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2023-2024 > General Photosynthesis > Flashcards

General Photosynthesis Flashcards

1
Q

What is Photosynthesis?

A

Process of capturing energy from sun, and using it to make chemical energy

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2
Q

What is the General Chemical Equation for Photosynthesis?

A

6CO2 + 6H2O → C6H12O2 + 6O2

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3
Q

How would you say the Chemical Equation in words?

A

Carbon Dioxide + Water → Glucose + Oxygen

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4
Q

What are Packets of Light Energy called?

A

Photons

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5
Q

Why are Plants Green?

A

Because Chlorophyll A and B absorb Red and Blue light but reflect Green

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6
Q

Why do Plants change color in the Fall?

A

Chlorophyll gets Denatured

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7
Q

Absorbing light =

A

Absorbing Energy

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8
Q

What does Absorbing Light do to the Chlorophyll?

A

It causes electrons to be excited

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9
Q

What is the main Organ that carries on Photosynthesis?

A

The Leaf

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10
Q

What is a Stoma?

A

Opening that allows air to enter and leave leaf

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11
Q

Why are Stoma closed during night?

A

To prevent water loss

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12
Q

What is the Organelle where Photosynthesis occurs?

A

Chloroplast

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13
Q

What is a Thylakoid?

A

A membrane bound sac

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14
Q

What is a Granum/Grana?

A

A stack of Thylakoids

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15
Q

What is a Stroma?

A

Fluid outside Thylakoids

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16
Q

What is the Thylakoid Space?

A

Space inside Thylakoid

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17
Q

What is the difference between Stroma and Stoma?

A

Stroma = Thylakoid Fluid
Stoma = Hole for air

18
Q

What are the two parts of Photosynthesis?

A

Light Dependent Reaction and Light Independent Reaction

19
Q

Where do Light Dependent Reactions occur?

A

In the Thylakoid Membrane

20
Q

LIR and LDR are the two processes of…

A

Photosynthesis

21
Q

Which process comes first, LIR or LDR?

A

LDR

22
Q

What is Photorespiration?

A

It is a dysfunctional form of Photosynthesis

23
Q

What makes Photorespiration different from Photosynthesis?

A

Instead of using CO2, it uses O2, which produces only 1 PGA

24
Q

What are C3 Plants?

A

These are normal plants that convert carbon through the LIR

25
Q

What are C4 Plants?

A

These are plants that convert CO2 into 4-Cs (CCCC)

26
Q

What makes C4 Plants unique?

A

They have their stomates partially closed during the day and only lose 1/2 of water; typically these plants grow faster

27
Q

What are CAM plants?

A

Plants that close stomate during day and open during night; store things for Calvin Cycle during the night, and do the Calvin Cycle during the day; these plants grow slowly but lose less water, and hence have chunky leaves

28
Q

Sunlight is ______ energy

A

Radiant

29
Q

What are carotenoids?

A

Red and Orange colored Pigments

30
Q

What is chlorophyll?

A

Green/Blue pigments

31
Q

Why do leaves change colour in the fall?

A

Chlorophyll dies, and carotenoids take over

32
Q

What is the job of the Guard Cell?

A

To control the opening and closing of the Stomas

33
Q

List the layers of the plant in order:

A

Cuticle, Upper Epidermis, Palisade Layer, Spongy Layer, Lower Epidermis

34
Q

What layer is the vein located in?

A

Spongy Layer

35
Q

What are the two key parts within the vein?

A

Xylem and Phloem

36
Q

What is the Xylem responsible for?

A

Transporting Water

37
Q

What is the Phloem responsible for?

A

Transporting Food (phloem phood)

38
Q

What layer is the chloroplast found in?

A

Palisade Layer

39
Q

The Chloroplast has ___ membrane(s)

A

2

40
Q

Photosystems are a group of ________ in the ________ _________ whose job is to ______ _____

A

Pigments, Thylakoid Membrane, Absorb Light

41
Q

What type of macromolecule is a Cytochrome?

A

A Protein

2023-2024 (17 decks)

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