Midterm+review+handouts - Essential characteristics of...

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Essential characteristics of life----in order to live on the planet, one needs to have metabolism ( breaking down things), replication ( genetic materials for offsprings), reproduction ( making more individuals), evolution and cells, which is the basic compose units of life Speaking with cells, there is an experiment that proves the idea of cells are from pre-exiting cells. Which experiment is this? What are the three domains of the tree of life? Fossils How many types of fossils? How old is the earth? What is law of succession? How many ways to study fossils? What are these methods of studying fossils?----in your lecture slides. You should always know these by now When does genetic correlation occur? What is the difference between homology and homoplasy? By what ways the frequencies of alleles can be changed?? Name a few and have an idea about it. Mutation; gene drift; sexual selection---you continue naming them The three ways that biologists use to define species? Which one is the least practical? Two mechanisms of generating a new species? They are dispersal and vicariance? Differences of these two? Two mechanisms under biological species concept, are prezygotic and postzygotic. What is the main difference? Miller expt tells you a story about aa, which is the building blocks of life, could come from a prebiotic condition RNA---ribozyme. Act as enzyme; can do catalytic reactions and replicate itself and contain hereditary information. Easily formed in experiments Oxygen revolution Cyanobacteria can do photosynthesis and starting the life of autotrophes.. are we autotrophes?? Glucose and is electron donor and oxygen is the electron acceptor, which is the highest free energy production---higher then fumarate Nitrogen fixation---who does this? Bacteria or plants? Nitrogen fixation is to convert nitrogen into ammonia for plants to use.
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Paraphyletic and monophyletic Bacteria , archaea and Euk are THREE monophyletic groups Protist---which disease is caused by protist—the one he mentioned in lecture. Protist can cause more than one disease? Is protist paraphyletic or monophyletic??? Plants----are good ones~! Why? Because they gives us oxygen and take away CO2..purifying the air for us…AND the plants can conserve the nutrients in the soil…it can conserve the water in the soil…people can make medications out of plants ( traditional Chinese medicine is composed with different kind of dry plants ) Know the phyla of plants----the major ones the minor ones… What is composition of the plants----name a few organelles that do things for plants..for example, stomata? Chloroplast? And so on..
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