Portage Learning- Biod 151 Exam 1 Review With Questions And Answers 2024/2025 Quiz

What are the six levels of organization in the body? {Ans: atom, molecule, macromolecule, organelle, cell, tissue, organ, system of organs, and organism}Closing of a joint is which action? {Ans: Flexion}What is the function of lysosomes? {Ans: contain digestive enzymes to breakdown waste products and harmful materials}Define cholesterol {Ans: an organic molecule comprised of lipids}The outer surfaces of the organs and body cavities are covered by this double layered membrane called the {Ans: Serous membrane}Opening of a joint is which action? {Ans: Extension}This cavity encloses the spinal cord {Ans: Spinal cavity}Explain what happens in Tay-Sachs disease {Ans: One of the normally present digestive enzymes inside lysosomes is lacking. Thus, a toxic lipid in the brain cells cannot be broken down. The resulting buildup of lipids in these cells can cause intellectual disability and death.}The function of movement is provided by what system? {Ans: Muscular system}Explain why active metabolizing cells need to be relatively small {Ans: The cell must be able to obtain nutrients and excrete waste at a speed fast enough to fulfill the cells needs. As the cell gets larger, the surface area decreases which leads the metabolism to