D) Stem cells are usually harvested from embryos.
Two five dollar bills = ten dollars
10+10+10+10=40+286=326
Muscle cells do not form different types of tissues, the muscle tissue is one of the 4 basic categories of tissues found in humans
Answer: A.
Explanation:
Proteins are the things that determine what functions will play out. They are the reason we are able to digest foods, transfer oxygen throughout the body. Proteins MAKE these functions happen. Without proteins, we wouldn't be able to do anything