PRELAB YEAST FERMENTATION

Question 1

Title of Experiment

Answer 1

Yeast Fermentation Experiment

Question 2

The yeast mixture should be __% w/v in concentration

Answer 2

10

Question 3

In the fermentation setup

The other end of the rubber tubing must be submerged into the __-mL ________ solution placed in the test tube

Answer 3

10

Ca(OH)2

Question 4

The test tube may be kept in place using the____ _____
assembled to an ____ _____

Answer 4

Iron Clamp

Iron Stand

Question 5

In the fermentation setup

Place __.__ mL of the glucose solution into the suction flask

Answer 5

50.00mL

Question 6

When oxygen is available, __________ _________ happens to produce ________

Answer 6

Aerobic Respiration

Pyruvate

Question 6

Data collection

Continue the reaction to occur until the __-minute mark.

Answer 6

30

Question 6

Data collection

Continue the timer and note the time for the appearance of a continuous ______ __ _______ in the Ca(OH)2 solution.

Answer 6

Stream of Bubbles

Question 7

Data collection

Add __ drops of 1M ___ into the test tube. Write observations

Answer 7

10

HCI

Question 8

commonly known as baker’s or brewer’s yeast

Answer 8

Saccharomyces cerevisiae

Question 9

Used in brewing and baking as a leavening agent

Answer 9

baker’s or brewer’s yeast

Question 10

These single-celled fungi

Answer 10

facultative aerobes

Question 11

This means that yeast cells may undergo aerobic or anaerobic mechanism of ATP production depending on the environment of the cells

Answer 11

facultative aerobes