Term
the relationship between the wavelengths of light energy and the energy they contain are |
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Definition
Higher energy in shorter wavelengths. |
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Term
the two major chemicals inputs for photosynthesis are carbon dioxide and |
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Definition
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Term
What are 2 chemical outputs of photosynthesis? |
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Definition
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Term
List the stages from the beginning to the end of the Calvin Cycle. |
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Definition
1. fixation of carbon dioxide 2. reduction of carbon dioxide 3. regeneration of RuBP |
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Term
Pigments are molecules capable of ___ light |
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Definition
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Term
what is the structure where photosynthesis occurs in plant cells? |
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Definition
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Term
most producers synthesize carbohydrates by the process of |
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Definition
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Term
photosynthesis is the process where plants… |
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Definition
Convert solar energy into chemical energy |
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Term
the _____, which are produced by plants, are the only source of energy for most organisms on earth. |
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Definition
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Term
match the compounds to its fate during the light reactions: is oxidized is absorbed is produced is reduced
NADP+ ATP solar energy Water |
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Definition
Water -> is oxidized NADP+ -> is reduced ATP -> is produced Solar energy -> is absorbed |
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Term
what is the nonprotein helper that assists enzymes called? |
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Definition
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Term
during photosynthesis, electrons are received by ______ at the end of electron transport chain pathway |
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Definition
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Term
the two environmental conditions needed by C3 plants are: |
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Definition
Moderate temperature and rainfall. |
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Term
Photosystems I & II consist of... |
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Definition
A pigment complex (containing chlorophyll and carotenoid molecules) And Electron Acceptor |
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Term
Chlorophyll and other pigments absorb _____ energy |
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Definition
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Plants are green because they ____ the green wavelength of light |
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Definition
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Term
the other molecule besides ATP that is produced in the light reaction of photosynthesis is: |
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Definition
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Term
a reaction involving oxidation and reduction at the same time is referred to as a _______ reaction |
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Definition
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Term
the small pores through which CO2 enters the leaf and O2 exits the leaf are called: |
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Definition
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Term
the calvin cycle reactions occur in the _____ of the chloroplasts. |
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Definition
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Term
NADPH supplies the _____ needed to reduce carbon dioxide |
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Definition
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Term
Hot dry weather causes C3 plants to ______ their stomata. |
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Definition
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Term
if a hydrogen atom (e- & H+) is gained by a molecule during a reaction, this is called…. |
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Definition
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Term
the two sources of hydrogen ions in the thylakoid space during photosynthesis are: |
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Definition
Splitting water & NADPH from Photo system 1. |
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Term
the first molecule produced after carbon dioxide enters a C3 plant has ___ carbons |
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Definition
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Term
the two sets of reactions during photosynthesis are the calvin cycle reactions and the ______ reactions |
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Definition
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Term
in a C4 plant the Calvin cycle occurs only in the |
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Definition
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Term
Wheat, rice, and oats are examples of: |
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Definition
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Term
a stack of flattened thylakoid discs is called a ____ |
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Definition
Granum (Grana is the plural form of the world) |
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Term
Which of the following is true about a C4 plant? |
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Definition
An enzyme fixes carbon dioxide into a four carbon compound instead of into a three carbon molecule. |
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Term
the three molecular complexes contained in the thylakoid membrane are: |
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Definition
Photosystems I & II, and the electron transport chain. |
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Term
during carbon dioxide _____, a molecule of RuBP is attached to a molecule of carbon dioxide. |
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Definition
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Term
the 2 outer membranes of the chloroplast enclose a gelatinous matric called the |
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Definition
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Term
Coal is formed from plant bodies that lived very long ago, that is why it is called a _____ fuel |
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Definition
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Term
which of the following is a fluid within a chloroplast that contains enzymes involved in the synthesis of carbohydrates during photosynthesis? |
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Definition
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Term
carbon dioxide fixation occurs when ____ |
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Definition
A molecule of CO2 is joined to RuBP |
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Term
Solar energy can be described by its _____ and its energy content |
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Definition
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Term
When a molecule loses a hydrogen atom (e- + H+), the process is called: |
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Definition
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Term
the two sources of hydrogen ions in the thylakoid space during photosynthesis are: |
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Definition
NADPH from Photosystem 1 and splitting of water. |
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Term
During the Calvin cycle, which takes place in the Stroma, carbon dioxide (Co2) is _____ to a carbohydrate. (G3P) |
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Definition
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Term
the _____ pathway uses different cells for carbon fixation and the Calvin cycle. |
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Definition
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Term
____ molecules of G3P have to be used to reform three molecules of RuBP. |
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Definition
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Term
the primary advantage of the CAM pathway is: |
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Definition
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Term
the passage of electrons along a series of membrane-bound molecules from a higher to lower energy level is called the _____ ______ _______ |
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Definition
ETC – Electron transport chain |
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Term
the electron acceptor in photosystem 1 passes electrons to a ____ molecule. |
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Definition
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Term
c3 plants and c4 plants both have mesophyll cells, but c4 plants also have ___ sheath cells. |
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Definition
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Term
as hydrogen ions diffuse through _____ the energy of their movement leads to the production of _____ |
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Definition
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Term
During hot, dry weather both C3 plants and C4 plants close their stomata, however c4 plants have an advantage over c3 plants. Why? |
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Definition
The RuBisCo in C4 plants is not exposed to enough oxygen. (in moderate weather c3 plants normally have an advantage) |
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Term
the energy to pump hydrogen ions into the thylakoid space is provided by electrons moving down the ____ ___ ___ |
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Definition
ETC - Electron Transport Chain |
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Term
the energy required for the reduction of carbon dioxide during photosynthesis is obtained from molecules of _____ |
