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Life Science: Genes & Molecular Machines (Types of Cells (Eukaryotic…
Life Science: Genes & Molecular Machines
Types of Cells
Eukaryotic Cells
-Have a membrane-bound nucleus
Multicellular organisms
Has several membrane-bound organells
Prokaryotic Cells
Do not have a membrane-bound nucleus
Mostly unicellular organisms (some multicellular)
Typically smaller than eukaryotic ells
Cell Division
Mitosis
Produces 2 daughter cells
Asexual reprodction
Cells divide once
Meiosis
Produces 4 daughter cells
Sexual reproduction
Cells divide twice
Hereditary
Phenotype
Physical appearance
influenced by genotype
Shows trait characterisics
Genotype
Genetic Makeup
Determines phenotype
Heritable genetic identity
Flowering Plants & Seeds
Pollination
The act of transferring pollen from the male part of a flower to the female stigma
Pollinators help plants reproduce by cross-pollinating
Pollination benefits the plant and pollinator.
Seed Dispersal
The movement or transport of seeds away from the parent plant.
Methods such as wind and water seed dispersal help move seeds.
Seeds must be dispersed because they will not be able to grow right next to the parent plant.