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Digestive System

Digestive System is the category for questions regarding the breakdown and absorption of food-stuffs in our alimentary canal. Questions about the stomach and intestines can be included in this category.

7,599 Questions

Where does macromolecule digestion take place in the cell?

Macromolecule digestion primarily takes place in organelles called lysosomes within the cell. Lysosomes contain enzymes that break down macromolecules such as proteins, lipids, and carbohydrates into smaller molecules that can be used by the cell for energy or building new molecules.

What are digested proteins called?

Proteins are obtained from nutrients of food. They starts to digest in stomach by proteases such as pepsin, trypsin in to peptides. These small peptides later digested further to form amino acids after complete digestion.

What is the scientific common name for gastrointestinal disease?

It doesn't really has, some people and doctors, if they write something about it they put it like GI. GastroIntestinal.

Does chymotrypsin digest proteins?

Yes, chymotrypsin digests proteins. Chymotrypsin is included in the group of proteolytic enzymes called "serine proteases". This name is referred to their common catalytic mechanism characterized by a particular reactive Serine residue that is essential for their enzymatic activity.

Chymotrypsin is secreted from the pancreas and has a particular breakage activity of peptide bond from proteins. To do this, the protein to be digested has to have a Phenylalanine (Phe), Tryptophan (Trp), or a Tyrosine (Tyr) as bulky amino acid residues before the peptide bond to be cleaved. Moreover, when that particular amino acid residue, just before the peptide bond, is an Asparagine (Asn), Histidine (His), Methionine (Met) or Leucine (Leu), the breakage process is slower.

Finally, when the amino acid residue previous to the peptide bond is a Proline (Pro), the cleavage doesn't take place.

What is digestion in gravimetric analysis?

gravimetric analysis is the study of weighing certain compounds, comparing, heating, precipitating, to give us the mass of a specific molecule as a result gravimetric analysis is the study of weighing certain compounds, comparing, heating, precipitating, to give us the mass of a specific molecule as a result

Which body system is responsible for producing enzymes that aid in breaking down substances to be absorbed for the body's growth and repair?

The digestive system is responsible for producing enzymes that aid in breaking down substances for absorption. These enzymes help to break down food into smaller molecules that can be absorbed by the body for growth and repair.

How much time does it take for ants to digest their food?

Ants can digest their food relatively quickly, usually within a few hours to a day depending on the type of food and the species of ant. The digestion process involves enzymes breaking down the food into nutrients that can be absorbed by the ant's body.

What manufactures enzymes to digest all energy-yielding nutrients?

The pancreas manufactures enzymes that help digest carbohydrates, proteins, and fats. These enzymes are released into the small intestine to break down these nutrients into smaller molecules that can be absorbed by the body for energy.

Which Cell organelle fuses with a vesicle for purposes of digestion?

The lysosome fuses with a vesicle for the purpose of digestion within the cell. Lysosomes contain enzymes that break down molecules into smaller components that can be used by the cell for energy or recycled for other processes.

Pancreatic enzymes digest all types of fluids after they are secreted into the?

small intestine. These enzymes break down carbohydrates, proteins, and fats into smaller molecules that can be absorbed by the body for energy and nutrition. They are vital for proper digestion and nutrient absorption.

What system is the gastrointestinal tract?

The gastrointestinal tract is part of the digestive system, which is responsible for processing food and extracting nutrients to support the body's functions. It consists of various organs including the mouth, esophagus, stomach, small intestine, and large intestine.

How much time is taken by salivary amylase to digest starch at 37 celsius?

Salivary amylase typically takes around 30 minutes to begin breaking down starch into maltose at 37 degrees Celsius. However, complete digestion of starch by salivary amylase may take longer and depends on various factors such as the concentration of the enzyme and starch, pH levels, and other digestive processes that occur in the gastrointestinal tract.

Can gluten be digested?

Yes, gluten can be digested by the body. However, some individuals may have gluten intolerance or celiac disease, in which case they may experience difficulty in digesting gluten, leading to symptoms like stomach pain, bloating, and diarrhea.

How the digestive system digest the food and what are the steps and the role of tissues?

well digestive system is made up of tissue, ie., start from mouth to rectum. The food passes through, oesophagus,colon,stomach,etc., where the food get digested by the acids,agenst and enzymes secreted in the stomach/colon.

For the absorption of nutrients in the colon is done by villus.

What is another name for the chemical digestion of polymer?

Hydrolysis is another name for the chemical digestion of polymers. This process involves breaking down large molecules into smaller units using water molecules.

Can pepsin work under the acidic conditions present in the stomach?

Yes, pepsin can work under acidic conditions in the stomach because it is optimally active at a low pH. The acidic environment in the stomach helps activate pepsinogen, the precursor to pepsin, and maintains the pH range suitable for pepsin to function in breaking down proteins into smaller peptides.

The first digestive enzyme of the gastrointestinal tract?

It is the saliva produced by the mouth which starts to break down the food. The technical term for the enzyme is salivary amylase.

Type of organelle carries digestive enzymes capable of destroying such foreign material as bacteria?

Lysosomes are the organelles responsible for carrying digestive enzymes that can break down foreign material such as bacteria. They help to maintain cell health by removing waste and harmful substances.

What can not be digested as you do not have the right enzmes?

Lactose, a sugar found in dairy products, cannot be digested properly if the body does not produce enough lactase enzyme. This can lead to digestive issues such as bloating, gas, and diarrhea in individuals who are lactose intolerant.

What is absorption in biology?

Absorption in biology refers to the process by which substances, such as nutrients and water, are taken up by cells and tissues in the body. This process typically occurs in the digestive system, where nutrients from food are absorbed into the bloodstream for use by the body's cells.

Epithelial lining of the gastrointestinal tract is called what?

The epithelial lining of the gastrointestinal tract is called the mucosa. It is composed of specialized cells that help with absorption, secretion, and protection within the digestive system.

What happens when you eat uranium?

Eating uranium is a bad idea, as you probably guessed. Fortunately for people, most uranium that is ingested will pass relatively quickly through the digestive tract, but some may be absorbed. Absorbed uranium poses a hazard, and the amount of uranium ingested would have to be quantified to make an assessment. Breathing uranium, which is a separate issue, is much more hazardous.

There will be variations in the amounts of uranium absorbed by the body that will depend on whether the ingested material is uranium metal or whether it is a compound of this actinide. Organic compounds will be absorbed more readily than, say, uranium oxide. Further, the uranium that gets uptaken may be deposited in the bones, the liver or other places.

The long term effect of absorbed uranium is that is may be in someone for a while and present a radiation hazard. We know that uranium is radioactive, though weakly. If uranium is deposited in tissue, it may stay there for a while. Radioactive decay will leave decay products, which are also radioactive, stuck within the affected tissue. Anyone who "takes in" uranium may be in store for some body scans to assess damage and what risks the future may hold. It is a challenge to quantify the amount of uranium that a person may have within him, and medical assessment will depend on a good workup.

If stomach acid has a pH of about 2 what can you reach about the pH of an antacid solution that is used to neutralize excess stomach acid?

An antacid solution used to neutralize excess stomach acid would have a higher pH than stomach acid, typically closer to 7 or slightly above to effectively neutralize the acid. This means that the antacid solution would be less acidic and more basic compared to stomach acid.

Can stomach acid dissolve fingernails if so then how long would it take?

Yes, stomach acid can dissolve organic materials like fingernails due to its high acidity (pH 1.5-3.5). The time it would take for stomach acid to dissolve fingernails would vary depending on factors such as the strength of the acid, the size of the nail piece, and the individual's digestive system, but it could potentially happen within a few hours to a couple of days.