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Sedbober [7]
4 years ago
8

Why does the enzyme pepsin (present in the stomach) denature in the intestine?

Biology
1 answer:
Phoenix [80]4 years ago
4 0
<span>Pepsin is an enzyme that breaks down proteins. Produced in the stomach, pepsin becomes inactive at pH values of 6.5 or more, but it is not fully denatured until it is in an environment with a pH of 8.0. Bile in the small intestine increases the pH value of food from the stomach to make them alkaline, which denatures pepsin.</span>
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How is harvesting food crops similar to, and different from, mining?
Tresset [83]

Answer:

Both extract from the soil while difference in their extraction method.

Explanation:

Harvesting food crops similar to mining because both are gained from the soil whereas it is also different from mining due to their method of extraction. Seeds are grown again and again in the soil and other agronomic activities has to be done to gain good yield of the crops while on the other hand, in mining precious metals is to be extracted that is already present in the soil.

4 0
3 years ago
What is the difference between glycerol and glycogen?
Margaret [11]
Glycogen is a polysaccharide that is often referred to as animal starch (however this is not correct). It is the storage form of glucose in animal cells.

Glycerol is a compound consisting of a simple molecule. Used during the preparation of prescription drugs. 

(hope this helps somewhat, let me know if you need me to explain)
6 0
3 years ago
Some cancers are caused by mutations that stop certain proteins from working. The inactivation of whát kind or protein could lea
77julia77 [94]

Answer:

The inactivation of one protein that slow down the cell cycle could lead to cancer. (option b).

Explanation:

The cell cycle is the process a cell undergoes when it divides during its life. This process includes a control mechanism to prevent normal cells from replicating more than normal, called cell cycle regulation.

In oncogenesis - the formation of malignant tumours - many factors induce the abnormal growth of a tissue by the abnormal multiplication of the cells that form it, leading to cancer. One of these factors may be a mutation in the DNA that prevents the production of regulatory proteins.

The mutation that produces exaggerated cell growth -and which can eventually lead to cancer- can create defects in a specific regulatory protein that slow down the cell cycle, so that exaggerated and uncontrolled cell replication occurs.

Once a tumor tissue has formed, successive mutations will lead to a lack of cell differentiation, the property of forming blood vessels, the ability to invade tissue and lose its apoptosis mechanism, that characterizes cancer cells.

Learn more:

Cyclines in cell cycle regulation brainly.com/question/6821354

3 0
3 years ago
( Help me please and thank you )
Tamiku [17]
It’s A because the warm is harming the roots hope this helps
3 0
3 years ago
Read 2 more answers
What is a chemical process as it pertains to the human body?
Sav [38]

The chemical processes being done in the body is known as Metabolism. Metabolic processes are constantly taking place in the body.Metabolism is the sum of all of the chemical reactions that are involved in catabolism and anabolism.

The reactions governing the breakdown of food to obtain energy are called catabolic reactions.

7 0
3 years ago
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