BIOL 1308 Exam 2 Practice #1

In the following reaction, galactose is a ______.

galactose + glucose --> lactose + water

• polyssacharide

• polymer

• protein

• monomer

What name is given to the following reaction?

sucrose + water --> glucose + fructose

• dehydration

• hydrolysis

What name is given to this reaction: galactose + glucose --> lactose + water

• dehydration

• hydrolysis

What can you conclude about the following reaction?

galactose + glucose --> lactose + water

• Glucose and lactose are both dissacharides

• Lactose is a disaccharide and glucose is a monosaccharide

• Galactose and glucose are both polysaccharides

• This is an example of a hydrolysis reaction.

Table sugar is ______.

• glucose, a disaccharide

• sucrose, a disaccharide

• sucrose, a monosaccharide

• glucose, a monosaccharide

For good health, it is important to include ______ in our diets.

• fructose

• polysaccharides

• disaccharides

• monosaccharides

Plants use which molecule as an energy-storing carbohydrate?

• maltose

• cellulose

• starch

• glycogen

Which substance is hydrophilic?

• butter

• cholestrol

• cellulose

• testerone

Sometimes when I have my morning coffee, which I drink black with no cream or sugar, I notice a thin film floating on top of the coffee. Since I have just read Chapter 3 of the text, I now realize the nature of this substance, and so I run to my friend screaming, "Look at this ______ in my coffee!"

• disaccharide

• hydrophobic substance

• polysaccharide

• hydrophilic substance

What name is given to the following reaction?

glycerol + 3 fatty acids --> triglyceride + 3 water molecules

• dehydration

• hydrolysis