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BIO-111 > Chapter 8 > Flashcards

Chapter 8 Flashcards

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Biology 101 flashcards
1
Q

Plants needs this to make glucose. How plants make glucose.

A

Photosynthesis

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2
Q

Make their own food. Producers, produce organic molecules from CO2, plants, algae, some bacteria.

A

Autotroph

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3
Q

Make food from material from others. Consumers, obtain their organic material from others. Animals is an example.

A

Heterotroph

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4
Q

No ATP. Make glucose and use that to make ATP

A

Photosynthesis

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5
Q

Photosynthesis Equation

A

CO2 +H20 + light —> glucose + O2

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6
Q

What is a byproduct of photosynthesis?

A

Oxygen

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7
Q

What are the steps of Photosynthesis?

A

1.) Light Reaction
2.) Calvin Cycle

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8
Q

Where does photosynthesis occur and is found in mesophyll of leaves?

A

Chloroplasts

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9
Q

Middle of a leaf. Inside are chloroplasts

A

Mesophyll

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10
Q

Pores inside chloroplasts that allow gas to be exchanged (O2 and CO2)—allow CO2 to come in and O2 to come out

A

Stomata (means whole or pore)

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11
Q

Inside chloroplasts are membranes made of what?

A

Phospholipids

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12
Q

Chlorophyll is in membranes of this. One pancake.

A

Thylakoid

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13
Q

Stacks of thylakoids. Whole stack of pancakes.

A

Gran (Granum)

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14
Q

Fluid filled interior of chloroplasts

A

Stroma

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15
Q

Light Reaction Reactants:

A

Light and H2O

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16
Q

Light Reaction Products:

A

ATP, NADH, and O2

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17
Q

Where is light reaction located?

A

Thylakoids of chloroplasts

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18
Q

Distance between waves; determines types of electromagnetic energy

A

Wavelength

19
Q

Entire range of electromagnetic energy

A

Electromagnetic spectrum

20
Q

Produce colors we can see, also drives photosynthesis.

A

Visible light

21
Q

Absorbs and takes in light. Plants have what to do this?

A

Plant pigments

22
Q

Most common pigment

A

Chlorophyll (green)

23
Q

Plants are green because we see green. Plants absorb every color except what color, because it is reflected?

A

Green

24
Q

Orange. Reflect orange light. Stick around longer than chlorphyll

A

Carotenoids

25
Q

Light Reaction Equation:

A

Light—> ATP + NADPH
H2O —> O2

26
Q

NADPH and ATP are going to enter into the what?

A

Calvin Cycle

27
Q

Calvin Cycle Reactants:

A

ATP, NADH, CO2

28
Q

Calvin Cycle Products:

A

Glucose

29
Q

Where is the Calvin Cycle located?

A

Stroma in chloroplasts

30
Q

Is this true or false?
Light + H2O + CO2 ——-> glucose + O2
CO2 goes with O2?

A

False

31
Q

Light + H2O + CO2—-> glucose + O2
H2O goes with O2
and
CO2 goes with glucose

A

True

32
Q

What molecule gives us oxygen?

A

H2O

33
Q

Converts solar energy into chemical energy.

A

Photosynthesis

34
Q

Photosynthesis Equation:

A

6CO2 +12H2O +light energy—-> C6H12O6 +6O2 +H2O
or
CO2 +H2O+ light–> glucose +O2

35
Q

What is a byproduct of photosynthesis?

A

Oxygen (O2)

36
Q

A form of electromagnetic energy/radiation.

A

Light

37
Q

Light Behaves as though it consists of discrete particles known as what?

A

photons

38
Q

Substance that absorb light. Different pigment absorb different wavelengths. Wavelengths that are not absorbed are reflected or transmitted. Leaves appear green because chlorophyll reflects and transmits green light.

A

Pigments

39
Q

Violet-blue and red light work best

A

chlorophyll a

40
Q

Accessory pigments include this and a group of pigments called carotenoids.

A

chlorophyll carotenoids

41
Q

When a pigment absorbs light, it goes from a ground state to an excited state.

A

Excitation of Chlorophyll by Light

42
Q

Consists of a reaction center complex (a type of protein complex) surrounded by light-harvesting complexes. This is what?
What are pigment molecules bound to proteins that transfer the energy of photons to the reaction center?

A

photosystem

light-harvesting complexes

43
Q

CO2 from the atmosphere is utilized during the light reaction as a source of carbon.
True or False?

A

False

44
Q

Calvin Cycle reactions occurs in the _______, while light reactions occur in the ________.
A.) Thylakoid lumen; thylakoid membranes
B.) stroma; thylakoid lumen
C.) stroma; thylakoid membranes
D.) thylakoid membranes; inner membrane
E.) intermembrane space; stroma

A

C.) stroma; thylakoid membranes

BIO-111 (13 decks)

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