Digestion of Food in Humans

Which of the following substances is at its lowest level in fish food?

Which one of the following enzymes carries out the initial step in the digestion of milk in humans?

Arrange the following sentences in order with respect to digestion:
i) Chyme enters the duodenum.
ii) Mixes with digestive enzymes from the pancreas and bile juice from the liver.
iii) Pyloric sphincter valve opens.
iv) Passes through the small intestine.

Ribonuclease and deoxyribonuclease break down 

Nuclease breakdown nucleic acid into nucleotides by cleaving the phosphodiester bond which is present between the nucleotides in the nucleic acids.

RNA and DNA are hydrolized by the _____  enzymes

Write a short note on digestion of nucleic acids in human body.

List the enzymes secreted in the pancreatic juice.

Chymotrypsinogen is carbohydrate digesting enzymes.

Chymotrypsinogen is a zymogen that is released in an inactive form. Which enzyme helps in its activation into chymotrypsin?

Complete the given reaction.

$Chymotryp\sin ogen\stackrel{?}{\to }Chymotryp\sin$

Explain the function of lysozyme in saliva.

Lysozyme is found in the _____ (saliva/pancreatic juice) of the human body.

Which of the enzyme has antimicrobial properties and is found in the saliva?

Lysozyme is found in the gastric juice.

How many stages are involved in the deglutition process?

Which of the following process takes place after the intake of the food in the mouth?

Explain the voluntary stage of deglutition.