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Biology > Photosynthesis (Lecture 7) > Flashcards

Photosynthesis (Lecture 7) Flashcards

1
Q

Conversion of light energy to chemical energy and the storage of that energy in the form of carbon based molecules (sugars)

A

Photosynthesis

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2
Q

Organisms that use light as an energy source to produce glucose

A

Photoautotrophs

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3
Q

Ingredients for Photosythesis

A

6 CO2 - Carbon Dioxide
12 H2O - Water

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4
Q

Products of Photosynthesis

A

C6 H12 O6 - Glucose
6 O2 - Oxygen
6 H2O - Water

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5
Q

Longer Wavelengths

More or Less energy?

A

Less Energy

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6
Q

Shorter Wavelengths

More or Less Energy?

A

More Energy

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7
Q

Molecules that absorb some wavelengths of light while reflecting others

A

Pigments

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8
Q

Which color pigment reflects all wavelengths of light and absorbs none?

A

White Pigments

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9
Q

Which color pigment absorbs all wavelengths of light and reflects none?

A

Black Pigments

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10
Q

Which color of pigments are the primary pigments of most plants and algae

A

Green Pigments

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11
Q

The name of the primary green pigment for plants and algae

A

Chlorophylls

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12
Q

The name of the red, orange, and yellow accessory pigments of most plants and algae

A

Carotenoids

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13
Q

Cells in the middle of a leaf that contain chloroplasts and therefore photosynthesize

A

Mesophyll Cells

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14
Q

Pores in the lower epidermis that allow for the intake of carbon dioxide and the release of oxygen

A

Stomata

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15
Q

Cells that surround the stomata and therefore regulate the gas exchange by changing the diameter of the stomata

A

Guard Cells

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16
Q

Single cell later covering on the top and on the bottom of a leaf

A

Epidermis

17
Q

Layer of wax produced by the epidermis that prevents against water loss

A

Cuticle

18
Q

Double membrane covering the chloroplast

A

Chloroplast envelope

19
Q

Disk-shaped structures that are covered by photosynthetic pigments

A

Thylakoid disks

20
Q

A stack of thylakoid disks

A

Granum

21
Q

The energy-rich fluid of the chloroplast

A

Stroma

22
Q

What are the Light Reactions (or Phosphorylation) in Photosynthesis? Where do they occur?

A

Photosystem II
Electron Transport Chain
Photosystem I

The occur along the Thylakoid Disks

23
Q

What are the Dark Reactions in Photosynthesis? Where do they Occur?

A

Calvin Cycle
Benson Cycle

Occurs in the stroma

24
Q

A group of pigment molecules in an integral protein of a Thylakoid Membrane that trap a specific wavelength of light

A

A Photosystem

25
Q

Where is light energy collected in Photosystems transferred to?

A

Available electrons

26
Q

This Photosystem includes Reactions Center P680

A

Photosystem II

27
Q

During which Photosystem does light energy cause water molecules to split into Oxygen, H+, and elecrons?

A

Photosystem II

28
Q

What receives electrons from Photosystem II in a process similar to what is seen in Anaerobic Cellular Respiration?

A

The Electron Transport Chain

29
Q

The electrons in the Electron Transport Chain release their energy in through a series of proteins. What does this allow the Synthesis of? Where will it be released?

A

The synthesis of ATP

It will be released in the Stroma

30
Q

This Photosystem includes reactions center P700

A

Photosystem I

31
Q

The light energy absorbed from this photocenter allows for the re-energizing of the electrons that are received from the Electron Transport Chain

A

Photosystem I

32
Q

After being re-energized in Photosystem I, the electrons are passed to these temporary electron carrier molecules

A

NADPH

33
Q

What three products are produced during Light Reactions (Photophosphorylation)

A

Oxygen, ATP, and NADPH

34
Q

Where does the Calvin Cycle occur?

A

The Stroma

35
Q

What two ingredients does the Calvin Cycle require that the Light Reactions produce?

A

ATP and NADPH

36
Q

What single ingredient does the Calvin Cycle require that is NOT produced by the Light Reactions?

A

Carbon Dioxide
CO2

37
Q

What is the goal of the Calvin Cycle?

A

The produce Glucose

Biology (25 decks)

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