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Biol 198 > Module 5 > Flashcards

Module 5 Flashcards

1
Q

What is the first law of thermodynamics

A

Energy cannot be created or destroyed, but it can be converted

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2
Q

What is the second law of thermodynamics

A

Some useful energy is lost in every reaction as heat

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3
Q

What does endergonic mean

A

Requires energy

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4
Q

What does exergonic mean

A

Releases energy

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5
Q

What is a hydrolysis reaction

A

The releasing of

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6
Q

Oxidation of glucose is…

A

How we get our energy

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7
Q

ATP is…

A

Our cellular energy carrier

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8
Q

Where In ATP structure Is energy stored?

A

In the bonds of the phosphate groups

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9
Q

How is energy released from ATP?

A

Removing a phosphate group

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10
Q

Example of mechanical cell work

A

Movement of organelles

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11
Q

Example of transport cell work

A

Active transport of calcium across a membrane

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12
Q

Example of chemical cell work

A

Synthesis of protein

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13
Q

What is diffusion

A

The spontaneous movement of material from an area of higher concentration to an area of lower concentration

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14
Q

Is a concentration gradient a form of energy?

A

Yes

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15
Q

What does selectively permeable mean

A
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16
Q

What is osmosis?

A

The diffusion of water across a selectively permeable membrane

17
Q

What is Hypertonic

A

More stuff in solution

18
Q

What is hypotonic

A

Less stuff in solution

19
Q

What is isotonic

A

The same amount of stuff in both solutions

20
Q

What is facilitated diffusion

A

The movement of molecules across a plasma membrane using concentration gradient and a membrane protein

21
Q

What is primary active transport?

A

The use of energy to transport protein that moves molecules across a membrane

22
Q

What is a redox reaction

A
23
Q

What is tonicity

A

Relative concentrations of two solutions separated by a semipermeable membrane

Biol 198 (1 decks)

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