Atumor composed of epithelium is an epitheli

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria