Metabolism Flashcards

1
Q

Kinetic energy

A

Energy of motion

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2
Q

Potential energy

A

Stored energy

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3
Q

Catabolic reactions and ex

A

Energy is released
Complex molecules are broken down to simpler molecules
Ex cellular respiration

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4
Q

Anabolic reactions

A

Energy is absorbed

Simpler molecules combine to build molecules more complex

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5
Q

Two laws of thermodynamics

A

Energy cannot be created or destroyed but only converted from one form into another
During any process, the universe tends toward disorder

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6
Q

Exergonic

A

Energy is released

Catabolic

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7
Q

Endergonic

A

Absorbs energy

Anabolic

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8
Q

First stage of cellular respiration

A

Glycolysis
Broken down because of oxygen
One molecule of glucose to two smaller molecules of pyruvate

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9
Q

Where does glycolysis take place

A

Cytoplasm

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10
Q

Goal of glycolysis is to

A

keep glucose from diffusing out of cell

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11
Q

Products of glycolysis

A

2 NADH and ATP

two pyruvate

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12
Q

Stage two of respiration

A

Pyruvate oxidation
Where the pyruvate Is converted to acetyl-CoA
Products?

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13
Q

Stage 3 of respiration

A

Krebs cycle

Oxidizes acetyl-CoA

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14
Q

Products of Krebs cycle?

A

H

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15
Q

Anaerobic respiration

A

Only use glycolysis, need a way to reoxidize NADH or they will run out of NAD+

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16
Q

Fermentation

A

Less efficient
Reduces an organic molecule
Two types: lactic acid and alcohol

17
Q

Lactic acid fermentation

A
Pyruvate is reduced to 3C Lactate oxidizing NADH Back 
Ex bacteria (prevent spoilage) and human muscles
18
Q

Ethanol fermentation

A

Convert pyruvate to ethanol and CO2

19
Q

Molecules produces anaerobically and aerobically

A

2 ATP from glycolysis

36 ATP from glycolysis, Krebs cycle, and oxidative phosphorylation

20
Q

Chemical equation for photosynthesis

A

6 carbon dioxide + 6 water> C6H12O6 (sugar) + 6 water

21
Q

Photosynthesis occurs where

A

In the chloroplast within the stroma and thylakoid membrane

22
Q

Photosynthesis goal

A

Light energy is converted to chemical

23
Q

Wavelengths
Which length has more and what colours can we see
What can light do when striking an object

A

Short contain more
ROYGBIV
Reflect, transmit, or absorb

24
Q

Chlorophyll

A

Main plant pigment that absorbs red and blue
Most of green is reflected
The energy from the waves are used to excite electrons to travel through the electron transport chain

25
Q

Light reactions occur in

A

thylakoid co2 and water and light make oxygen ATP AND NADPH

26
Q

Calvin cycle occurs

A

In stroma

CO2 and ATP and NADPH make sugar/ carbohydrates