Which of the following is true about Glycerol

1.It is trihydroxy propane

2.Fatty acids are esterified with glycerol

3.It forms the backbone of phospholipids

4.All of these

Which one of the following is False?

1.Fatty acids and glycerol are soluble in water

2.phospholipids are found in the cell membrane

3.Oils have lower melting point.

4.In lipids fatty acids are found esterified with glycerol

When chemical analysis of living tissue was done  using trichloroacetic acid, then then filtrate formed was

1.acid insoluble fraction

2.acid soluble fraction

3.retentate

4.Both 1 and 3

CO₂ dissolving in water is a

1.Physical process

2.Catalysed process in living system

3.Chemical process

4.both 1 and 2

Which of the following is true?

1.The conversion of acetic acid to cholesterol is an anabolic process.

2.The conversion of glucose to lactic acid is a catabolic process.

3.The conversion of acetic acid to cholesterol is a bio-synthetic pathway

4.All of these

Which of the following is true?

1.Inorganic catalyst work efficiently at high temperatures and high pressures

2.Generally, enzymes get damaged at high temperatures

3.Thermostable enzymes retain their catalytic power even at high temperatures.

4.All of these

Which of the following is correct?

1.Physical change refers to change in shape without breaking the bonds

2.Change in state of matter also takes place in physical change

3.Chemical change involves breaking of old bonds and formation of new ones.

4.All of these

Which of the following is correct?

1.The ES complex formation is a transient phenomenon

2.The structure of the substrate gets transformed into the structure of product.

3.All the structures formed between substrate and product are called intermediates.

4.All of these

Transition state structure of the substrate formed during an enzymatic reaction is

1.transient but stable

2.permanent but unstable

3.transient and unstable

4.permanent and stable

Which of the following is correct for enzyme catalysed reaction?

1.Substrate is converted into Enzyme

2.Substrate is consumed in the reaction completely

3.Substrate is converted to product

4.Enzyme is converted to product