ALCOHOLIC FERMENTATION (Activity 3)

Question 1

The 3 products of fermentation are

Answer 1

atp, ethanol, carbon dioxide

Question 2

The conversion of carbohydrate such as sugar into an acid or alcohol

Answer 2

fermentation

Question 3

Fermentation that uses yeast is

Answer 3

alcoholic fermentation

Question 4

Fermentation converts carbohydrate into

Answer 4

acid or alcohol

Question 5

Enzymes involved in fermentation

Answer 5

maltase, protease, hydrolase

Question 6

This process takes place under ____ such as in the absence of
oxygen liberating a small amount of energy.

Answer 6

anaerobic conditions

Question 7

The first step involves the decarboxylation of pyruvate from ___ to
acetaldehyde acted by the enzyme pyruvate decarboxylase.

Answer 7

glycolysis

Question 8

The second step is the reduction of acetaldehyde which is catalyzed by alcohol
dehydrogenase producing ____ and ____ as the end products.

Answer 8

ethanol and carbon dioxide

Question 9

Galactose

Answer 9

fermented with difficulty

Question 10

glucose, fructose, sucrose

Answer 10

easily fermented

Question 11

xylose, starch, lactose

Answer 11

not fermented at all

Question 12

maltose = 2C2H5OH + 2CO2

Answer 12

C12H22O11

Question 13

How much energy is released by fermentation?

Answer 13

Less than seven percent of the energy or two moles of carbon dioxide + two moles of ethanol = two moles of ATP