What is true about covalent compounds

A covalent compound is made when two or more nonmetal atoms bond by sharing valence electrons. 

Covalent compounds are made up of two non-metal atoms.. Non metal atoms are different than metal atoms because they have valence electrons.. The sharing of these electrons between two non metals is what makes up a covalent bond... hope this helps:)

True to the fact it is actually false

Both of them have a nucleus, golgi apparatus, cell membrane, smooth and rough endoplasmic reticulum, lysosome, and ribosomes.