Their heterotrophs. Hope this helps:)
We cut them with the same restriction enzymes to create complementary cuts between fragments so that they can anneal together.
Structure A represents a sodium-potassium pump. Structure B represents the plasma membrane. Structure C represents the cytoplasm and structure D represents the nucleus.
We can arrive at this answer because:
- The nucleus is the central part of the cell and is located after the cytoplasm and the plasma membrane.
- The cytoplasm is the anterior part of the nucleus and refers to a gelatinous structure where the cell organelles are.
- The plasmatic membrane is what lines the cell, delimiting it and separating it from the external environment.
- Sodium-potassium pumps are proteins inserted into the plasma membrane that limit the entry and exit of large molecules into the cell.
All structures are essential for the proper functioning of an animal cell.
More information:
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99% Sure its A. Transpiration
