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Discuss the evolution of the first living cells and how it affected the amount of each of these gases present in the atmosphere.
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Biology, 22.06.2019 09:30
Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from
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Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
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Biology, 22.06.2019 15:40
Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation
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Biology, 22.06.2019 17:30
Describe how viruses and bacteria can be used as biological weapons. what are some of the potential threats and potential benefits? do you agree with the use of viruses and bacteria as biological weapons? why or why not?
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Discuss the evolution of the first living cells and how it affected the amount of each of these gase...
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