Biology, 16.03.2020 19:25, kingdrew27
Anthropologists can estimate the age of a bone or other sample of organic matter by its carbon-14 content. The carbon-14 in a living organism is constant until the organism dies, after which carbon-14 decays with first-order kinetics and a half-life of 5730 years. Suppose a bone from an ancient human contains 14.0 %% of the CC-14 found in living organisms.
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Biology, 22.06.2019 02:30, taythestargazer71
Did you know that a blue wales tongue weighs more than an elephant?
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Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear
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Biology, 22.06.2019 16:30, DnakMeme6e7272727272
Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a. changes in genetics in human populationsb. antibiotic resistance in bacteria populationsc. pesticide resistance in garden insectsd. changes in the color of the peppered moth population in england
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Biology, 22.06.2019 21:00, urgurlkitty
Which muscle cell structure stores calcium ions that are used to trigger the contraction?
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Anthropologists can estimate the age of a bone or other sample of organic matter by its carbon-14 co...
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