Which of the following is an example of an exchange reaction?
A) AgNO3 + KCL > AgCl + KNO3
B) H+ + HCO3- > H2 CO3
C) Na + Cl > NaCl
D) 2H2O > 2H2 + O2
Answer: A
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The Chemical Level of Organization
- Which of the following describes, covalent bonds?
- Which type of lipid is used to produce triglycerides and phospholipids
- Which of the following is TRUE regarding enzymes?
- Ions are called (blank) because they carry an electrical charge.
- The number of protons and neutrons in an atom is called the (blank).
- Thymine and cytosine are single-ring bases called (blank).
- Which of these are considered isomers of each other?
- The energy required to start a chemical reaction is called the (blank) energy.
- Which of the following substances would be considered a salt?
- Which of these would be classified as a protein?
- Fatty acids with double bonds between carbons are called
- The enzyme lipase would break down which of the following?
- Oils
- The bonds between two identical atoms are always polar covalent bonds.
- If chlorine has an atomic mass of 35, then 1 mole of chlorine would equal
- When a macromolecule is broken down into smaller molecules, a molecule of (blank) is added.
- Which atoms make up a carbohydrate?
- In DNA, guanine always pairs with
- In an oxidation reaction, an atom will lose a(n)
- ATP is directly produced from the breakdown of
- Which of the following is an example of the secondary structure found in proteins?
- Molecules that have identical molecular formulas but different atom arrangements are called
- The structure of DNA is called
- Which simple sugar is the body's main source of chemical energy?
- Steroids differ from other lipids because they