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2.1 billion years ago
What else can I help you with?
Where does the endoplasmic reticulum appear?
It doesn't exactly "appear" but it is an organelle in eukaryotic cells and is found in the cytosol. I hope this helps. :)
Are chloroplasts found in plant cells why?
This is an accident of how the first eukaryotic plant cells evolved to be different from other eukaryotic cells billions of years ago. It is what defines eukaryotic plants.
Why are the chloroplasts found in plant cells only?
This is an accident of how the first eukaryotic plant cells evolved to be different from other eukaryotic cells billions of years ago. It is what defines eukaryotic plants.
Cells that have a nucleus are called?
Eukaryotic cells.
When do the first eukaryotic cells show up in the fossil record?
The first eukaryotic cells appear in the fossil record around 2 billion years ago during the Proterozoic eon. The oldest known eukaryotic fossils are single-celled organisms called acritarchs. These early eukaryotes eventually gave rise to more complex multicellular life forms.
Were the first cells prokaryotic or eukaryotic?
The differnece between this two are as followings- Eukaryotic cells are cells that contain a nucleus. Like you and me. Prokaryotic cells are cells that dont have a nucleus. Like bacteria ( But do contain genetic materials and chromosomes) Hope this helps!
Do kelp have eukaryotic cells?
Yes kelps do have eukaryotic cells. All living things have eukaryotic cells.
Are taste bud cells eukaryotic or prokaryotic?
Taste bud cells are eukaryotic cells. They are complex cells that contain a nucleus and other membrane-bound organelles.
Does prokaryotic or eukaryotic cells contains nucleus?
No. Only the eukaryotic cells have a nucleus.
Do people have prokaryotic or eukaryotic cells?
The cells found in the human body are eukaryotic cells. Organisms that have eukaryotic cells are usually multicellular like humans. Organisms that have prokaryotic cells are usually unicelluar, like bacteria.
Are Eukaryotic cells represented by most bacteria cells and some algal cells?
No, eukaryotic cells are not represented by bacteria cells. Bacteria are prokaryotic cells, while eukaryotic cells are found in organisms such as animals, plants, fungi, and protists. Some algal cells are eukaryotic and share similarities with other eukaryotic cells in terms of having a nucleus and membrane-bound organelles.
How many cells are eukaryotic?
all cells that have a nucleus are eukaryotic.
