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Photosynthesis flashcards
Science
20
Plant Sciences
Intermediate
11/18/2015

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Term
Glucose
Definition
Near universal food for life; it is large but easy to storage
Term
ATP
Definition
Adenosine triphosphate; small and easy to use.
Term
Photosynthesis
Definition
Process of when a plant creates glucose and oxygen from water and carbon dioxide
Term
Cellular respiration
Definition
When glucose is converted into usable energy by "burning" it.
Term
Laws of Thermodynamics
Definition
1. NRG can't be created or destroyed
2. When NRG transformed, there will be less energy available in the process.
Term
Chloroplast
Definition
Organelle in plant in where photosynthesis takes place.
Term
Autotroph
Definition
Organisms that build own food with sunlight. (producer)
Term
Heterotroph
Definition
Organisms that need to eat or absorb to get energy. (Consumer)
Term
Light-dependent reactions
Definition
Stage of photosynthesis that converts light NRG to ATP and NADPH.
Term
Light-independent reactions (Calvin cycle)
Definition
Stage of photosynthesis that converts NRG from components and CO2 to glucose. (does not need light)
Term
Mesophyll
Definition
One of main tissues of a leaf. Makes up most of leaf's interior. Where photosynthesis occurs (mainly cells with chloroplasts).
Term
Epidermis
Definition
One of main tissues of a leaf. Outermost cellular later which covers the whole plant structure.
Term
Veins
Definition
One of main tissues of a leaf. Made primarily of xylem and phloem.
Term
Phloem
Definition
Carries dissolved sugar and necessary nutrients from leaves to other cells throughout the plant.
Term
Stomata
Definition
Inside epidermis; controls transpiration and gas exchange with air.
Term
Transpiration
Definition
When a plant absorbs water in its roots.
Term
Guard Cells
Definition
Controls stomata that swell or shrink by taking in or losing water.
Term
Osmosis
Definition
Diffusion of fluid through a semipermeable membrane.
Term
Xylem
Definition
Transports water and minerals from roots to the cells of leaves.
Term
Photosynthesis
Definition
Process of converting light energy to chemical energy and storing it in the bonds of sugar.
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