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Question
Most of the history of life concerns the evolution of
Most of the history of life concerns the evolution of
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Solution
The correct options are
B Prokaryotes
D Eukaryotes
- Cells are divided into two main classes, initially defined by whether they contain a nucleus.
- Prokaryotic cells (bacteria) lack a nuclear envelope.
- Prokaryotic cells are generally smaller and simpler than eukaryotic cells; in addition to the absence of a nucleus, their genomes are less complex and they do not contain cytoplasmic organelles or a cytoskeleton.
- Phospholipids are the basic components of all present-day biological membranes, including the plasma membranes of both prokaryotic and eukaryotic cells.
- The key characteristic of the phospholipids that form membranes is that they are amphipathic molecules, meaning that one portion of the molecule is soluble in water and another portion is not.
So the correct option is 'prokaryotes and eukaryotes'.
B Prokaryotes
D Eukaryotes
- Cells are divided into two main classes, initially defined by whether they contain a nucleus.
- Prokaryotic cells (bacteria) lack a nuclear envelope.
- Prokaryotic cells are generally smaller and simpler than eukaryotic cells; in addition to the absence of a nucleus, their genomes are less complex and they do not contain cytoplasmic organelles or a cytoskeleton.
- Phospholipids are the basic components of all present-day biological membranes, including the plasma membranes of both prokaryotic and eukaryotic cells.
- The key characteristic of the phospholipids that form membranes is that they are amphipathic molecules, meaning that one portion of the molecule is soluble in water and another portion is not.
So the correct option is 'prokaryotes and eukaryotes'.
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