Compare and contrast at least two reasons cell division is important for unicellular (single-celled) and multicellular organisms. 2. What is the role of growth factors? 3. Cells divide, differentiate, or die. What is differentiation? 4. What is apoptosis? Explain its purpose. 5. Organisms maintain the right number of cells by regulating the cell cycle. What are “cell cycle regulators?”
1. Compare and contrast at least two reasons cell division is important for unicellular (single-celled) and
multicellular organisms.
2. What is the role of growth factors?
3. Cells divide, differentiate, or die. What is differentiation?
4. What is apoptosis? Explain its purpose.
5. Organisms maintain the right number of cells by regulating the cell cycle. What are “cell cycle
regulators?”
Introduction
Unicellular organisms are living organisms that consist of only one cell. They are some of the most primitive and simplest forms of life, and include bacteria, archaea, protozoa, and some algae. Unlike multicellular organisms, unicellular organisms do not have specialized tissues or organs, and all of their metabolic and physiological processes occur within a single cell..
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