How can we express the rate of a physical or chemical process?

Which among the following is incorrect about amino acids?

How are essential amino acids obtained?

In which of the following organisms, starch is present as a storehouse of energy?

How many carbon atoms does palmitic acid contain?

Velocity of an enzymatic reaction keeps on increasing with an increase in substrate concentration. True or false?

What is the last amino acid of the primary structure known as?

Which of these processes require energy?