What is the function of the mitochondria?
cellular respiration
What is the function of the ribosomes?
protein synthesis
What is the function of the smooth endoplasmic reticulum?
Synthesis and transport o
...
What is the function of the mitochondria?
cellular respiration
What is the function of the ribosomes?
protein synthesis
What is the function of the smooth endoplasmic reticulum?
Synthesis and transport of lipids and carbohydrates
What is the function of the Golgi apparatus?
Modified and packaged proteins into vesicles for transport
What is the function of the lysosomes?
Digests old cell material and waste
What is the function of the centrioles?
Form into spindle fibres for cell division
What is the function of the chloroplasts?
photosynthesis
What is the function of the tonoplasts?
The membrane around the vacuole to keep it together
What is the function of the vacuole?
Maintain turgid pressure in the plant cell
What is the function of the plasmodestmata?
To allow materials to pass through the cell wall
What is the function of the amyloplasts?
Starch synthesis and storage
Name three organelles which are only in plant cells
Vacuole, chloroplasts, cell wall
Define eukaryotic cells
Are part of a multicellular organisms
Define prokaryotic cells
Are unicellular organisms
Name two differences between eukaryotic and prokaryotic cells?
Eukaryotic has a nucleus but prokaryotic doesn't my eukaryotic has a membrane bound organelles while prokaryotic doesn't
What two dyes are used to show gram positive and gram negative bacteria?
Crystal violet and safranin
Describe the difference between gram positive and gram negative?
Gram negative has thin cell walls so the ethanol washes out the crystal violet, so they appear safranin pink. Gram positive appears purple
Describe the key features of a sperm cell?
Across one to penetrate the egg, tail for swimming, lots of mitochondria for energy
Describe the features of egg cells?
Hormones to attract the speed, zona pellucuda to protect the egg, corona radiate to supply protein to developing foetus
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