Digestion And Absorption Flashcards

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1
Q

Where is Enzyme Amylase produced?

A

Produced in Salivary Glands or Pancreas

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2
Q

What is the function of Amylase?

A

Function of Amylase is to hydrolyse Starch to Maltose

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3
Q

What are Membrane bound Disaccharides? And what are the different type of Membrane Bound Disaccharides are their?

A

Membrane Bound Disaccharides hydrolyse disaccharides to monosaccharides
The different type of Membrane-Bound Disaccharide are Maltase(Maltose) Sucrase(Sucrose)

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4
Q

Where is Enzyme Lipase present?

A

Small Intestine

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5
Q

What is the function of Enzyme Lipase?

A

Enzyme Lipase is to hydrolyse Lipids to Monoglycerides and Fatty Acids

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6
Q

What and where is Bile Salt produced?
[2 Adaptation]

A

Bile Salt is made by the Liver
Bile Salt emulsify lipids giving it a large Surface Area so it can easily be hydrolysed by Enzyme Lipase
2) Products which remain associated with Bile Salt Form Micelles which travel to ileum and Brake down when in contract with EPITHELIUM so products diffuse straight into epithelium which increase Rate of Absorption.

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7
Q

What is the advantage of Micelles ?

A

Micelles travel to ileum and are broken down when in contact with EPITHELIUM SO products diffuse straight into epithelium so INCREASE RATE OF ABSORPTION

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8
Q

What is the function of Enzyme Protease?

A

Function of Enzyme Protease is the hydrolyse proteins(Polypeptide) into Amino Acids

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9
Q

What is the function of EndoPeptidases?

A

The function Of EndoPeptidase is to hydrolyse Peptide bonds in the MIDDLE REGION of a polypeptide chain.

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10
Q

What is the Function of Exopeptidase?

A

Function of Exopeptidase is to hydrolyse peptide bonds on TERMINAL Amino Acid

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11
Q

What is the Function of Membrane Bound Dipeptidases?

A

Function of Membrane Bound Dipeptidases is to hydrolyse Dipeptides into 2 amino acids

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12
Q

How is Amino Acid/Glucose and Monosaccharides transported into the Epithelium? And through what protein?

A

Co-Transport through CHANNEL PROTEIN.
Na+ DOWN concentration gradient.
AminoAcid/Glucose AGAINST concentration gradient
From lumen into Epithelium

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13
Q

How is AminoAcid/Glucose and Na+ transported from Epithelium into Blood through what proteins?

A

1.First thing that happens is: Na+ actively transported into Blood through CARRIER Protein and K+ Actively transported from Blood into Epithelium
2.AminoAcid/Glucose FACILITATED DIFFUSED into blood through Channel Protein

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14
Q

What is the advantage of Sodium-Potassium Pump? And what is it?
[IN ABSORPTION]

A

Sodium-Potassium Pump is when K+ actively transported into Epithelium and Na+ into Blood
NA+-K+ pump ensures FAVOURABLE CONCENTRATION of Na+ maintained from Lumen into Epithelium ENSURES transported into the Blood.

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15
Q

Where do the Monoglyceride travel to and Recombine to form what?

A

Monoglyceride travel to Endoplasmic Reticulum and Recombine to form TRIGICLYCERIDE

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16
Q

How are Lipids transported away?

A

Trigclyercerides and then packaged in GOLGI BODY and Combine with Proteins to form CHYLOMICRONS and travel to LACTEAL by EXOCYTOSIS and transported away from Small intestine