In medium-sized stars such as the Sun, nuclear fusion almost always means the fusing of (1) nuclei to form (2), but larger stars can produce elements as heavy as (3). 1.
Helium
Hydrogen
Nitrogen

2.
Hydrogen
Lithium
Helium

3.
Copper
Silver
Iron

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

feral cats are estimated to eat tens of millions of native animals each night in australia