What came first egg or chicken? and is tomato a vegetable or a fruit?

The egg and tomato is a fruit

Explanation:

Another animal had a egg and it evolved into a chicken egg when it cracked it had a baby chicken as healthline says "Tomatoes are botanically defined as fruits because they form from a flower and contain seeds."

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.

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