Using only the human eye how do objects in the sky appear to differ one another

The instructions for the genetic traits of an organism are directly determined by the a-numbers of a,t,c and g units in a sugar molecule b-sequence of the bases in dna molecules c-length of a dna molecules d-way the bases are paired in the two strands of a dna molecule

When species lose their habitats they may..

What is the sequence of amino acids corresponds with the rna strand ucg ggg cac