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Biology G9: Cells

Databases to Use

Scientists Spotlight!


Multicellular vs. Unicellular: emergent properties (cells working together can accomplish more than cells working individually)

Surface Area to Volume ratio: the larger the cell is, the less it will continue to grow

Plant & Animal Cells


Viruses: living or nonliving?

Endosymbiotic Theory

Endosymbiotic theory: Symbiotic mutualism between a small prokaryotic being eaten by larger prokaryotic (mitochondria and chloroplast)

Phospholipid Bilayer

Phospholipid Bilayer: hydrophobic (nonpolar), hydrophilic (polar), amphipathic


Central Dogma

Central Dogma: protein synthesis, DNA (transcription) -> RNA (translation) -> Proteins, amino acids

Videos to Watch