In triglycerides, glycerol is linked to fatty acid with a/an
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
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
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