NAS 2 CHALLENGE EXAM with Correct Answers 100% 2024

NAS 2 CHALLENGE EXAM with Correct Answers 100% 2024 Enzyme - CORRECT ANSWER-A type of protein that speeds up a chemical reaction in a living thing decoposition reaction - CORRECT ANSWER-chemical change in which a single compound breaks down into two simpler products exchange reaction - CORRECT ANSWER-Synthesis + Decomposition * Chemical Bonds * Ionic - CORRECT ANSWER-Attraction of two opposite charged IONS *Chemical Bonds* Hydrogen - CORRECT ANSWER-Weak chemical bond *Chemical Bonds* Covalent - CORRECT ANSWER-Strong bond Basic Atomic Structure - CORRECT ANSWER-protons, neutrons, electrons Aerobic - CORRECT ANSWER-requires oxygen Translation - CORRECT ANSWER-Process by which mRNA is decoded and a protein is produced Monomer - CORRECT ANSWER-a molecule that can be bonded to other identical molecules to form a polymer. DNA - CORRECT ANSWER-A complex molecule containing the genetic information that makes up the chromosomes. Cytoplasm - CORRECT ANSWER-A jellylike fluid inside the cell in which the organelles are suspended Mitochondria - CORRECT ANSWER-Powerhouse of the cell, organelle that is the site of ATP (energy) production Effector - CORRECT ANSWER-an organ or cell that acts in response to a stimulus. Receptor - CORRECT ANSWER-protein that detects a signal molecule and performs an action in response Substrate - CORRECT ANSWER-The reactant on which an enzyme works. Golgi apparatus - CORRECT ANSWER-A system of membranes that modifies and packages proteins for export by the cell Vacuole - CORRECT ANSWER-Cell organelle that stores materials such as water, salts, proteins, and carbohydrates Ribosomes - CORRECT ANSWER-Makes proteins Cytokinesis - CORRECT ANSWER-Division of the cytoplasm during cell division Mitosis - CORRECT ANSWER-division of the nucleus Scientific Method - CORRECT ANSWER-A series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions. Levels of organization - CORRECT ANSWER-chemical, cellular, tissue, organ, organ system, organism potential energy - CORRECT ANSWER-stored energy kinetic energy - CORRECT ANSWER-the energy an object has due to its motion Atoms - CORRECT ANSWER-Basic unit of matter chemical symbol - CORRECT ANSWER-one or two letters that represent an element atomic number - CORRECT ANSWER-the number of protons in an atom atomic mass - CORRECT ANSWER-The average mass of all the isotopes of an element Ion - CORRECT ANSWER-A charged ato