Deck 28: Actions of a Digestive Enzyme

Question 1

Which compound will change the color of the IKI solution when present?

A) fat
B) glucose
C) starch
D) protein

Answer 1

C

Question 2

Which of the following compounds will result in a color change of a solution containing iodine potassium iodide (IKI)?

A) protein
B) fat
C) glucose
D) amylopectin

Answer 2

D

Question 3

What is a substance that increases the rate at which a chemical reaction will occur?

A) substrate
B) catalyst
C) polysaccharide
D) amylose

Answer 3

B

Question 4

A young woman developed necrotizing enterocolitis,which required the removal of her small intestine.What is one of the enzymes that will no longer be present because of the removal of her small intestine?

A) amylase
B) maltase
C) maltose
D) amylose

Question 5

In the absence of maltase,what product will accumulate during the breakdown of starch?

A) glucose
B) maltose
C) sucrose
D) amylose

Question 6

Which of the following compounds will result in a positive Benedict's test?

A) maltose
B) fat
C) starch
D) protein

Question 7

What is the name for a biological catalyst?

A) enzyme
B) active site
C) polysaccharide
D) substrate

Question 8

Which enzyme initiates the chemical digestion of starch?

A) dextrin
B) amylase
C) maltase
D) amylose

Question 9

What is the name for the location on an enzyme where a substrate binds?

A) maltase
B) amylase
C) catalyst
D) active site

Question 10

Breaking down maltose by maltase will produce which of the following sugars?

A) sucrose
B) glucose
C) lactose
D) amylose

Question 11

When starch is digested by amylase what is the first breakdown product?

A) dextrin
B) glucose
C) amylose
D) sucrose

Question 12

Which of the following sugars is a disaccharide?

A) maltose
B) galactose
C) fructose
D) glucose

Question 13

________ is a reactant substance that is acted upon by a specific enzyme.

A) Amylase
B) A substrate
C) Maltase
D) A catalyst

Question 14

Which of the following compounds will result from the breakdown of starch in the presence of both amylase and maltase?

A) fructose
B) glucose
C) lactose
D) galactose

Question 15

The breakdown of amylopectin in the presence of amylase and maltase will result in which of the following products?

A) galactose
B) glucose
C) sucrose
D) fructose

Question 16

Which of the following is a polysaccharide?

A) starch
B) glucose
C) sucrose
D) maltose

Question 17

A young man has a congenital inability to break down maltose.Which enzyme is he unable to produce?

A) lactase
B) glucose
C) fructose
D) maltase

Question 18

Starch is broken down into which of the following sugar moieties by amylase?

A) galactose
B) maltose
C) lactose
D) glucose

Question 19

Which of the following can be broken down chemically by amylase?

A) lactose
B) glucose
C) amylopectin
D) sucrose

Question 20

Maltose is a disaccharide consisting of which of the following sugar moieties?

A) galactose-glucose
B) sucrose-sucrose
C) lactose-lactose
D) glucose-glucose