Question 1:

How many essential amino acids are there?

Explanation: There are 9 essential amino acids. Essential amino acids are those that cannot be synthesized by the body and must be obtained from the diet. They are necessary for protein synthesis and various physiological processes in the body.

Question 2:

What is the process by which proteins are synthesized in cells called?

Explanation: The process by which proteins are synthesized in cells is called translation. Translation occurs in the ribosomes and involves the assembly of amino acids into a polypeptide chain according to the sequence of messenger RNA (mRNA) molecules transcribed from DNA.

Question 3:

Which of the following is a complete protein source?

Explanation: Proteins have various functions in the body. They act as enzymes and catalysts for biochemical reactions, provide structural support for cells and tissues, and are involved in the immune response. Therefore, the correct answer is D) All of the above.

Question 5:

Which of the following is a plant-based protein source?

Explanation: Tofu is a plant-based protein source. It is made from soybeans and is a popular protein-rich food for vegetarians and vegans. Tofu is a versatile ingredient that can be used in various dishes as a meat substitute or protein addition.