The reaction to produce soap can be completed by cooking animal fat with a very strong solution of SODIUM HYDROXIDE.
This process is called saponification. Chemically, animal fat and strong solution of sodium hydroxide or potassium hydroxide mixed together to produce soap and glycerol.<span />
Under anaerobic conditions in yeast cells, pyruvate is converted to acetaldehyde and carbon dioxide, with the acetaldehyde being subsequently converted to ethanol in a step that oxidizes NADH to NAD. This process is called alcoholic fermentation.
Alcoholic fermentation is a process which involves the conversion of sugars into ethyl alcohol and carbon dioxide by yeast. This process can occur under aerobic as well as anaerobic conditions.
Under anaerobic conditions, the yeast cells convert the pyruvate into ethanol. The pyruvate is first converted into acetaldehyde and carbon dioxide is released. Acetaldehyde is then converted to ethanol. NADH is oxidized to form NAD+.
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It’s protein llllllllllllllllllllllllll
Climatic variations and Human activities , i don’t know the third reason ..
The term "submandibular lymphadenopathy" describes swollen lymph nodes under the mandible (lower jaw). Infection is typically indicated by hot, swollen, sensitive, and pliable lymph nodes that are also accompanied by other symptoms.
Additionally, infections of the upper respiratory tract, tonsils, sinuses, or from mononucleosis and cut-scratch disease can cause submandibular lymphadenopathy.
<h3>What is lymph node ?</h3>
A small bean-shaped element of the immunological system. White blood cells called lymphocytes, which are found in the lymph nodes of the body, help the body fight off disease and infection. They remove materials that the lymphatic fluid does not filter. There are thousands of lymph nodes all across the body.
- Immune cells are produced in lymph nodes to help in the fight against infection. They also filter the lymph fluid to remove contaminants like pathogens and cancerous cells. They can swell as a result of swelling, an abscess, cancer, and—most commonly—inflammation.
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