Which one of the following statements is incorrect?

Conjugated proteins containing carbohydrates as prosthetic group are known as  
1. Chromoproteins
2. Glycoproteins
3. Lipoproteins
4. Nucleoproteins

Telomerase is an enzyme which is a
1. repetitive DNA
2. RNA
3. simple protein    
4. ribonucleoprotein

Select the option which is not correct with respect to enzyme action:
1. Substrate binds with enzyme at its active site.
2. Addition of a lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate.
3. A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate.
4. Malonate is a competitive inhibitor of succinic dehydrogenase.

Prosthetic groups differ from co-enzymes in that
1. they require metal ions for their activity.
2. they (prosthetic groups) are tightly bound to apoenzymes.
3. their association with apoenzymes is transient.
4. they can serve as co-factors in a number of enzyme-catalyzed reactions.

The catalytic efficiency of two different enzymes can be compared by the
1. formation of the product
2. pH optimum value
3. Km value
4. molecular size of the enzyme

Which one of the following statements is wrong?
1. Glycine is a sulphur containing amino acid.
2. Sucrose is a disaccharide.
3. Cellulose is a polysaccharide.
4. Uracil is a pyrimidine.

Which of the following organic compounds is the main constituent of Lecithin?

Which one of the following is a non-reducing carbohydrate?

Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by 

1.	base-sugar-phosphate
2.	base-sugar-OH
3.
4.	sugar-phosphate