Biology – 2.1 Cell structure | e-Consult
2.1 Cell structure (1 questions)
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(a) 1: Cell Membrane - A thin, flexible outer boundary that controls the movement of substances in and out of the cell. It is selectively permeable.
(b) 2: Nucleus - Contains the genetic material (DNA) and controls the cell's activities.
(c) 3: Mitochondria - The site of aerobic respiration, where glucose is converted into energy (ATP).
(d) 4: Cytoplasm - The jelly-like substance that fills the cell and surrounds the organelles. It is where many chemical reactions occur.