Answer:
True
Explanation:
There are 9 essential amino acids which cannot be made by the body and have to be obtained from food.
They are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine
Answer:
B
Explanation:
B is the best showing of a chemical reaction out of the choices
The brain is part of the central nervous system.
Nerves and sensors are part of the peripheral nervous system. Only the brain and spinal cord make the central nervous system.
4 Quantum numbers are used
1.Azimuthal
2.Principal
3.Spin
4.Magnetic