Two of these cells produce the hormones insulin and glucagon. The beta cells create and secrete insulin. The alpha cells create and secrete glucagon. These two hormones are responsible for maintaining the glucose level in blood at a constant rate so that all the cells have the required energy to perform their functions.
strand1 (strand),USA pronunciation v.t. 1  to drive or leave (a ship, fish, etc.) aground or ashore:The receding tide stranded the whale. ( 2 usually used in the passive) to bring into or leave in a helpless position:He was stranded in the middle of nowhere.
LINK / CITE ADD TO WORD LIST. noun. The definition of a chromosome is a thread-like structure of DNA (nucleic acids and proteins) that carries genes. The X or Y gene that determines whether you will be a boy or a girl is an example of a chromosome.noun. 1  A linear strand of DNA and associated proteins in the nucleus of eukaryotic cells that carries the genes and functions in the transmission of hereditary information.hromosome. noun. 1  A linear strand of DNA and associated proteins in the nucleus of eukaryotic cells that carries the genes and functions in the transmission of hereditary information.