_______ is a fibrous protein that is thread-like and occurs either singly or in groups.
Adenine
Guanine
Collagen
Invert sugar is a mixture of glucose and _______ in equimolar quantities.
Cytosine
Fructose
Uracil
Which reagent is used to convert glucose into saccharic acid?
Nitric acid
An alkaline solution of iodine
Ammonium hydroxide
When glucose reacts with bromine water, the main product is ________ acid.
Glyceraldehyde
Acetic
Gluconic
The carbohydrates are stored in the animal body as _______.
Glycogen
Lactose
Thiamine
Which of the following acids is a vitamin?
Aspartic acid
Ascorbic acid
Adipic acid
________ are joined together by phosphodiester linkage between 5’ and 3’ carbon atoms of the pentose sugar.
Nucleotides
Pyridoxine
Dinucleotides
Nucleic acids are long-chain polymers of _________.
Polynucleotides
Dinucleotides
Nucleotides
Which one of the following compounds is found abundantly in nature?
Fructose
Cellulose
Starch
When Glucose gives a silver mirror with Tollen's reagent, it shows the presence of the alcoholic group.
True
False
The major energy currency molecule of the cell is ______.
ATP
ADP
AMP
What are the hydrolysis products of sucrose?
Fructose + Fructose
Glucose + Glucose
D-Glucose + D-Fructose
How many C-atoms are there is a pyranose ring?
Three
Six
Ten
Vitamins are produced by the body.
True
False
Vitamin C is also known as _________ acid.
Ascorbic
Glutamic
Glycine
Glucose reacts with acetic anhydride to form ________.
Monoacetate
Tetra-acetate
Penta-acetate
A diabetic person carries a packet of glucose with him always because glucose increases the blood sugar level almost instantaneously.
True
False
Which of the following is an inverted sugar?
Cellobiose
Maltose
Sucrose
The function of glucose is to provide energy.
True
False
In fibrous proteins, polypeptide chains are held together ________.
Van der Waals forces
Covalent bonds
Hydrogen bonds