Which of the following statements does not accurately describe stem cells?
a. the use of stem cells may allow scientist to use undifferentiated cells to repair or replace bad cells.
b. the use of stem cells is without any objections since it can be used in therapies to humans.
c. embryonic stem cells make up te inner cell mass of blastocyst .
d. adult stem cells are multipotent and can differentiate into types of cells .

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

What is the function of nucleic acids

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?