Question 1

Fill in the table below.

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Question 2

Explain why a negative  does not necessarily mean it will be a rapid reaction.

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Question 3

List the three chemical properties of ATP that account for the large standard free energy change that occurs when a phosphoanhydride bond is cleaved.

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Question 4

It is known that lipid molecules in a membrane are able to move throughout the membrane.Propose a method to determine which mode of motion is MOST likely to happen and justify your answer.

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Question 5

Explain the first and second laws of thermodynamics and how they are relevant to the field of biochemistry.

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Question 6

In the figure below,label which reactions are oxidations and which are reduction.

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Question 7

The inclusion of cholesterol in a membrane can change the behavior of the membrane.Compare how the membrane behaves at low cholesterol concentration compared with high cholesterol concentration.

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Question 8

Explain why adding nonpolar compounds to water is energetically unfavorable.

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Question 9

If serum pH falls blow pH 7.4,a condition called acidosis,how does the body respond?

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Question 10

Name and briefly describe the four types of weaker intermolecular forces found in biochemistry.

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Question 11

In the figure below,identify the adenine base,ribose,and phosphoanhydride bonds.

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Question 12

Compare a catabolic pathway versus an anabolic pathway.

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Question 13

What are the three major types of membranes?

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Question 14

Using the figure below,explain how having unsaturated fatty acid tails on phospholipids affects the fluidity of the membrane.

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Question 15

Water is a simple molecule that has three distinct properties.What are these properties and how are they critical for life processes?

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Question 16

How can a reaction that is endergonic occur in a biological system?

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Question 17

The antifreeze proteins evolved independently through convergent evolution.What does that mean?

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Question 18

Given the figure below,label the following: hydration layer,electrostatic interaction,hydrogen bond,van der Waals interaction.

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Question 19

Compare the structure of a phospholipid bilayer and the structure of a micelle.

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Quiz 2: Physical Biochemistry: Energy Conversion,water,and Membranes