organelles
there are two different types of cells: eukaryote and procaryotic. Procaryotic cells are unicellular (only have one cells), like bacteria.
No, protists have a nucleus which makes them procaryotic
Mammalian cells have nuclei. But red blood cells lack
Complex cellular structures appeared around 2 billion years ago during the Proterozoic Eon. This period marked the evolution of eukaryotic cells, which are characterized by membrane-bound organelles and a true nucleus.
Lack of nutrients and an increase in cellular waste products
there are two different types of cells: eukaryote and procaryotic. Procaryotic cells are unicellular (only have one cells), like bacteria.
Bacteria belong to a group of cells known as procaryotic cell. procaryotic cells only exist in single cell lifeforms such as amoebas and bacteria.
No, protists have a nucleus which makes them procaryotic
Viruses are neither prokaryotic nor eukaryotic. They are acellular entities that lack the necessary cellular machinery to carry out metabolic processes on their own.
cell membrane
Mammalian cells have nuclei. But red blood cells lack
Actually they were procaryotic cells. To be more exact, it is a scientific guess.
red blood cells are an example of human cells that lack a nucleus. They have a finite life span, approximately 120 days, and because they lack a nucleus, they cannot reproduce (mitosis). They are removed from general circulation, destroyed and replaced. Other eucaryotic cells all have a nucleus. Procaryotic cells, such as bacteria, while they have defined genetic material, lack a distinct nucleus surrounded by a nuclear membrane. Hope this helps.
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There two types of cell procaryotic and eucaryotic.
Complex cellular structures appeared around 2 billion years ago during the Proterozoic Eon. This period marked the evolution of eukaryotic cells, which are characterized by membrane-bound organelles and a true nucleus.
Lack of nutrients and an increase in cellular waste products