The absorptive surface area of the small intestine is actually about 250 square meters (almost 2,700 square feet) – the size of a tennis court!
B.Prokaryotic cells do not have a true nucleus or membrane-bound organelles.
Answer:
they are made to work together and there ae different types
Explanation:
there just made like that
Answer:
The structure of one or more proteins produced by the organism.
Explanation:
Genetic mutation can also can cancer 5 - 10% of the time.
Answer:
The answer is A
By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.