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प्रश्न
Describe the following: Digestion of fat in the intestine
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उत्तर
The enzyme Dnase converts DNA into Deoxyribonucleotides, Rnase converts RNA into ribonucleotides, nucleotidase converts the nucleotides into nucleosides and phosphate and finally nucleoside phosphorylase converts nucleosides into nitrogenous bases and pentose phosphate. Nucleic acids are digested in the small intestine as below:
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संबंधित प्रश्न
Fat is completely digested in the ______.
In human digestive system, the enzymes pepsin and trypsin are secreted respectively by:
(a) pancreas and liver
(b) stomach and salivary glands
(c) pancreas and gall bladder
(d) stomach and pancreas
When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then from its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache.
(a) What are (i) organisms A, and (ii) substance B?
(b) What are (i) part C, and (ii) part D, of tooth known as?
(c) By what name are the holes E in the tooth known?
(d) Name the part F of the tooth.
(e) What will happen if organisms A reach part F of the tooth known?
Gastric juice contains
Which one of the following pairs of types of teeth perform one common function as stated against it?
Study the diagram given below and then answer the question that follows:
Describe the structure of the part labelled '3'.
Give two reasons to explain why the absorption of digested food occurs mainly in the small intestine.
Name the following
The organ where protein digestion-begins
Give reasons for the following:
All teeth in the mouth are not alike.
Write short answers
What is ingestion?
Define with examples: Autotrophs
Name the types of teeth in human with functions.
The question has four options. Choose the correct answer:
The amount of saliva produced per day in human is
The process of digestion starts from the ______.
List out the functions of the digestive system.
A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains:
The contraction and expansion movement of the walls of the food pipe is called ____________.
Mention the 3 important digestive glands in the process of digestion?
Draw the diagram of the alimentary canal of man and label the following parts. Mouth, Oesophagus, Stomach, Intestine.
Give two reasons, why bile juice is considered to be an important secretion of liver in the process of digestion?
