What part of the leaf contains chlorophyll for producing energy for the plant?

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?

Describe the structure of amino acid, including what makes amino acids different from eachother