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

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

Which of the following class of enzyme is used for catalysing hydrolysis of ester, ether, peptide bonds?

1.Lyases

2.Ligases

3.Hydrolases

4.Both 1 and 2

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

In triglycerides, glycerol is linked to Fatty acid with

1.Ether bond

2.Ester bond

3.Amide bond

4.Glycosidic bond

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

1.positive

2.negative

3.no charge

4.All of these

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