Which monomer serves as the building block of glycogen, a polymer made up of many glucose molecules? A. Amino acid,
B. Monosaccharide,
C. Nucleotide,
D. Steroid

answer; i believe the answer is (polygenic inheritance;

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

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.