Kate Kerr
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Kate Kerr
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Fall Biology 3

Question 1 of 13

1

The second law of Thermodynamics is that Energy Transformations are never 100% efficient

Select one of the following:

  • True
  • False

Explanation

Question 2 of 13

1

Select all that are true

Select one or more of the following:

  • Organisms are open systems

  • Organisms need constant energy inflow because there is a constant outflow

  • In a closed system, energy leaves the system

Explanation

Question 3 of 13

1

Shape determines protein function

Select one of the following:

  • True
  • False

Explanation

Question 4 of 13

1

Select all that is true about catalysts

Select one or more of the following:

  • Enzymes help to catalyze reactions in metabolic pathways

  • Catalysts have no impact on reactions

  • Catalysts speed up reactions

  • Catalysts slow down reactions

Explanation

Question 5 of 13

1

Check the best answer about enzymes

Select one or more of the following:

  • Enzymes are proteins

  • The shape of the enzyme determines the enzyme's function

  • Enzymes are catalysts

  • All of the above

  • None of the above

Explanation

Question 6 of 13

1

Enzyme active sites bind to substrate molecules

Select one of the following:

  • True
  • False

Explanation

Question 7 of 13

1

DNA is located in the

Select one of the following:

  • cell membrane

  • nucleus

  • rough ER

Explanation

Question 8 of 13

1

Based on this investigation title: The effect of temperature on food vacuole formation in Tetrahymena pyriformis, what is the Independent Variable (IV)?

Select one of the following:

  • Tetrahymena pyriformis

  • Different temperatures amounts (ie. 12, 22, and 30 degrees Celsius)

  • Number of food vacuoles

Explanation

Question 9 of 13

1

Based on this investigation title: The effect of temperature on food vacuole formation in Tetrahymena pyriformis, what is the Dependent Variable (DV)?

Select one of the following:

  • Tetrahymena pyriformis

  • Different temperature amounts

  • Number of food vacuoles

Explanation

Question 10 of 13

1

Based on this investigation title: The effect of temperature on food vacuole formation in Tetrahymena pyriformis, what is the study organism?

Select one of the following:

  • Tetrahymena pyriformis

  • Different temperature amounts

  • Number of food vacuoles

Explanation

Question 11 of 13

1

Active sites are the place where part of the enzyme interacts with the substrate

Select one of the following:

  • True
  • False

Explanation

Question 12 of 13

1

Substrates are the molecules that join with an enzyme at the active site

Select one of the following:

  • True
  • False

Explanation

Question 13 of 13

1

A protein's final shape determines the protein's function.

Select one of the following:

  • True
  • False

Explanation

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