Answer:
Enzymes bind with chemical reactants called substrates. ... In others, two substrates may come together to create one larger molecule. Two reactants might also enter a reaction, both become modified, and leave the reaction as two products. The enzyme's active site binds to the substrate.
Thomas huxley = his findings made the theory of evolutions became widely accepted
Ernst Mayr = the one who proposed Biological species concept
Herbert spencer = found similarities between societies within humans and animal
Stephen Gould = the one who contributed to the study of fossils
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The best estimate for Earth's age is based on radiometric dating of fragments from the Canyon Diablo iron meteorite. From the fragments, scientist calculated the relative abundances of elements that formed as radioactive uranium decayed over billions of years.
2) nociceptors
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