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Part A:

Cells and Diffusion

QuestionAnswer
what is the cell membrane? The outer boundary of the cell, controlling what enters and exits
What is Nucleus? Contains the cell's genetic material (DNA) and controls cellular activities.
What is mitochondria? Generate energy for the cell through cellular respiration.
What is Endoplasmic Reticulum (ER)? A network of membranes involved in protein and lipid synthesis.
What is Golgi Apparatus? Processes, packages, and transports proteins and lipids.
What is Ribosomes? Synthesize proteins from amino acids.
What is Cytoplasm? The gel-like substance that fills the cell and houses organelles.
What is Cytoskeleton? Provides structural support and facilitates cell movement.
What is Vesicles? Small membrane-bound sacs used for transport and storage.
What is Peroxisomes? Involved in various metabolic processes, including lipid breakdown and detoxification.
What is Vacuoles? Storage sacs, found in larger numbers and sizes in plant cells.
What are Lysosomes? Contain enzymes for breaking down waste and cellular debris.
What are Centrioles? Involved in cell division (animal cells only).
What are Plastids? Only found in plant cells, involved in photosynthesis and other processes.
What is Diffusion? movement of anything generally from a region of higher concentration to a region of lower concentration
What is Osmosis? the movement of water (the solvent) through a semipermeable membrane from a region of high water potential to a region of low water potential
What is Permeable? the ability of a substance, like a biological membrane, to allow molecules or ions to pass through it.
What is Semi-permeable allows certain molecules or ions to pass through it while blocking others.
What is Non- Permeable a membrane or barrier that completely prevents the passage of substances through it
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