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23 Cards in this Set
- Front
- Back
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Which color of the light spectrum has the shortest wave length? |
Violet |
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Which part of the electromagnetic spectrum has the longest waves? |
Radio waves |
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Which color of the light spectrum has the longest wavelength? |
Red |
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Who is Roy G. Biv? |
It is an ancronym for the hues of the rainbow in the order of teh wave lengths. Red Orange Yellow Green BIue Indigo Violet |
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Light is composed of paricles of energy called: |
Photons |
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In addition to chlorophyll, most plants contain accessory photosynthetic pigments such as |
chlorophyll b |
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The enzyme directly responsilble for almost all carbon fixaton on Earth is ____________________. |
Ribulose Bisphosphate (RuBP) or Rubisco |
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The chemical formula C6 H12 O6 represents a ____________molecule. |
Glucose |
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H2O + CO2 (Chlorophyll + Sunlight) C6 H12 O6 + O2 The above equation represents _____________. |
reaction of photosynthesis |
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Carbon dioxide is the source of carbon for autotrophs. Where does it come from? |
from the air which is released into the air by animals, fungi, or bacteria (heterotrophs) |
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What is the correct sequence of wavelengths (beginning with shortest)? |
1. gamma rays 2. x-rays 3. uv rays 4. visible waves 5. infrared waves 6. microwaves 7. tv & radio waves Gx Uv Im T |
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Light behaves not only as waves, but also as particles, which are referred to as: |
photons |
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All living organisms are classified into two general trophic groups. These two groups are: |
autotrophs and heterotrophs |
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The ________of chlorophyll molecule is (are) responsible for absorbing light. |
pigments |
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Chlorophyll consists of a porphyrin rign that contains a single atom of: |
magnesium |
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Cholophyll molecules are attached to thylakoid membranes by: |
hydrocarbon side chain |
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The fluid filled region of a chloroplast is call the _____________. |
stroma |
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A group of thylakoid discs makes up: |
grana |
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The reactions of photosynthesis are divided into these two categories: |
light -dependent reactions carbon-fixaton reactions |
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The reactions that occur in the thylakoid membranes are the __________________reactions. |
Light-dependent reactions |
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Photorespiration in plants requires oxygen. (true or false) |
True |
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Plants that use the CAM carbon fixation pathway fix CO2 at what time of the day? |
Night |
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Define photoautotrophs? |
an organism that obtains energy from light and synthesizes organic compounds from inorganic raw materials; includes plants, algae, and some bacteria |
