following is correct about the bond between two sugar units
It is covalent bond
It is glyosidic bond
It is ether bond
All of the above
Non of the above
Which one of the following is non-reducing sugars?
Sucrose
Fructose
Lactose
Maltose
Galactose
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