Lipids were found to be present in the acid insoluble pool because

1.It forms vesicles on disruption

2.Vesicles are water insoluble

3.Vesicles are hydrophobic in nature

4.All of these

An amino acid can have ____ charge in solutions of  different pH.

1.positive

2.negative

3.no charge

4.All of these

In triglycerides, glycerol is linked to Fatty acid with

1.Ether bond

2.Ester bond

3.Amide bond

4.Glycosidic bond

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