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BIO Exam 3 > Chapter 8 > Flashcards

Chapter 8 Flashcards

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Biology 101 flashcards
1
Q

What are the products of photosynthesis?

A

oxygen and carbohydrate

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2
Q

The raw materials or reactants of the photosynthesis process include

A

carbon dioxide and water

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3
Q

At the cellular level, photosynthesis occurs within

A

the chloroplast

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4
Q

Solar energy is captured by

A

pigments

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5
Q

True or False? All of the sunlight that hits the atmosphere is used for photosynthesis

A

False

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6
Q

True or False? Only the highest energy wavelengths are used for photosynthesis

A

False

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7
Q

True or False? Only the red, blue, and violet wavelengths of visible light are used for photosynthesis.

A

True

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8
Q

True or False? Only the green visible light is used for photosynthesis.

A

False

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9
Q

Why are plant leaves green?

A

They reflect green wavelengths of light

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10
Q

The metabolic events that move electrons from water to NADP+ are referred to as what?

A

noncyclic electron pathway

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11
Q

Water is split and oxygen is released in

A

the noncyclic electron pathway

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12
Q

What are the stages of the Calvin cycle?

A

carbon dioxide fixation, carbon dioxide reduction, and regeneration of RuBP

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13
Q

One of the products of the Calvin cycle is

A

G3P

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14
Q

The Calvin cycle reactions are dependent upon the supply of

A

carbon dioxide, NADPH, and ATP

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15
Q

NADPH and ATP are used in the

A

Calvin cycle reactions

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16
Q

True or False? Both photosynthesis and cellular respiration occur in plant cells.

A

True

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17
Q

True or False? Both photosynthesis and cellular respiration produce ATP by chemiosmosis.

A

True

18
Q

True or False? Both photosynthesis and cellular respiration produce oxygen.

A

False

19
Q

True or False? Both photosynthesis and cellular respiration use an electron transport chain located in membranes of organelles.

A

True

20
Q

True or False? Photosynthesis produces oxygen, while cellular respiration uses oxygen.

A

True

21
Q

True or False? Photosynthesis occurs in the mitochondria, while cellular respiration occurs in chloroplasts.

A

False

22
Q

True or False? Photosynthesis breaks down carbohydrates, while cellular respiration produces carbohydrates.

A

False

23
Q

True or False? Photosynthesis requires oxygen, while cellular respiration requires sunlight.

A

False

24
Q

True or False? During cellular respiration, carbohydrate energy is converted into ATP

A

True

25
Q

True or False? During cellular respiration, mitochondria release carbon dioxide.

A

True

26
Q

True or False? During photosynthesis carbon dioxide is used.

A

True

27
Q

True or False? During photosynthesis, oxygen is used.

A

False

28
Q

What are the two sets of reactions for photosynthesis?

A

light reactions, Calvin cycle reactions

29
Q

The substance that initially traps solar energy in photosynthesis is

A

chlorophyll

30
Q

In order to tell the source of particular atoms that take part in a metabolic pathway, sometimes radiolabeled molecules are used. These are molecules in which one atom or element has been replaced with its radioactive isotope. Which molecule would you need to radioactively label in order to produce radioactive oxygen during photosynthesis?

A

water

31
Q

The light reactions could be viewed as analogous to a hydro-electric dam. In that case, the wall of the dam that holds back the water would be analogous to…

A

the thylakoid membrane

32
Q

The light reactions could be viewed as analogous to a hydro-electric dam. In that case, the water stored in the reservoir above the dam would be analogous to…

A

hydrogen ions (protons)

33
Q

Imagine starting from the innermost space of the chloroplast and moving outward until leaving the chloroplast and entering the cytoplasm. What is the starting points an proper order of things you would move through?

A

thylakoid space- thylakoid membrane- stroma- inner membrane- outer membrane

34
Q

The innermost membrane of the chloroplast is referred to as the

A

thylakoid membrane

35
Q

What is the name of the enzyme that fixes carbon dioxide during photosynthesis?

A

RuBP carboxylase

36
Q

True or False? Chloroplasts are green because chlorophyll absorbs green light

A

False

37
Q

Light reactions characteristics

A

light-dependent, thylakoid, water–> oxygen, makes ATP and NADPH

38
Q

Calvin cycle characteristics

A

light-independent, stroma, CO2–>glucose

39
Q

Order of light reactions

A

Photosystem II –> Electron transport chain –> Photosystem I

40
Q

Calvin cycle steps

A

CO2 Fixation, CO2 Reduction, Regeneration of RuBP

41
Q

How many times does the Calvin cycle happen?

A

3 times

BIO Exam 3 (5 decks)

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