An essential amino acid question 24 options: 1) can be synthesized in the body if there is a nitrogen source. 2) can be synthesized in the body if caloric intake is adequate. 3) cannot be synthesized in the body in sufficient quantity to meet body needs. 4) can be formed in the body from semiessential amino acids.

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.