Macromolecules and Diffusion

THE SUSAN B. ANTHONY ACADEMY- I.S. 238

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Macromolecules and Diffusion

Your thoughts/questions Lecture Notes

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1)

2)

3)





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4)

State the effect of increasing the percent of salt in the solution used to water the plants on the

average final height of the plants in groups A through D.

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State one way diffusion was involved in the cause of death of the plants in groups E and F.

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6) Use the diagram below to answer questions A and B.

A)

B)

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8) Base your answers to questions A and B on the diagram below, which represents a

metabolic process, and on your knowledge of biology.

A)

B)

9) The diagram represents a portion of a starch molecule.





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10)

11)





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12)

13)

14)

15)





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16) Base your answers A and B on the information and graphs below and on your

knowledge of biology. The graphs show the relative enzymatic activity of four different

enzymes in acidic (below pH 7) and basic (above pH 7) environments.

A)

B)

17)

Identify the process that

caused the increase in

volume.

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Graphing Practice

18)

Directions: Using the directions included below to complete the graph and the related

questions. Point values are listed as appropriate

In a test for diabetes, blood samples were taken from an individual every 4 hours for 24 hours.

The glucose concentrations were recorded and are shown in the data table below.

Using the information given, construct a line graph on the grid, following the directions below.

1. Mark an appropriate scale on the axis labeled “Blood Glucose Concentration (mg/dL).”

2. Label the x and the y axis.

3. Plot the data from the data table. Surround each point with a small circle and connect

the points.





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19)

Directions: Using the directions included below to complete the graph.

Each year, a New York State power agency provides its customers with information about some

of the fuel sources used in generating electricity. The table below applies to the period of 2002–

2003.

Using the information given, construct a bar graph, following the directions below.

1. Create a title for the graph.

2. Mark an appropriate scale on the axis labeled “Percentage of Electricity Generated.”

3. Label the x and the y-axis.

4. Construct vertical bars to represent the data. Shade in each bar.

Title: __________________________________________________________________





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20)

Directions: Using the directions included below to complete the graph.

The average level of carbon dioxide in the atmosphere has been measured for the past several

decades. The data collected are shown in the table below.

Using the information in the data table, construct a line graph, following the directions below.

1. Mark an appropriate scale on each labeled axis.

2. Create a title

3. Label the x and the y-axis

2. Plot the data on the grid. Surround each point with a small circle and connect the points.

Title: ________________________________________________________________





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Answer Key

1. 3, digested into simple sugars

2. 2, diffusion and diffusion

3. 3, active transport

4. - As the percent of salt in the solution increased the height of the plant decreased.

- As the salt outside the plants were increasing the water leaving the plant and going outside

was increasing. If water keeps leaving the plants the plants will not have any water to help it

grow.

5. 2, functions inside and outside of cells

6. Question A, answer 3 active transport

Question B, answer 4 correct, because water would be moving out of the cell into the salt

solution

7. 4

8. Question A, answer 3 the bonding of simple sugars to form a starch molecule

Question B, answer 4 an enzyme

9. 2, simple sugars

10. 3, active transport

11. 1, function of that protein

12. 2, the rate of activity of an enzyme might change as pH changes.

13. 3, chemical bonds

14. 2, amino acids

15. 2, change shape

16. A, Enzyme: Pepsin. Pepsin would work in the stomach because it is the only enzyme with

relative activity between a pH range of 1.5-4.0.

B, answer 1 chymotrypsis

17. Diffusion is the process that is occurring. Because there is more water outside of the bag,

water

molecules are moving into the bag causing the volume to increase in day 2.


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Macromolecules and Diffusion