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☆☆☆☆☆Totipotent cells are present at the very first stages of embryonic development.
These cells can differentiate into any kind of cell, including extraembryonic tissues (such as placenta).
Fertilization is the creation of a single totipotent cell, the zygote.
Embryonic stem cells are pluripotent, not totipotent. This means they can become any foetal or adult cell type, but not extraembryonic cells.
Chloroplast
The phrase "long-time" is an adjective. It means to be extending over a very long time period.
E
A eukaryotic cells' distinguishing organelle is a nucleus.
Same place as everywhere else in the body. The cytoplasm.
Well, there small because God wated that to be!
No, all the "protists" are nucleate, and so are eukaryotic.
The endosymbiotic theory by Lynn Margulis. Google it.
Carbon is found in all organic molecules.
Other elements (such as H, O, N, S, P, Cl etc) may vary depending on the type of the compounds or the functional group present.
