You Place Yeast Cells in a Glucose Solution and Plot

question 37

Multiple Choice

You place yeast cells in a glucose solution and plot the rate of glucose uptake.You see an increase in glucose uptake over time (that is,the longer the yeast are in the sugar solution,the faster they can take sugar into the cell) .The most likely explanation for this is the cell membrane is becoming more permeable because _____.

• A)the yeast is inserting more cholesterol into the membrane
• B)the difference in glucose concentration between the inside of the cell and outside of the cell is increasing
• C)the difference in glucose concentration between the inside of the cell and outside of the cell is decreasing
• D)the yeast is inserting more glucose protein transporters into its membrane

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Definitions:

Selection Bias

A distortion in statistical analysis resulting from the method of collecting samples.

Positive Correlation

A relationship between two variables in which both variables move in the same direction.

Foot Size

A measurement of the length of a person's foot, often used in determining appropriate shoe fitting.

Neutral

Not supporting or helping either side in a conflict, dispute, or competition.