NAS 2 CHALLENGE TEST PREP 2026
COMPLETE QUESTIONS AND SOLUTIONS
◉ decoposition reaction. Answer: chemical change in which a single
compound breaks down into two simpler products
◉ exchange reaction. Answer: Synthesis + Decomposition
◉ * Chemical Bonds * Ionic. Answer: Attraction of two opposite
charged IONS
◉ *Chemical Bonds* Hydrogen. Answer: Weak chemical bond
◉ *Chemical Bonds* Covalent. Answer: Strong bond
◉ Basic Atomic Structure. Answer: protons, neutrons, electrons
◉ Aerobic. Answer: requires oxygen
◉ Translation. Answer: Process by which mRNA is decoded and a
protein is produced
, ◉ Monomer. Answer: a molecule that can be bonded to other identical
molecules to form a polymer.
◉ DNA. Answer: A complex molecule containing the genetic
information that makes up the chromosomes.
◉ Cytoplasm. Answer: A jellylike fluid inside the cell in which the
organelles are suspended
◉ Mitochondria. Answer: Powerhouse of the cell, organelle that is the
site of ATP (energy) production
◉ Effector. Answer: an organ or cell that acts in response to a stimulus.
◉ Receptor. Answer: protein that detects a signal molecule and performs
an action in response
◉ Substrate. Answer: The reactant on which an enzyme works.
◉ Golgi apparatus. Answer: A system of membranes that modifies and
packages proteins for export by the cell
◉ Vacuole. Answer: Cell organelle that stores materials such as water,
salts, proteins, and carbohydrates
COMPLETE QUESTIONS AND SOLUTIONS
◉ decoposition reaction. Answer: chemical change in which a single
compound breaks down into two simpler products
◉ exchange reaction. Answer: Synthesis + Decomposition
◉ * Chemical Bonds * Ionic. Answer: Attraction of two opposite
charged IONS
◉ *Chemical Bonds* Hydrogen. Answer: Weak chemical bond
◉ *Chemical Bonds* Covalent. Answer: Strong bond
◉ Basic Atomic Structure. Answer: protons, neutrons, electrons
◉ Aerobic. Answer: requires oxygen
◉ Translation. Answer: Process by which mRNA is decoded and a
protein is produced
, ◉ Monomer. Answer: a molecule that can be bonded to other identical
molecules to form a polymer.
◉ DNA. Answer: A complex molecule containing the genetic
information that makes up the chromosomes.
◉ Cytoplasm. Answer: A jellylike fluid inside the cell in which the
organelles are suspended
◉ Mitochondria. Answer: Powerhouse of the cell, organelle that is the
site of ATP (energy) production
◉ Effector. Answer: an organ or cell that acts in response to a stimulus.
◉ Receptor. Answer: protein that detects a signal molecule and performs
an action in response
◉ Substrate. Answer: The reactant on which an enzyme works.
◉ Golgi apparatus. Answer: A system of membranes that modifies and
packages proteins for export by the cell
◉ Vacuole. Answer: Cell organelle that stores materials such as water,
salts, proteins, and carbohydrates
