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Bio Exam 2 Study Guide (pt. 1)

Chlorophyll a absorbs which color(s) of light?
Green
Red violet orange
Violet
Red violet green
Red
Plants need which molecules to carry out photosynthesis?
CO2 only
Both CO2 and H2O
O2 only
H2O only
Both CO2 and O2
Where in a plant cell is chlorophyll found?
Inside the mitochondria
In the stroma
. On the outer chloroplast membrane
In the thylakoid membrane
In the plant cell wall
Electrons lost by chlorophyll are replaced by electrons donated from:
Water
Carbon dioxide
NADPH
ATP
Sunlight
. In the cyclic pathway, electrons ejected from photosystem I return to:
Photosystem I
ATP synthase
The stroma
. Tthe outer chloroplast membranes
Photosystem II
The enzyme rubisco attaches CO2 to:
Phosphoglyceraldehyde (PGAL)
Phosphoglycerate (PGA)
Glucose
Oxaloacetate
Ribulose bisphosphate (RuBP)
Which type of plants are best adapted to hot, dry conditions?
C4
C3 and CAM
CAM
C3
C4 and CAM
Four of the five answers listed below are part of the light-independent reactions. Select the exception.
Carbon dioxide
RuBP (ribulose biphosphate)
PGAL (phospoglyceraldehyde)
Water
PGA (phosphoglycerate)
Four of the five answers listed below are processes associated with light-dependent reactions. Select the exception
Photosystem I and II
Photolysis
Electron transport phosphorylation
Carbon fixation
Noncyclic pathways of ATP formation
Light-dependent reactions in plants occur in the ____.
Plasma membrane
Cytoplasm
Thylakoid membrane
Stroma
Stomata
In order to use the energy stored in sugars, cells must first transfer it to ____ that is synthesized during aerobic respiration
Carbon
Oxygen
ATP
NAD+
Carbon dioxide
How many ATP molecules (net yield) are produced per molecule of glucose during glycolysis?
4
2
36
1
38
Glycolysis depends on a continuous supply of:
NADH
Pyruvate
Oxygen
NAD+
H2O
During which phase(s) of aerobic respiration is ATP produced directly by substrate-level phosphorylation?
Acetyl CoA formation only
The Krebs cycle and glycolysis
Glycolysis only
Krebs cycle only
Glycolysis, acetyl CoA formation, and Krebs cycle
Which agent is capable of being chemically reduced during both glycolysis and the Krebs cycle?
NADH
ADP
NAD+
FAD+
NADP+
. When O2 accepts electrons in aerobic respiration, it is converted to ____.
H2O
CO2
O3
OH
CO
NADH transfers electrons to oxygen through which process?
Acetyl CoA formation
The Krebs cycle
Electron transfer phosphorylation
Glycolysis
Substrate-level phosphorylation
What do the final steps of fermentation regenerate?
ADP
NADH
NAD+
Glucose
Electrons
Under anaerobic conditions, muscle cells produce ____.
Pyruvate
Acetaldehyde
Citrate
Lactate
Ethyl alcohol
When fats are broken down as energy sources, their components usually enter ____.
Electron transfer chain
Alcoholic fermentation
Lactate fermentation
Glycolysis and the Krebs cycle
Glycolysis
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