Unit 1 List 2 Cell Energy Flashcards

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1
Q

Autotroph

A

An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.

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2
Q

Light Reaction

A

The process of photosynthesis that converts energy from the sun into chemical energy in the form of NADPH and ATP.

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3
Q

Chlorophyll

A

The green pigment that plants use to make food during a process called photosynthesis.

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4
Q

Photosynthesis

A

The process by which green plants and certain organisms transform light energy into chemical energy.

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5
Q

Calvin Cycle

A

A process that plants and algae use to turn carbon dioxide from the air into sugar, the food autotrophs need to grow.

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6
Q

Electron Transport Chain (ETC)

A

A series of four protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation.

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7
Q

NADPH

A

NADPH is an essential electron donor in all organisms, and provides the reducing power for anabolic reactions and redox balance.

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8
Q

Mitochondrial Matrix

A

The inner space surrounded by the mitochondrial inner membrane.

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9
Q

Aerobic Respiration

A

A chemical process in which oxygen is used to make energy from carbohydrates (sugars).

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10
Q

Fermentation

A

A process in which sugars are transformed into a new product through chemical reactions.

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11
Q

NAD+

A

NAD+ is a critical coenzyme found in every cell in your body that’s involved in hundreds of metabolic processes like cellular energy and mitochondrial health.

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12
Q

Alcoholic Fermentation

A

The process of using yeasts to convert sugars into alcohol.

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13
Q

Glycolysis

A

A set of reactions that converts glucose to pyruvate or lactate.

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14
Q

ADP

A

A biological molecules consisting of one adenine, one sugar, and two phosphates. It is essentially how ATP looks after the third phosphate bond breaks.

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15
Q

Pigment

A

The natural coloring matter of animal or plant tissue.

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16
Q

Stomata

A

Any of the minute pores in the epidermis of the leaf (underneath the leaf) or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the inter-cellular spaces.

17
Q

Granum

A

A stack of coin-shaped thylakoids in the chloroplast of plant cells.

18
Q

Carbon Fixation

A

The process by which plants and algae convert the carbon found in inorganic molecules into organic matter to produce fuel for cellular respiration.

19
Q

Heterotrophs

A

An organism deriving its nutritional requirements from complex organic substances.

20
Q

Thylakoids

A

Flatted sacs inside a chloroplast bounded by pigmented membranes on which the light reactions of photosynthesis take place.

21
Q

Carotenoids

A

Any of a class of yellow, orange, or red fat-soluble pigments, including carotene, which color to plant parts.

22
Q

NADH

A

A universal coenzyme that plays a central role in cellular metabolism. It acts as a donor and acceptor of electrons in redox reactions within all eukaryotic cells.

23
Q

Anaerobic Respiration

A

Respiration using electron acceptors with the exception of the molecular oxygen.

24
Q

Cellular Respiration

A

A series of chemical reactions that break down glucose to produce ATP.

25
Q

Krebs Cycle

A

A chain of reactions occurring in the mitochondria. It uses oxygen and gives out water and carbon dioxide as products.

26
Q

Pyruvic Acid

A

An acid that is formed from carbohydrates during the process of glycolysis.

27
Q

Citric Acid

A

An organic compound that is colorless and weak. It is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms.

28
Q

ATP

A

ATP is the source of energy for use and storage at the cellular level.