What is the difference between first class and second class protein?
proteins from animal origin are called first class proteins. meat and fish are first class proteins because they contain all the essential amino acids (which cannot be made by the body), plant proteins are called second class proteins. ...
Asked in Zoology or Animal Biology, Genetics
Why does animal proteins have first class proteins?
Because animal proteins contain more or all(20) of the essential amino acids that we require for our good health than any other type of protein. ...
Asked in Health, Dieting and Weight Loss, Nutrition
What are good sources of proteins?
Animal proteins are good source of first class proteins. First class proteins contains all the essential amine acids. Eggs top the list with 98 % bio-available. Then chicken and meat as well as fish are good sources of first class proteins. For vegans milk and milk products are good source of first class proteins. Pasteurized or boiled milk should be kept in freeze for 4 to 6 hours or overnight and fat should be removed before consuming the milk. Any amount...
How many servings of protein should you have a day?
Normally one should have 1 gram/kg of proteins in diet /day.In growing children and body builders you may increase it up to 2 grams/kg. It is desirable to have proportion of first class protein in it. Animal proteins including milk are first class proteins and vegetable proteins are considered as second class proteins. As animal proteins contains all essential amine acids. You can have fairly good quality proteins when you mix cereals and pulses from 2 to 1 or 3 to 1...
Asked in Health, Biology, Acids and Bases
How many amino acids are there in the world?
Last I heard, there were 27 identified complete Amino Acids which are essentially protein. Foods with complete Amino Acids are called First Class proteins, and they are the only foods that can build new tissue. They mostly come from animal products. Second Class protein helps to repair body tissue, and they are mostly vegetable in origin. Vegetarians combine different types of incomplete or second class proteins to make sure there are the right sort of Amino Acids to join up to do the...
Animal cells utilize many different proteins Discuss the synthesis of proteins in an animal cell?
gene expression, and differentation
Asked in Animal Life
What is the percent digestibility of animal proteins?
Most animal proteins have a digestibility of 90 to 99 percent. When it comes to the digestibility of most plant proteins, the range is 70 to 90 percent. ...