The statement which best explains why carbon is present in so many kinds of molecules is because <u>it can form four covalent bonds.
<em /></u>It isn't rare on Earth, so A is incorrect. It has valence electrons, so C is incorrect. It cannot become an ion, so D is incorrect.<u>
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C...the key is that they are photosynthetic...so they produce oxygen (like plants)!
Answer:
Anticodon. The anticodon region of a transfer RNA is a sequence of three bases that are complementary to a codon in the messenger RNA. During translation , the bases of the anticodon form complementary base pairs witht the bases of the codon by forming the appropriate hydrogen bonds.
I think the correct answer from the choices listed above is option 4. This prediction is most likely <span>correct, because water would be moving out of the cell into the salt solution. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>