NetherisIsTheQueen
14.04.2020 •
Chemistry
The different isotopes of carbon do not differ appreciably in their chemical properties. This is used in chemical and biological research, in a technique called carbon labeling: carbon-14 atoms can be used to replace nonradioactive carbon, in order to trace chemical and biochemical reactions involving carbon atoms from any given organic compound. If plants are grown for several days in an atmosphere containing 14CO2 in place of 12CO2, which of the followoing is the most likeley result? A) Large amounts of radioactive water will be released from the stomates. B) There will be an increase in the activity of RuBP carboxylase in photosynthetic cells. C) Small amounts of 14C will be detected in the growing leaves. D) A large increase in 14C will occur in the starch stored in the roots.
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Ответ:
Oh it is convention
Explanation:
because the heat transfer is through fluids