Which of the following is true?Group of answer choicesCells tend to prefer lighter atoms of carbon over heavier onesCells tend to prefer heavier atoms of carbon over lighter ones

Two atoms with the same atomic number but different atomic weights are called _____.Group of answer choicesisotopesmoleculesradioactiveelements

Which of the following is TRUE about fatty acid?Group of answer choicesAmides with long carbon chains of 12 to 20 atomsEsters with long carbon chains of 12 to 20 atomsAlcohols with long carbon chains of 12 to 20 atomsCarboxylic acids with long carbon chains of 12 to 20 atoms

Which is an accurate comparison of the bonds that can occur between carbon atoms in terms of bond length and strength? Group of answer choicesTriple bonds are shorter than double bonds, and double bonds are stronger than single bonds.Double bonds are shorter than single bonds, but single bonds are stronger than triple bondsDouble bonds are both shorter and stronger than triple bondsTriple bonds are the longest and strongest

Which of the following statement about carbonyl C atom is TRUE?Group of answer choicesThe carbonyl O atom is electron poor.The C=O bond is non-polar.The C=O bond is polar.The carbonyl C atom is electron rich.

Which of the following best defines biogenic carbon?Group of answer choicesCarbon with an extra neutronCarbon found in rockCarbon created by an organismCarbon with an extra electron