Draw the product of the aldol-dehydration reaction with diethylketone and p-tolualdehyde. (two equivalents of aldehyde)

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Which characteristics can be used to differentiate star systems? check all that apply.

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a