Body Structure Flashcards
Chromatin
Structural component of the nucleus
Composed of nucleic acids and proteins
Chromosome
Threadlike structures within the nucleus
Composed of DNA (deoxyribunucleic acids)
Carries hereditary information encoded in genes
Deoxyribonucleic Acid (DNA)
Molecule that holds genetic information capable of replicating and producing an exact copy whenever the cell divides
Diaphragm
Muscular wall that divides the thoracic cavity from the abdominopelvic cavity
Metabolism
Physical and chemical changes that take place ina cell or an organsim
Organelle
Cellular structure that provides a specialized function, such as the nucleus (reproduction), ribosomes (protein synthesis), golgi apparatus, and lysosomes (digestion)