Photosynthesis Flashcards

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1
Q

atom

A

The smallest basic unit of matter

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2
Q

molecule

A

Two or more atoms bonded by shared electrons

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3
Q

ATP

A

A molecule made up of subunits adenine and ribose, as well as three phosphate groups. it is an energy carrier.

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4
Q

photosynthesis

A

To capture and transform light energy from the sun and store it in high-energy sugar molecules

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5
Q

chloroplast

A

An organelle where light absorption and photosynthesis take place in plant cells

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6
Q

cyanobacteria

A

An aquatic single celled photosynthetic organism that evolved 3.5 billion years ago

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7
Q

glucose

A

A sugar made by plants to store energy

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8
Q

absorb

A

To take up or receive by chemical or molecular action

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9
Q

reflect

A

To cast back from a surface

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10
Q

chlorophyll

A

Pigment molecules inside a chloroplast

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11
Q

thylakoids

A

The disk shaped sacs that are in the inner membrane of the chloroplast

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12
Q

electron transport chain

A

a stage in photosynthesis where electrons’ energy is used to pump hydrogen ions into the thylakiod making a build up of ions

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13
Q

ion

A

an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons,

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14
Q

light-dependent reaction

A

a reaction that occurs during photosynthesis in the thylakiods when light is absorbed

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15
Q

light-independent reaction

A

A reaction that occurs during photosynthesis in the stroma without light

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16
Q

stroma

A

A fluid located in the interior of chloroplast’s inner membrane and surrounding the thylakoids

17
Q

The Calvin Cycle

A

the second stage of photosynthesis that uses energy from light dependent reactions (ATP and NADPH) to make sugar

18
Q

producers

A

organisms that take energy from the sun and convert it into food