Chapter 6

Biology: How Life Works · 9 exercises

Problem 1

Name and describe ways that organisms obtain energy and carbon from the environment.

4 step solution

Problem 2

Distinguish between catabolism and anabolism.

4 step solution

Problem 3

Name and describe the two forms of energy and provide an example of each.

4 step solution

Problem 4

Explain the relationship between strength of a covalent bond and the amount of chemical energy it contains.

4 step solution

Problem 6

Describe the first and second laws of thermodynamics and how they relate to chemical reactions.

4 step solution

Problem 7

If the difference between the enthalpy of the products and that of the reactants is positive and the difference between the entropy of the products and reactants is negative, predict whether the reaction is spontaneous or not.

4 step solution

Problem 8

Describe how the hydrolysis of ATP can drive nonspontaneous reactions in a cell.

5 step solution

Problem 9

Give three characteristics of enzymes and describe how they permit chemical reactions to occur in cells.

3 step solution

Problem 10

Explain how protein folding allows for enzyme specificity.

5 step solution

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