Why can enzymes be used over and over again

Question

Because enzymes are not consumed in the reactions they catalyze and can be used over and over again, only a very small quantity of an enzyme is needed to catalyze a reaction. A typical enzyme molecule can convert 1,000 substrate molecules per second.

Esther Anderson · Accepted Answer

Because enzymes are not consumed in the reactions they catalyze and can be used over and over again, only a very small quantity of an enzyme is needed to catalyze a reaction. A typical enzyme molecule can convert 1,000 substrate molecules per second.

Esther Anderson · Answer

Enzymes are biological catalysts. They catalyse biochemical reactions. They increase the rate of reaction. They do not chemically react or get utilised in the reaction so enzymes can be used over and over again.

Esther Anderson · Answer

"Its shape determines the neurotransmitters that can reach its active center where activation energy is lowered" definitely best explains why acetylcholinesterase cannot be used to catalyze the breakdown of other neurotransmitters, like norepinephrine. You were right. Good job. 🙂

Esther Anderson · Answer

"Its shape determines the neurotransmitters that can reach its active center where activation energy is lowered" is the one among the following that explains why acetylcholinesterase cannot be used to catalyze the breakdown of other neurotransmitters, like norepinephrine. The correct option among all the options that are given in the question is the second option or option "B".

Esther Anderson · Answer

Its shape determines the neurotransmitters that can reach its active center where activation energy is lowered.

Esther Anderson · Answer

d)Its shape determines the neurotransmitters that can reach its active center where activation energy is lowered Explanation:Acetylcholinesterase also referred to as AChE, is an enzyme that catalyzes the breakdown of acetylcholine and some other choline esters in the body and this is achieved by breaking down the acetylcholine into its two component parts, acetic acid and choline.A careful look at the chemical structure of acetylcholine and epinephrine shows differences in the chemical group present and therefore acetylcholinesterase cannot catalyze the break down of epinephrine.

Esther Anderson · Answer

The answer from: Infectious diseases are caused by organisms called pathogens. Pathogens can be bacteria, viruses, fungi, or protists. One common disease caused by a fungus is attlethes foot

Esther Anderson · Answer

The most appropriate answer would be B. Its shape determines the neurotransmitters that can reach its active center where activation energy is lowered. Most of the enzymes are highly specific in nature that is, they recognize a particular substrate or a group of substrate.This specificity is mainly achieved by the interactions taken place between substrate and the active site of an enzyme.In most cases, the active site of the enzyme binds only to a specific substrate.In addition, shape of the substrate complements the shape of the active site of an enzyme as also observed in case of lock (enzyme) and a key (substrate).The specificity is also achieved by induced fit method in which specific substrate brings about some conformational changes in the active site. Consequently, the substrate gets fitted in the active site.Similarly, in case of acetylcholinesterase (enzyme) also, the shape of the enzyme determines the neurotransmitter (substrate) that can reach its active center or active site where the activation energy is lowered.

Esther Anderson · Answer

A) You would have to incorporate that gene into the bacteria's plasmid (genetic information that isn't in its main genome) so that it can use it and express its message. This is done using enzymes that cut that circular plasmid, insert the gene you want, and put the circular molecule back together. Once you have the bacteria with the plasmid in it, you replicate that bacteria, so all the resulting copies will have that gene and they'll express it.B) If not enough protein is being produced it could be because you don't have enough bacteria, you'd need a bigger population. The medium the bacteria is in also should be optimal so that it can be as efficient as possible.

Esther Anderson · Answer

The answer from: Infectious diseases are caused by organisms called pathogens. Pathogens can be bacteria, viruses, fungi, or protists. One common disease caused by a fungus is attlethes foot

Dr. Kole Osinski V

Why can enzymes be used over and over again

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