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The activity of the enzymes depends on the specific pH needed.
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∙ 7y ago
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All enzymes function optimally at pH equals 7.4 . true or false?
Enzymes have an individual optimum pH, such as pepsin has a very low optimum pH
Are pH level and enzymes related?
Most enzymes only work in a certain pH range; pH is not dependent on the presence of enzymes, however.
Can enzymes work over a broad range of PH levels?
Most enzymes work best at a certain pH, however there are some enzymes that can operate over a broad pH range.
Why would a washing powder of high pH or low pH be difficult to handle?
actors such as temperature and pH can affect an enzyme's rate of reaction because enzymes are sensitive to pH and heat. Most enzymes can only function in a particular temperature or pH range, and as the enzyme works out of its normal temperature and pH range, it will denature (change in shape so that the active site no longer fits with the substrate and the enzyme can't function).
How might very low pH affect an enzyme's hydrogen bonds?
A very low pH can break the hydrogen bonds in an enzyme which causes the shape of the enzyme to change shape making the enzyme unable to do it's job. This is called "denaturation" However some enzymes such as pepsin only work in a low pH (pepsin works best in a pH of about 3) so it does depend on the enzyme.
All enzymes function optimally at pH equals 7.4 . true or false?
Enzymes have an individual optimum pH, such as pepsin has a very low optimum pH
Which organ secrets enzymes that are active at a low pH?
The stomach secretes protease enzymes that work best at a pH of around 2.
What happens when the pH of the extracellular fluid declines?
the enzymes change
How are enzymes degraded?
Enzymes can be denatured if the pH is too acidic or basic, or at very high or low temperatures.
What alters an enzymes structure?
These can range from optimum high and low temperarures, high to low Ph concenttrations
What is the reason why pH effects enzymes?
If the pH is to low meaning its too acidic, or if the pH is to high meaning its too basic it can slow down the enzyme even destroy it. Never say kill, as enzymes are not living things.
What happens if enzymes are not at optimum ph?
Enzyme become denatured.
Can salivary enzymes function in the acidic environment of the stomach?
No, enzymes like salivary amylase will denature when subjected to the low pH of the gastric juices. This is why there are similar, but slightly different enzymes released in the stomach. Some (like pepsin) are only activated through the high hydrochloric acid concentration.
Are pH level and enzymes related?
Most enzymes only work in a certain pH range; pH is not dependent on the presence of enzymes, however.
What effect has pH on enzymes?
too high or too low pH denatures the enzymes. you will get a small reaction with a base or acid. neutral pH level maximizes reactions
How does substrate concentration and pH affect enzymes?
Substrate concentration will affect enzymes because substrates are specific to enzymes. The pH will affect enzymes because certain enzymes will work better in certain pH levels.
How can enzymes be inactived?
All enzymes work best at a certain temperature and pH. They also need a substrate to work on. A change in pH or temperature will inactive it by denaturing it. If the substrate is very low in quantity or is absent, the enzyme will be inactive.