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Definition
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Term
the polysaccharide of which plant cell walls are formed is ____ |
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Definition
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Term
the function of “antenna pigments” in the light reaction of photosynthesis is: |
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Definition
To pass energy between pigments to the chlrophyll a reaction center. |
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Term
which of the following lists visible light from the longest to shortest wavelength? |
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Definition
Red, orange, yellow, green, blue, indigo, violet |
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Term
during photosynthesis, when a water molecule is split, the two ______ ions remain in the ____ space. |
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Definition
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Term
When the chlorophyll at the reaction center of photosystem II loses its electrons, these are replaced by electrons from: |
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Definition
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Term
reduction of carbon dioxide is the sequence of reactions that uses ____ and ATP from the light reaction. |
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Definition
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Term
what is the molecule used by plants to make all other molecules? |
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Definition
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Term
a cactus uses a photosynthetic process called _____ photosynthesis |
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Definition
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Term
Which color has the longest visible wavelength? |
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Definition
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Term
CAM plants such as Cacti are adapted to dry climates and only open their ____ at night |
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Definition
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Term
Which term best describes the process by which plants produce food and oxygen using the sun’s energy? |
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Definition
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Term
Plants are green because they contain large amounts of green pigments called chlorophylls. What purpose does chlorophyll serve for plants? |
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Definition
It absorbs energy from the sun. |
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Term
Which term describes animals that feed solely on plants? |
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Definition
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Term
What color wavelengths does chlorophylls absorb the best? |
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Definition
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Term
Does Chlorophyll or Carotenoids reflect green light? |
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Definition
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Term
What causes leaves to appear green? |
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Definition
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Term
What are accessory pigments? |
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Definition
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Term
When are carotenoids most noticeable? |
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Definition
In fall when leaves begin to change colors. |
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Term
what color do carotenoids appear to be? |
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Definition
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Term
What range do carotenoids absorb color in? |
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Definition
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Term
What is the first step in the Calvin cycle? |
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Definition
The fixation of carbon dioxide |
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Term
What else is the Calvin cycle known as? |
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Definition
The light-independent reactions |
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Term
when carbon dioxide undergoes reduction, where is the energy supplied from? |
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Definition
ATP and NADPH from light reactions. |
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Term
The reduction of carbon dioxide produces the carbohydrate ____ |
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Definition
Glyceraldehyde-3-phosphate |
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Term
in the second step of the Calvin cycle, carbon dioxide underdoes _____ |
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Definition
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Term
the Calvin cycle reactions of photosynthesis occur in the ____ of chloroplasts? |
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Definition
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Term
The carbohydrate product that exists the Calvin cycle is ___ |
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Definition
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Term
It takes how many rounds of the Calvin cycle reactions to allow one molecule of G3P to exit before making carbohydrates? |
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Definition
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Term
G3P can be metabolized into _____, which can be combined with fructose to form ______ |
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Definition
Glucose Phosphate; sucrose |
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Term
Glucose phosphate is also the starting point for the complex carbohydrates ____ and cellulose |
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Definition
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Term
Plants that have evolved in hot, dry conditions carry out ….. photosynthesis instead of _______ photosynthesis |
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Definition
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Term
In c4 photosynthesis, the first detachable molecule following carbon dioxide ____ is a molecule composed of ______ carbon atoms. |
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Definition
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Term
in C4 plants, the Calvin cycle occurs only in the ______ cells. |
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Definition
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Term
C4 plants thrive in hot, dry climates where their ______ close, which prevents rubisco from being exposed to oxygen. |
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Definition
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Term
In moderate climates, C3 plants ordinarily have the _____ over C4 plants. |
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Definition
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Term
C3 Photosynthesis is named for: |
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Definition
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Term
C3 Photosynthesis is carried out by many ______ |
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Definition
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Term
C3 photosynthesis process occurs entirely_____ _____ _____ |
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Definition
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Term
C4 photosynthesis pumps…. |
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Definition
A four-carbon molecule into the bundle of sheath cells. |
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Term
A representation of a partitioning in space is…. |
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Definition
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Term
The Calvin cycle occurs in the bundle of sheath cells for ____ photosynthesis |
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Definition
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Term
Photosynthesis that occurs in warm climates… |
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Definition
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Term
Photosynthesis that occurs in hot and dry weather is _____ |
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Definition
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Term
Photosynthesis that is representation of partitioning in time: |
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Definition
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Term
What photosynthesis aids in the conservation of water? |
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Definition
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Term
CAM temporarily stores ______ _____ ______ in the ______ cells. |
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Definition
Four-carbon molecules; mesophyll |
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Term
What can be combined with Glucose Phosphate to from sucrose? |
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Definition
Fructose (it removes the phosphate.) |
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Term
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Definition
The molecule that plants use to transport carbs from one part of the plant to another. |
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Term
What is glucose phosphate the starting point of? |
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Definition
The synthesis of starch and cellulose. |
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Term
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Definition
The storage form of glucose |
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Term
where is most starch stored? Where is the rest stored? |
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Definition
Amyloplasts (plant roots). The rest is stored in chloroplasts. |
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Term
What is cellulose? What does it do and why? |
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Definition
A structural component of a plant cell wall. It serves as fiber in our diets because we are unable to digest it. |
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Definition
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