3. (6) Match the description on the left with the molecule on the right. High en

Question

3. (6) Match the description on the left with the molecule on the right. High energy bond on ATP a Ester linkage b Proine cGlycosidic bond Bond that links amino acids Results from condensation of carboxylic acid and alcohol Forms kinks in polypeptides d Leuine e phosphodiester Bond linking monosaccharides Important in helping enzymes transfer groups, such as acetyl groups Amino acid that can be phosphorylated Carrier of high energy electrons during biosynthesis Main lipid component of many membranes Amino acid that might be found on the interior of a protein, away from H20 Main component of starch, cellulose 8 NADP h phospholipids i phosphoanhydride NAD+ k Coenzyme A Serin m His hdin and glycogen Allows polypeptides to get really close to one another n Amide o glucose

Explanation / Answer

1) High energy bond on atp - phosphoanhydride bond

2) bond that link amino acid- amide bond

> Amino Acids are connected by Peptide Bonds to Form Polypeptide Chains. Proteins are linear polymers start by linking the -carboxyl group of 1 amino acid to the -amino group of another amino acid with a peptide bond (also called an amide bond).

3) result from condensation of carboxylic acid and alcohol - ester linkage

> carboxylic acid is treated with an alcohol and an acid catalyst, an ester is formed with water. This reaction is called the Fischer esterification.

4) forms kinks in polypeptide -

5)bond links monosaccharides - Glycosidic bonds

> Glycosidic bonds are the covalent chemical bonds that link ring-shaped sugar molecules to other molemncules.

6) enzyme transfer group such as acetyl group - coenzyme

function of coenzyme is to assist in enzyme activity.  Coenzymes are non-protein organic molecules and derivatives of vitamins

7) amino acid that can phosphorylated - serine

Phosphorylation can occur on serine, threonine and tyrosine side chains are called 'residues' through phosphoester bond formed.

8) carrier of high energy electrons during biosynthesis - NADP+

Nicotinamide adenine dinucleotide phosphate, abbreviated NADP+ .NADPH operates chiefly with enzymes that catalyse anabolic reactions, supplying the high-energy electrons required to synthesize energy-rich biological molecules.

9) main lipid component of many membrane -  phospholipids.

The three major classes of membrane lipids are phospholipids, glycolipids, and cholesterol.

10 ) amino acids that might be found in interior of protein , away from water -  Leucine - Leu - L ,Glycine - Gly - G, Proline - Pro - P  

Hydrophobic (normally buried inside the protein core):

> Alanine - Ala - A
> Isoleucine - Ile - I
> Leucine - Leu - L
>Methionine - Met - M
>Phenylalanine - Phe - F
>Valine - Val - V
>Proline - Pro - P
>Glycine - Gly - G

11) main component of starch glucose and glycogen - glucose

Starch and glycogen are made from alpha-glucose. isomer of glucose is hydroxyl (-OH) group link to carbon number 1 is below the plane of the ring.

12)allow polypeptide to get really close to one another-

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