Primary Meanings of fold. 1  v bend or lay so that one part covers the other. 2  v become folded or folded up. 3  n the act of folding.  n an angular or rounded shape made by 1  folding. n a folded part (as in skin or muscle)  n a geological process that causes a bend in a stratum of 1  rock. n a pen for 2  sheep. n a group of sheep or  goats.
Each gene has a special job to do. The DNA in a gene spells out specific instructionsâmuch like in a cookbook recipe â for making proteins (say: PRO-teens) in the cell. Proteins are the building blocks for everything in your body. Bones and teeth, hair and earlobes, muscles and blood, are all made up of proteins.
best answer chromosomes are organized structures of dna and proteins that are found in cells a chromosome is a singular piece of dna which contains many genes regulatory elements and other nucleotide sequences chromosomes also contain dna bound proteins which serve to package the dna and control its functionsest answer chromosomes are organized structures of dna and proteins that are found in cells a chromosome is a singular piece of dna which contains many genes regulatory elements and other nucleotide sequences chromosomes also contain dna bound proteins which serve to package the dna and control its functions