Cell Homeostasis

Question 1

Did you read the Student Guide carefully?

Revolt · Accepted Answer

A: yes

Question 2

Think about the lab procedure you just read. Label each factor below V if it was variable during the procedure or C if it was constant.molecule size (large starch molecules vs. small glucose molecules)

Revolt · Accepted Answer

B: V

Question 3

Select all steps below that help you handle chemicals safely.

Revolt · Accepted Answer

A: using droppers to transfer small amounts of chemicals; B: using tongs to move hot objects; C: checking the test tubes for chips prior to using them; D: washing your hands after you finish the lab

Question 4

material used as the membrane

Revolt · Accepted Answer

A: C

Question 5

Select all the reasons for checking glassware for cracks or chips prior to use.

Revolt · Accepted Answer

B: You could cut yourself on glassware that has a chip.; C: Chips or cracks can make the glassware more likely to break during use.

Question 6

amount of substances used

Revolt · Accepted Answer

A: C

Question 7

number of trials

Revolt · Accepted Answer

A: C

Question 8

whether the molecules diffused through the membrane (tubing)

Revolt · Accepted Answer

B: V

Question 9

Now label the variables: Molecule size is the variable. The ability of the

Revolt · Accepted Answer

A: independent

Question 10

material to diffuse is the variable.

Revolt · Accepted Answer

B: dependent

Cell Homeostasis Answers

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