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NAS 2 TCC STUDY GUIDE FINAL PAPER 2026 COMPLETE QUESTIONS AND ANSWERS

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NAS 2 TCC STUDY GUIDE FINAL PAPER 2026 COMPLETE QUESTIONS AND ANSWERS

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NAS 2 TCC STUDY GUIDE FINAL PAPER 2026
COMPLETE QUESTIONS AND ANSWERS

◉ Receptor.
Answer: Senses environment stimulus and sends info to the control
center


◉ Control Center.
Answer: Where the hypothalamus is located and the signals effector


◉ Effector.
Answer: Responds to stimuli
Example: Muscle Contracting


◉ Electron.
Answer: Negative charge particle, outer shell


◉ Proton.
Answer: Positive, nucleus


◉ Neutrons.

, Answer: no charge, nucleus


◉ Ionic Bond.
Answer: Chemical bond formed between two ions that are opposite
charges, atom gives up one or more electrons to another atom


◉ Covalent Bond.
Answer: Type of bond that has sharing electron pairs between
atoms.


◉ Hydrogen Bond.
Answer: weak bond result of attraction between proton and
electronegative atom of another


◉ Polar Bond.
Answer: pair of electrons unequally shared between two atoms


◉ Nonpolar Covalent Bond.
Answer: two atoms share a pair of electrons with each other


◉ Enzymes.
Answer: catalyze chemical reactions by lowering activation energy
barriers and converting substrate molecules to products

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