Which of the following molecules is used as energy for chemical reactions in cells?
a. dna
b. rna
c. atp
d. adp
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Ответ:
answer C
hope this helps!
Ответ:
Elements are unique arrangements of subatomic particles that have a characteristic atomic structure and predictable chemical properties.
An element is composed of atoms that have the same atomic number. There are 118 elements that have been identified in which the lightest chemical elements are hydrogen and helium. Many elements have their isotopes. Every element have its unique arrangement.