Biology Animal Nutrition Part 1

What range of pH level is suitable for the action of salivary amylase?

• pH 1-2

• pH 3-4

• pH 5-6

• pH 6-7

What substrate do salivary amylase break down?

• Protein

• Starch

• Maltose

• Fats

Name the chemical secreted by the liver in order to aid the digestion of fats.

which term describes the physical breaking down of food into smaller pieces in the mouth?

• mastication

• peristalsis

• emulsification

• assimilation

which of the following correctly describes the sequence of events taking place throughout the alimentary canal?

• ingestion--assimilation--absorption--digestion

• digestion--ingestion--absorption--assimilation

• absorption--digestion--ingestion--assimilation

• ingestion--digestion--absorption--assimilation

what is the name of product of digestion of starch by amylase?

What are the contents of saliva?

• salivary amylase and mucin

• salivary amylase and mucus

• ptyalin and bile

• mucin and bile

what is the product of digestion of sucrose?

• glucose + glucose

• glucose + fructose

• glucose + galactose

• glucose + lactose

What chemical is responsible in activating proteases in the stomach?

which of the following shows the function of renin

• converting protein into polypeptides

• converting polypeptides into amino acids

• converting caseinogen into casein

• converting pepsinogen into pepsin