Which of the following is not an accurate completion of this sentence:

if enzymes were allowed to operate at a maximum rate at all times necessary products would not be made in some pathways.
cells would operate at maximum efficiency.
intermediates in a pathway would accumulate under some circumstances.
resources would be wasted.

cells would operate at maximum efficiency.

Explanation:

If enzymes were allowed to operate at a maximum rate at all times  it is not possible that the cells operation efficiency will be high because natural system of body have balance for everything i.e production and release of everything at correct time and proper amount. Enzymes are present in its inactive form when there is no need.if they are allowed to operate at maximum rate it will disturb the metabolic and other biological process of cells.

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.

i think the answer would d