Which of the following is non-cellular in most cases in animals?
Correct answer: D. Mesenchyme
- A. Sclerenchyma
- B. Cholenchyma
- C. Mesoderm
- D. Mesenchyme
Explanation
"Mesenchymal" stem cells are adult stem cells isolated from different sources that can differentiate into other types of cells. In humans, these sources include; bone marrow, adipose tissue, umbilical cord tissue or amniotic fluid. They are non-cellular in most cases.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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