Study Guide Test 1- Part 2

Question 1

What is a single covalent bond

Answer 1

Bond that shares electrons

Question 2

How many bonds does a carbon atom always form

Answer 2

4

Question 3

What are the different types of reactions

Answer 3

Synthesis. Decomposition. Reversible reaction. Exchange reaction.

Question 4

What reactions happens when hydrogen and oxygen atoms bond to form molecules of water

Answer 4

Synthesis

Question 5

What reaction happens when the bonds of a reactant molecule break to form simpler molecules. Atoms or ions.

Answer 5

Decomposition

Question 6

What reactions happens when products change back into reactants or reactant

Answer 6

Reversible

Question 7

What reaction happens when Pate’s of two different kinds of molecules trade places

Answer 7

Exchange

Question 8

What is the most abundant compound in living systems

Answer 8

Water

Question 9

What polysaccharide is used as an energy storage molecule

Answer 9

Starch

Question 10

What atoms make up a carbohydrate

Answer 10

Carbon hydrogen and oxygen

Question 11

What are the building blocks of proteins

Answer 11

Amino acids

Question 12

What is pH

Answer 12

Acidity

Question 13

What compounds supply ions for cells

Answer 13

Inorganic

Question 14

What class of organic compounds do steroids belong to

Answer 14

Lipids

Question 15

What are the functions of proteins

Answer 15

Structural materials, energy sources, hormones, receptors on cell surfaces, antibodies, enzymes

Question 16

What substance realease ions in water

Answer 16

Electrolytes

Question 17

What substance is necessary to maintain homeostasis

Answer 17

Electrolytes

Question 18

What substances release hydrogen ions in water

Answer 18

Acids

Question 19

What substances release ions that combine with hydrogen ions

Answer 19

Bases

Question 20

What substances are formed by the reaction between and acid and a base

Answer 20

Salts