Most enzymes consist of two parts i.e.
1. Holoenzyme and prosthetic group
2. Enzyme and coenzyme
3. Apoenzyme and enzyme
4. Apoenzyme and cofactor
Which one is the most abundant protein in the animal world?
1. Collagen
2. RUBISCO
3.Trypsin
4. Insulin
Which of the following does not affect the activity of simple enzyme?
1. Temperature
2. Presence of coenzymes
3. pH
4. Substarate concentration
Which of the following is incorrect match of the compounds shown?
Which of the following statements is not correct about proteins?
1. The first amino acid of all the proteins is also known as N-terminal amino acid
2. In proteins, only right handed helics are observed
3. - helics are tertiary structures of proteins
4. Primary structure of a protein dictates its secondary and tertiary conformations
Which of the following is incorrect statement with respect to carbohydrates?
1. Mannose and galactose are polymers of glucose
2. Cellulose acetate is used in fabrics, cellulosic plastics and shatter proof glasses
3. Most of sugars show Benedict's test but not sucrose
4. Sucrose is composed of glucose and fructose and is a non-reducing sugar
Which of the following is diagrammatic representation of phospholipid (lecithin)?
Following is the diagrammatic representation of three different amino acids labelled as 1, 2 and 3?
Select the option which is correct identification of amino acids 1, 2 and 3.
1 2 3
Glycine Valine Threonine
Glycine Isoleucine Aspartic acid
Glycine Alanine Serine
Glycine Serine Alanine
Find the wrong statement
1. Living state is non-equilibrium steady state to be able to perform work
2. There is no uncatalysed metabolic conversion in living systems
3. Tertiary structure is absolutely necessary for the many biological activities of proteins
4. Cellulose contain complex helices where it can hold iodine
The molecule that provides stability to cell membrane is