Summary: Biochemistry
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Read the summary and the most important questions on Biochemistry
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I.1 Energies
This is a preview. There are 22 more flashcards available for chapter 29/10/2018
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The laws of thermodynamics distinguish between a system and its surroundings. What do these terms refer to?
A system refers to the matter within a defined region of space.
The matter in the rest of the universe is called the surroundings. -
What are examples of a system?
A molecule, a cell, an organism, a glass of water, a train -
What is inner energy?
Inner energy (U) is a fundamental quantity that every system possesses. It allows us to predict how much work the system could remade to do, or how much heat it can produce. -
Name 4 examples of state variables
1. Position
2. Volume
3. Temperature
4. Pressure -
When does enthalpy change?
Enthalpy changes when making or breaking chemical bonds and interactions. -
Which 2 state variables do we discriminate in?
1. Intensive
2. Extensive -
What happens to the extensive and intensive variables if you combine 2 systems?
The intensive variables add up, the intensive variable do not -
What are the two ways entropy changes can be described?
- As the effect of the transfer of a certain amount of heat into or out of the system at a given temperature.
- As change of the behavior of the particles contained in a system and the probability to encounter a particular situation.
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What is the result of a difference in intensive variables?
A difference in intensive variables leads to an exchange of extensive variable -
Where does U stand for?
The amount of internal energy
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Topics related to Summary: Biochemistry
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I.1 Energies
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I.2 Interactions + I.3 Affinity + I.4 Adenosinetriphosphate
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II.1 Proteins + II.2 Protein structure
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II.3 The dynamics of protein structure
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III.1 Catalysis
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III.2 Regulation
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IV.1 Lipids + IV.2 Membrane structure and function
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IV.3 Membrane proteins + IV.4 Membrane transport fundamentals
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V.1 Respiration
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V.2 Chemiosmosis
