B2 Cells
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What does a plant cell contain
Cell wall, ribosome , chloroplast, mitochondria, cell membrane, cytoplasm, vacuole, nucleus
What does an animal cell contain
ribosome, mitochondria, cell membrane, cytoplasm, nucleus
Define cell wall
Sturdy outer wall of plant cells which maintains regular shape
Define Nucleus
Contains the genetic of the eukaryotic cell
Define Mitochondria
Site of aerobic respiration in cell
Define Ribosome
Processes the DNA to produce proteins
Define Cytoplasm
Jelly-like substance where reaction occurs
Define Cell membrane
Semi-Permeable membrane that allows transfers of substances (move in and out)
Define Chloroplast
Contains the pigment of chlorophyll for the production of glucose
Define Vacuole
Large area of plant cell to store sugars and cell sap
Relate the structure of the following to their functions: ciliated cells
movement of mucus in the trachea and bronchi
Relate the structure of the following to their functions: root hair cells
absorption
Relate the structure of the following to their functions: palisade mesophyll cells
photosynthesis
Relate the structure of the following to their functions: red blood cells
transport of oxygen
Relate the structure of the following to their functions: sperm and egg cells
reproduction
Magnification equation
image size —————(divided) real size
Define diffusion
as the net movement of particles from a region of their higher concentration to a region of their lower concentration down a concentration gradient, as a result of their random movement
Define osmosis
as the net movement of water molecules from a region of higher water potential (dilute solution) to a region of lower water potential (concentrated solution), through a partially permeable membrane
Define turgid
dilute solution, highest water potential outside,water moves in
Define Flaccid
water moves in and out at an equal rate
Define Plasmorised
concentrated solution, water moves out