The Origin and Evolution of Life Crossword Puzzle

QUESTIONS LIST:

• 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.