Biology Keystone 2024: Part 1 Exam Questions (78 Terms) With Verified Definitions Updated 2024

Passive Transport {Ans: The movement of materials through the cell membrane, not using energy. Goes with the concentration gradient.}Biology {Ans: The scientific study of life.}Telophase {Ans: Fourth stage of mitosis. The cell begins to form a cleavage furrow (animal) or cell plate (plant) and divides.}Lipid {Ans: A macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes. Building Block: glycerol and fatty acids.}Hydrophilic {Ans: Water loving. Ex: polar molecules.}Anaphase {Ans: Third stage of mitosis. The chromosomes separate and move to opposite ends of the cell.}Prophase {Ans: First stage of mitosis. Chromosomes become visible, nuclear envelop dissolves, spindle forms.}Osmosis {Ans: The movement of water across the cell membrane.}Centriole {Ans: Cell organelle that aids in cell division in animal cells only.}Adhesion {Ans: The property of water that allows water to stick to other surfaces.}Organism {Ans: A living thing.}Organic Molecules {Ans: Molecules that contain carbon.}Energy {Ans: Carried in the molecule ATP. Powers different biological processes.}Transport Proteins {Ans: A membrane protein that helps a certain substance or to cross the membrane.}Mitochondria {Ans: An organelle that is the site of ATP (energy) production. The powerhouse of the