The Origin and Evolution of Life Crossword Puzzle

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  • endosymbiote : lost the ability to survive independently and became organelles (e.g. mitochondria and chloroplasts)
  • protocell : early membranes trapped organic molecules inside when they formed spontaneously in the early earth.
  • translation : ribosome makes a protein by matching trnas to an mrna and joining amino acids together in a chain.
  • charging : charging enzymes (aars) match and join amino acids and trnas
  • pangea : all continents joined together in a single land mass.
  • prokaryote : unicellular microorganism that lacks a nucleus and has no internal membranes.
  • cell theory : cells are the basic units of life.
  • specialization : an advantage of multicellularity; allows cells to perform different activities associated with survival or reproduction and increase complexity.
  • fossil : preserved remains of past life.
  • luca : earliest organism whose progeny survived to evolve into all existing life forms (abbreviation).
  • miller urey : experiment that simulated conditions of early atmosphere to demonstrate the possibility of spontaneous formation of organic molecules.
  • stromatolite : mat formed by prokaryotic fossils and sediment.
  • transcription : rna polymerase makes an rna copy of one strand of dna.