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Life Science: Genes and Molecular Machines (Types of cells (Eukaryotic…
Life Science: Genes and Molecular Machines
Types of cells
Eukaryotic
can be found in animal cells
can also be found in plant cells and some bacteria
Has an enclosed nucleus
Prokaryotic
1.usually unicellular organisms
archaea are contained in this group
does not have an enclosed nucleus
cell division
meiosis
1.results in 4 daughter cells, 2. splits twice, 3.the daughter cells have 23 chromosomes
mitosis
1.results in 2 daughter cells, 2.splits once, 3. daughter cells have 46 chromosomes
heredity
phenotype
1.physical appearance, 2. is determined by genotype, 3. they can be recessive or dominant traits
genotype
contains the genetic makeup, 2. determines the phenotype, 3. contains alleles
flowering plants and seeds.
dispersal
can be dispersed by animals, 2. can be dispersed by wind, 3. some can be dispersed by mechanical propulsion.
pollinators/pollination
they transport pollen from flower to flower. 2. the pollen gets stuck to the bees legs as they fly from flower to flower. 3. there are 2 methods of pollination, cross-pollination and self-pollination