BIO 210 - FINAL EXAM REVIEW QUESTIONS AND ANSWERS 100% PASS

BIO 210 - FINAL EXAM REVIEW QUESTIONS AND ANSWERS 100% PASS Anatomy - Answer- the study of structure Physiology - Answer- the study of function Metabolism - Answer- all the chemical reactions that happen in our body cells Catabolism - Answer- the breakdown of complex molecules into simpler ones. Catabolic reaction Anabolism - Answer- The building up of complex molecules from simpler ones Levels of Structural Organization - Answer- Atom (chemical), Molecule (chemical), Cell tissue, Organ, Organ System, Organism Homeostasis - Answer- The maintenance of the internal environment regardless of external conditions Negative feedback mechanism - Answer- Most feedback mechanisms are this type - regulating body temperature, blood pressure, blood glucose Cranial Cavity - Answer- Brain and spinal cord vertebral cavity - Answer- spinal cord thoracic cavity - Answer- heart and lungs abdominopelvic cavity - Answer- stoach digestive organs parietal membrane - Answer- lines cavity wall visceral membrane - Answer- lines the organs surface ATP - Answer- a form of energy used by all reactions in cells. Made in the mitochondria 4 elements that make up 96% of the human body - Answer- Oxygen, hydrogen, carbon and nitrogen atomic number - Answer- number of protons. Always the same as the number of electrons Atomic mass - Answer- decimal number - number of protons and neutrons together - if you subtract the protons you get the number of neutrons ionic bonds - Answer- the transfer of one or more electrons anion - Answer- negative charge - gains one electron cation - Answer- positive charge - loses one electron covalent bond - Answer- shared electrons 2 types of covalent bonds - Answer- Polar - unequal sharing of electrons Nonpolar - equal sharing of electrons PH - Answer- Acid base concentration - homeostasis of acid base balance is regulated by chemicals called buffers