Enzymes are needed for digestion?Explain?
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Digestive enzymes
Digestive enzymes all belong to the hydrolase class, and their action is one of splitting up large food molecules into their ‘building block’ components. Another unique property is that they are extracellular enzymes that mix with food as it passes through the gut. The majority of other enzymes function within the cytoplasm of the cell.
The chemical digestion of food is dependent on a whole range of hydrolase enzymes produced by the cells lining the gut as well as associated organs such as the pancreas. The end goal is to break large food molecules into very much smaller ‘building block’ units. These can then be readily and rapidly absorbed through the gut wall and into the bloodstream for transport to the liver and from there to other parts of the body.
The main enzyme-producing structures of the human digestive system are the salivary glands, stomach, pancreas, liver and small intestine.
Digestive juices and enzymes
Substance digested
Product formed
Saliva
Amylase
Starch
Maltose
Gastric juice
Protease (pepsin) and hydrochloric acid
Proteins
Partly digested proteins
Pancreatic juice
Proteases (trypsin)
Lipases
Amylase
Proteins
Fats emulsified by bile
Starch
Peptides and amino acids
Fatty acids and glycerol
Maltose
Intestinal enzymes
Peptidases
Sucrase
Lactase
Maltase
Peptides
Sucrose (sugar)
Lactose (milk sugar)
Maltose
Amino acids
Glucose and fructose
Glucose and galactose
Glucose
Bile from the liver
Bile salts
Fats globules
Fat droplets
The following pathway summarises how starch present in a food like bread is broken down chemically into glucose, which can then be absorbed through the intestinal wall and into the bloodstream for transport to the liver and from there to other parts of the body.
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Digestive enzymes all belong to the hydrolase class, and their action is one of splitting up large food molecules into their ‘building block’ components. Another unique property is that they are extracellular enzymes that mix with food as it passes through the gut. The majority of other enzymes function within the cytoplasm of the cell.
The chemical digestion of food is dependent on a whole range of hydrolase enzymes produced by the cells lining the gut as well as associated organs such as the pancreas. The end goal is to break large food molecules into very much smaller ‘building block’ units. These can then be readily and rapidly absorbed through the gut wall and into the bloodstream for transport to the liver and from there to other parts of the body.
The main enzyme-producing structures of the human digestive system are the salivary glands, stomach, pancreas, liver and small intestine.
Digestive juices and enzymes
Substance digested
Product formed
Saliva
Amylase
Starch
Maltose
Gastric juice
Protease (pepsin) and hydrochloric acid
Proteins
Partly digested proteins
Pancreatic juice
Proteases (trypsin)
Lipases
Amylase
Proteins
Fats emulsified by bile
Starch
Peptides and amino acids
Fatty acids and glycerol
Maltose
Intestinal enzymes
Peptidases
Sucrase
Lactase
Maltase
Peptides
Sucrose (sugar)
Lactose (milk sugar)
Maltose
Amino acids
Glucose and fructose
Glucose and galactose
Glucose
Bile from the liver
Bile salts
Fats globules
Fat droplets
The following pathway summarises how starch present in a food like bread is broken down chemically into glucose, which can then be absorbed through the intestinal wall and into the bloodstream for transport to the liver and from there to other parts of the body.
I hope it will be useful to you
pls mark it as brainliest answer
thank you!!!
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