Term
|
Definition
chemical factories powered by the sun |
|
|
Term
sunlight is a type of energy called |
|
Definition
radiation, or electromagnetic energy |
|
|
Term
|
Definition
The site of photosynthesis Found mostly in the interior cells of leaves |
|
|
Term
Inside chloroplasts are membranous sacs called ________, which are suspended in a thick fluid, called ________ . |
|
Definition
|
|
Term
Thylakoids are concentrated in stacks called_________ . |
|
Definition
|
|
Term
The green color of chloroplasts is from ________, a light-absorbing pigment. |
|
Definition
|
|
Term
|
Definition
tiny pores in leaves where carbon dioxide enters and oxygen exits |
|
|
Term
|
Definition
Sunlight provides the energy Electrons are boosted “uphill” and added to carbon dioxide Sugar is produced |
|
|
Term
During photosynthesis, water is split into: |
|
Definition
|
|
Term
___________is transferred along with _______ and added to__________ to produce sugar. |
|
Definition
Hydrogen, electrons, carbon dioxide |
|
|
Term
Oxygen escapes through _________ into the atmosphere. |
|
Definition
|
|
Term
Photosynthesis occurs in two stages: |
|
Definition
light reaction, and the calivn cycle |
|
|
Term
|
Definition
convert solar energy to chemical energy |
|
|
Term
|
Definition
uses the products of the light reactions to make sugar from carbon dioxide |
|
|
Term
|
Definition
Convert solar energy into chemical energy |
|
|
Term
The full range of radiation is called |
|
Definition
the electromagnetic spectrum |
|
|
Term
Chloroplasts contain several pigments: |
|
Definition
Chlorophyll a: Chlorophyll b: |
|
|
Term
|
Definition
Absorbs mostly blue-violet and red light Participates directly in the light reactions |
|
|
Term
|
Definition
Absorbs mostly blue and orange light Participates indirectly in the light reactions |
|
|
Term
|
Definition
Absorb mainly blue-green light Participate indirectly in the light reactions Absorb and dissipate excessive light energy that might damage chlorophyll |
|
|
Term
The colors of fall foliage are due partly to the yellow-orange light reflected from |
|
Definition
|
|
Term
Chlorophyll molecules absorb photons of ________ ______in the pigment gain energy. As the electrons fall back to their ground state, energy is released as _______. |
|
Definition
light energy, electrons, heat or light |
|
|
Term
|
Definition
is a group of chlorophyll and other molecules that function as a light-gathering antenna. |
|
|
Term
Two types of photosystems cooperate in the light reactions: |
|
Definition
The water-splitting photosystem The NADPH-producing photosystem |
|
|
Term
The light reactions are located in the |
|
Definition
|
|
Term
An electron transport chain: |
|
Definition
Connects the two photosystems Releases energy that the chloroplast uses to make ATP |
|
|
Term
|
Definition
Functions like a sugar factory within the stroma of a chloroplast Regenerates the starting material with each turn |
|
|
Term
|
Definition
Use CO2 directly from the air Are very common and widely distributed |
|
|
Term
|
Definition
Close their stomata to save water during hot and dry weather Can still carry out photosynthesis |
|
|
Term
|
Definition
Are adapted to very dry climates Open their stomata only at night to conserve water |
|
|