Answer: 2
explanation: enzymes are known as proteins used to break down proteins and other macromolecules during digestion
Compared to other people, a person who has a "thrifty metabolism" GAINS WEIGHT MORE EASILY.
Thrifty metabolism is characterized by burning few calories for daily activities and leads to obesity. It might sabotage your weight loss plan as it utilizes very less calories. Apart for this there are other factors such as age and sex that also that affect the weight loss program.
The Salmonella consist of a range of very closely related bacteria, many of which cause disease in humans and animals.
Answer:
At the second stage the cell differentiation is start.
