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Photosynthesis
Bio Sem. 1
20
Biology
9th Grade
12/17/2008

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Term
Organisms, such as plants, that make their own food
Definition
Autotrophs
Term
Organisms that cannot make their own food
Definition
Heterotrophs
Term
Mushrooms are a...
Definition
heterotroph
Term
Three parts of an ATP molecule
Definition
Adenine, ribose, phosphate groups
Term
Energy is released from ATP when...
Definition
A phosphate group is removed
Term
Used ATP is not...
Definition
Discarded by the cell as waste
Term
Jan van Helmont concluded that plants...
Definition
Gain most of their mass from water
Term
Which scientists showed that plants need light to grow?
Definition
Priestly and Ingenhousz
Term
Equation for Photosynthesis
Definition
carbon dioxide + water + light energy → glucose + oxygen + water
Term
Most plants appear green because chlorophyll...
Definition
does not absorb green light
Term
What is a granum?
Definition
A stack of thykaloids
Term
What are the products of the light-dependent reactions?
Definition
Oxygen, ATP, NADPH
Term
Calvin Cycle=
Definition
Light independent reaction
Term
Calvin cycle takes place in the...
Definition
Stroma
Term
Product of Calvin cycle
Definition
Glucose, water
Term
If carbon dioxide is completely removed from a plant's environment, what would you expect to happen to the plant's production of high energy sugars?
Definition
No sugars would be produced
Term
What affects the rate of photosynthesis?
Definition
Water, temp, light
Term
Plants that gather the sun's energy with light-absorbing molecules are...
Definition
pigments
Term
Which of the following is not a step in the light-dependent reactions?
Definition
ATP and NADPH are used to produce high energy sugars
Term
How do heterotrophs get their energy from the sun?
Definition
They consume autotrophs that get their energy from the sun, or other heterotrophs that consume autotrophs
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