Chp 2 Chemistry - Biochemistry

Which element is found in all organic compounds?

• Calcium

• Chromium

• Sulfur

• Carbon

Water is the most abundant inorganic compound in living material. It makes up how much volume in living cells?

• 25-50%

• 50-70%

• 60-80%

• 95-100%

Which property of water describes its ability to absorb and release large amounts of heat before changing appreciably in temperature itself?

• high heat capacity

• high heat of vaporization

• polar solvent properties

• reactivity

• cushioning

Which property of water describes its importance as a reactant in many chemical reactions.

• high heat capacity

• high heat of vaporization

• polar solvent properties

• reactivity

• cushioning

Which property is described by water forming a resilient layer around certain body organs?

• high heat capacity

• high heat of vaporization

• polar solvent properties

• reactivity

• cushioning

Which property of water is described by the large amounts of heat needed to be absorbed for water to change phases?

• high heat capacity

• high heat of vaporization

• polar solvent properties

• reactivity

• cushioning

Which property of water is involved with water being a solvent?

• high heat capacity

• high heat of vaporization

• Polar solvent properties

• Reactivity

• Cushioning

Dehydration synthesis involves....

• the removal of a water molecule to combine molecules

• the removal of a water molecule to break apart molecules

• the addition of a water molecule to combine molecules

• the addition of a water molecule to break apart molecules

Hydrolysis reactions are described by which of the following?

• Organic compounds are joined together by adding a molecule of water

• Organic compounds are divided apart by adding a molecule of water

• Organic compounds are joined together by removing a molecule of water

• Organic compounds are divided apart by removing a molecule of water

Which of the following diagrams represents a polysaccharide?

• A

• B

• C