(Q).
Q: Because core electrons are closer to the nucleus, they are not involved in what? Choices: - diffusion - splitting - fission - bonding A:
(A).
bonding

(Q).
Q: Found in cord blood and other sources, what kind of cells hold the promise of renewing and repairing body tissues? Choices: - red blood cells - white blood cells - neurons - stem cells A:
(A).
stem cells

(Q).
Q: Cations have what type of charge? Choices: - negative - neutral - constant - positive A:
(A).
positive