Biology, 26.01.2020 13:31 beccastark1733
If an atom has a mass number of 23, which of the following is always true? a. the number of protons in the nucleus does not equal the number of neutrons. b. the atom is not an isotope c. the atom has an odd number d. the atomic number is less than 11
Answers: 2
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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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If an atom has a mass number of 23, which of the following is always true? a. the number of protons...
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