Yeast is unable to use lactose as a substrate. Why?

Yeast does not have the enzyme lactase to degrade lactose

Which of the following is an accurate statement about azide?

Azide interferes with carbon dioxide production in yeast.

The standard deviation for carbon dioxide production in response to the addition of glucose was ______________ compared with the standard deviation with the addition of sucrose?

lower

Based on your standard deviation, what can you conclude about the results from your respiration experiment using sucrose.

There was a lot of variation from lab group to lab group

Was yeast able to use glucose as an energy substrate?

yes

Citrate can be used as an energy source by yeast. How is citrate used?

.

It is an intermediate of the Kreb's cycle.

Answers:

What electron carrier is reduced in the process of glycolysis?

NAD+

Which of the following is a valid conclusion about sucrose as a substrate in yeast respiration?

Yeast is able to use sucrose as a substrate