Enzymes Are Specialized Protein Molecules Found in All Living Cells

Q9: The sour taste of lemons is due

Q10: Which of the following would best be

Q11: The number of elements found naturally in

Q12: Match the element name with its symbol.​<br>-​Na<br>A)​calcium<br>B)​carbon<br>C)​hydrogen<br>D)​iron<br>E)​oxygen<br>F)​sodium<br>G)​potassium<br>H)​nitrogen<br>I)​magnesium<br>J)phosphorus

Q13: Match the element name with its symbol.​<br>-​Ca<br>A)​calcium<br>B)​carbon<br>C)​hydrogen<br>D)​iron<br>E)​oxygen<br>F)​sodium<br>G)​potassium<br>H)​nitrogen<br>I)​magnesium<br>J)phosphorus

Q15: Buffers help a living organism to maintain

Q16: The smallest unit of a compound is

Q17: Which of the following means many?​<br>A) ​Poly<br>B)

Q18: Atoms that are alike combine to form

Q19: Match the element name with its symbol.​<br>-​C<br>A)​calcium<br>B)​carbon<br>C)​hydrogen<br>D)​iron<br>E)​oxygen<br>F)​sodium<br>G)​potassium<br>H)​nitrogen<br>I)​magnesium<br>J)phosphorus