Chemistry, 04.03.2020 23:18 Gennn43

1) β-galactosidase is a unique enzyme, in that it can have multiple substrates. What are some other substrates for β-galactosidase? What are some other inhibitors for β-galactosidase?

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Answer from: dorindaramirez0531

The natural substrate of beta glycosidase enzyme is Ganglioside GMI, Lactosylceramide, lactose and glycoprotein.

Inhibitors of beta galactosidase enzyme is 1,4-dithiothreitol, beta marcaptoethanol, 4-chloromercurobenzoic acid and Acid-beta galactosidase.

Explanation:

Beta galactosidase enzyme performs the hydrolysis of beta galactosides into monosaccharides. It acts on aryl, amino, alkyl beta glycosidic linkages also.

The enzyme attacks on the bond formed between organic entity and galactose sugar.

It can act on multiple substrates. Some substrates are :

Ganglioside GMI

Lactosylceramide

Lactose : Enzyme beta galactosidase enzyme is a boon for lactose intolerant people because it breaks lactose in yoghurt, sour cream and cheese and makes it easy for consumption to such people.

glycoprotein : These have glycosidic bonds on which enzyme works to break the bonds.

The inhibitors for the β-galactosidase are :

4-dithiothreitol

beta marcaptoethanol

4-chloromercurobenzoic acid

Acid-beta galactosidase.

When inhibitors are bind to enzyme it breaks down the inhibitor and reaction does not takes place.

Answer from: Quest

elements make up everything, and they combine to make compounds.

the answer is c

Answer from: Quest

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. $hbr$ completely dissociates to $h^+$ and $br-$ ions. a is incorrect because $h_2s$ does not fully ionize to $h^+$ and $hs^-$ ions and some remain as the compound $h_2s$ . c and d are incorrect because, $li_2o$ and $libr$ do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise, if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both $li_2o$ and $libr$ have a complete octet so can not accept any electrons which disqualifies them as acids.

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