Adaptations, Features & Functions Of Cells
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Name all the structural features of an animal cell?
Cell Membrane Cytoplasm Nucleus Mitochondria Ribosomes
Name all the structural features of a plant cell?
Cell membrane Nucleus Cytoplasm Mitochondria Ribosomes Call wall Chloroplasts Permanent vacuole
Name the structural features that are in a plant cell but not in an animal cell?
Cell wall Chloroplasts Permanent vacuole
True or false, bacteria aren’t single-celled organisms?
False
Name the structural features of a bacterial cell?
Cell membrane Cytoplasm Ribosomes Cell wall Circular loop of DNA Plasmid
What are the cell walls of plants cells made of?
Cellulose
What are the cell walls of bacteria made of?
Peptidoglycan
What do structural features do bacterial cells lack that plant and animal cells have?
Nucleus Mitochondria Chloroplasts - only for plant cells
Name two functions of the cell membrane?
Separators the cell contents form the external environment Controls the passage of substances into and out of the cell - through diffusion and active transport
Name two functions of the cytoplasm?
Substance in which chemical reactions occurs Provides structural support to the cell
Name a function of the nucleus?
Contains the genetic material of the cell in the form of DNA
Name a function of the ribosomes?
Site of protein production/ protein synthesis
Name a functions of the mitochondria?
Site of aerobic respiration, releasing energy
Name a function of a cellulose cell wall?
Provides structural support to the cell in plant cells.
Name the function of chloroplasts
Contain chlorophyll and absorbs light for photosynthesis.
Name two funtions of a permanent vacuole?
Contains cell’s sap - solutions of sugars and salts dissolved in water Provides additional structural support to cell and full of sap
Name a function of circular DNA in bacteria?
Contains genetic material of the cell
Why does a bacteria cell not contain a nucleus?
Bacteria cells do not contain internal membranes.
Name two functions of plasmids?
Carry a small number of genes Can pass from one cell to another
Names a function of the Peptidoglycan cell wall?
Provides structural support to cell, giving bacterial cells their shape.
What are specialized cells?
Specialized cells are cells that are adapted to carry out a specific function
Name three specialized cells in animals?
Ciliated cell - movement of mucus Nerve cell - conductions of impulses Red blood cells - transport of oxygen Sperm cell - reproduction Egg Cell - reproduction
Name the adaptations of a nerve cell?
Long so can run from different part so of the body to the central nervous system. Has extensions and branches so is able to communicate with other nerve cells, muscles and glands
Name the adaptations of red blood cells?
Biconcave disc shape increases surface area for more efficient diffusion of oxygen Contains hemoglobin which joins with oxygen Contains no nucleus so increases the amount of slice available in the cell for haemoglobin