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How can enzymes function effectively at a very low pH level?
Enzymes can function effectively at a very low pH level because they have evolved to have specific structures that are stable and active in acidic environments. These structures allow enzymes to maintain their shape and function even in extreme pH conditions, enabling them to catalyze chemical reactions efficiently.
How are enzymes damaged by high temperature?
The body has its own normal temp. And enzymes function along with body temp, you go to high or low it can cause severe damage to the body. Enzymes are proteins, and they are denatured (change in structure) when expose to high temps.
Allosteric enzymes are most effective when the substrate concentration is?
low, as they can exhibit cooperative binding of substrates and activators at low concentrations. At high substrate concentrations, the active site may become saturated, reducing the impact of allosteric regulation.
What happens to enzymes at low pH levels?
At low pH levels, enzymes can become denatured, meaning their structure and function can be disrupted. This can lead to a decrease in enzyme activity and effectiveness.
What effect does low temperature have on photosynthesis?
Low temperatures can slow down the rate of photosynthesis because the enzymes involved in the process become less active. This can lead to reduced carbon dioxide fixation and ultimately lower production of glucose and oxygen. Extremely low temperatures can even damage the plant cells and photosynthetic machinery, affecting overall growth and survival.
Does cold water kill enzymes?
No low temperture only stops the function of an enzyme.When temperature increased enzymes become active
How can enzymes function effectively at a very low pH level?
Enzymes can function effectively at a very low pH level because they have evolved to have specific structures that are stable and active in acidic environments. These structures allow enzymes to maintain their shape and function even in extreme pH conditions, enabling them to catalyze chemical reactions efficiently.
What happens to enzymes at a low pH?
At low pH, enzymes can denature, meaning their shape and structure change, impairing their ability to function properly. This alteration in shape can disrupt the enzyme's active site, making it unable to bind to its substrate and catalyze reactions effectively. Ultimately, the enzyme may become inactive.
Which digestive enzymes are active under strongly acidic conditions?
Pepsin is the primary digestive enzyme that is active under strongly acidic conditions, specifically in the stomach where the pH can be as low as 1.5 to 3.5. It is responsible for breaking down proteins into smaller peptides. Additionally, gastric lipase also functions in the acidic environment of the stomach, aiding in the digestion of fats. These enzymes are adapted to operate effectively in the low pH of gastric juice.
How are enzymes damaged by high temperature?
The body has its own normal temp. And enzymes function along with body temp, you go to high or low it can cause severe damage to the body. Enzymes are proteins, and they are denatured (change in structure) when expose to high temps.
Allosteric enzymes are most effective when the substrate concentration is?
low, as they can exhibit cooperative binding of substrates and activators at low concentrations. At high substrate concentrations, the active site may become saturated, reducing the impact of allosteric regulation.
Is there possibly some advantage to having certain enzymes such pepsin active in the low pH the stomach?
Yes, having enzymes like pepsin active in the low pH of the stomach is advantageous because it allows for the efficient breakdown of proteins into smaller peptides in an acidic environment. The acidic pH not only activates pepsinogen to pepsin but also helps to denature proteins, making them more accessible for enzymatic action. Additionally, the low pH creates a hostile environment for many pathogens, contributing to the overall digestive process and protecting against infections.
What happens to enzymes at low pH levels?
At low pH levels, enzymes can become denatured, meaning their structure and function can be disrupted. This can lead to a decrease in enzyme activity and effectiveness.
What effect does low temperature have on photosynthesis?
Low temperatures can slow down the rate of photosynthesis because the enzymes involved in the process become less active. This can lead to reduced carbon dioxide fixation and ultimately lower production of glucose and oxygen. Extremely low temperatures can even damage the plant cells and photosynthetic machinery, affecting overall growth and survival.
Why does destroying the active site by heating the enzyme to a high temparature stop the enzyme from working?
Extremely high or low pH values or heat generally result in complete loss of activity for most enzymes. They lose the shape that they should be in to fit into the active site. They and the active site work as a lock and key. If the key (or the lock) change shape, the mechanism will not work.
What alters an enzymes structure?
These can range from optimum high and low temperarures, high to low Ph concenttrations
Why can erepsins be stored in active forms?
Erepsins, digestive enzymes that break down proteins into smaller peptides and amino acids, can be stored in active forms because they are secreted as inactive zymogens or proenzymes. When needed, these zymogens are activated by specific conditions in the digestive tract, such as low pH or the presence of other enzymes, to prevent self-digestion or the digestion of other tissues before reaching their target sites.
