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OAT biology section exam 2024
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OAT biology section exam 2024
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OAT biology section exam 2024What are the six kingdoms of life? - Archaea, Bacteria, Protista, Fungi, Plantae,
Animalia
According to the fluid mosaic model, what does the cell membrane contain? -
phospholipid bilayer and structural proteins
Describe the structure of the phospholipid bilayer - polar, hydrophilic phosphate
head
non polar, hydrophobic unsaturated fatty acid tail
What does DNA wrap around? - histones
What is the nucleolus? - dense area of nucleus where RNA synthesis occurs
What is the nucleotid? - area in prokaryotes where DNA (circular) is located
What is chromatin? - uncoiled DNA
What do ribosomes mainly do? - protein synthesis
, OAT biology section exam 2024
What does the RER mainly do? - contains ribosomes, synthesizes proteins
What does the SER mainly do? - cell metabolism and lipid production
What is the main function of the golgi aparatus - cell trafficking, modifies contents
and transports them through vesicles
What is the main function of mitochondria - convert contents to energy (ATP)
through aerobic respiration
Describe the structure of mitochondria - outer membrane
intermembrane space
inner membrane (contains folds called cristae and matrix (where mitochondrial
dna is stored))
What is the main function of the cytoplasm - cell metabolism
What is the main function of lysosomes? - degradation via hydrolytic enzymes
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