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chapter 10 bio 149

photosynthesis

QuestionAnswer
WHAT IS PHOTOSYNTHESIS THE PROCESS THAT CONVERTS SOLAR ENERGY INTO CHEMICAL ENERGY
WHAT IS AN AUTOTROPH? THEY SUSTAIN THEMSELVES WITHOUT EATING ANYTHING DERIVED FROM OTHER ORGANISMS. THEY ARE THE PRODUCERS OF THE BIOSPHERE.PLANTS ARE PHOTOAUTOTROPHS.
WHAT ARE HETEROTROPHS? OBTAIN THEIR ORGANIC MATERIAL FORM OTHER ORGANISMS. THEY ARE THE CONSUMERS OF THE BIOSPHERE. ALMOST ALL OF THEM DEPEND ON PHOTOAUTOTROPHS FOR FOOD O2
WHERE DOES THE GREEN COLOR COME FROM? CHLOROPHYLL. THE GREEN PIGMENT WITHIN CHLOROPLASTS
WHAT DRIVES THE SYNTHESIS OF ORGANIC MOLECULES IN THE CHLOROPLAST LIGHT ENERGY ABSORBED BY THE CHLOROPHYLL
WHAT IS THE STOMATA? MICROSCOPIC PORES THAT CO2 ENTERS AND O2 EXITS THE LEAF
WHAT IS THE MESOPHYLL THE INTERIOR TISSUE OF THE LEAF. A TYPICAL MESOPHYLL CELL HAS 30-40 CHLOROPLASTS.
WHERE IS THE CHLOROPHYLL LOCATED? IN THE MEMBRANES OF THYKALOIDS. THEY MAY BE STACKED IN COLUMNS CALLED GRANA.
WHAT IS THE THYKALOID? CONNECTED SACS IN THE CHLOROPLAST
WHAT IS STROMA A DENSE FLUID FOUND IN THE CHLOROPLASTS.
WHAT IS THE SPLITTING OF WATER? THE CHLOROPLASTS SPLIT H2O INTO HYDROGEN AND OXYGEN, INCORPORATING THE ELECTRONS OF HYDROGEN INTO SUGAR MOLECULES.
WHAT ARE THE REACTANTS OF PHOTOSYNTHESIS? CO2 AND H2O
WHAT ARE THE PRODUCTS OF PHOTOSYNTHESIS? SUGAR, H2O , O2
WHAT IS OXIDIZED AND REDUCED IN PHOTOSYNTHESIS? H2O IS OXIDIZED AND CO2 IS REDUCED
WHAT IS THE GENERAL FUNCTION OF THE CALVIN CYCLE? FORMS SUGAR FROM CO2 USING ATP AND NADPH
WHAT ARE THE TWO STAGES OF PHOTOSYNTHESIS? LIGHT REACTIONS AND CALVIN CYCLE
WHAT ARE THE FUNCTIONS OF LIGHT REACTIONS? SPLIT H2O, RELEASE O2, REDUCE NADP TO NADPH, GENERATE ATP FROM ADP BY PHOTO PHOSPHORYLATION.
WHAT IS WAVELENGTH? THE DISTANCE BETWEEN CRESTS OF WAVES. IT DETERMINES THE TYPE OF ELECTROMAGNETIC ENERGY.
WHAT IS THE ELECTROMAGNETIC SPECTRUM? THE ENTIRE RANGE OF ELECTROMAGNETIC ENERGY, OR RADIATION
WHAT IS VISIBLE LIGHT? IT CONSISTS OF WAVELENGTHS THAT PRODUCE COLORS WE CAN SEE.
SHORTER WAVELENGTHS... HIGHER ENERGY
LONGER WAVELENGTHS... LOWER ENERGY
WHY DO LEAVES APPEAR GREEN? CHLOROPHYLL REFLECTS AND TRANSMITS GREEN LIGHT
WHAT DOES A SPECTROPHOTOMETER MEASURE? A PIGMENTS ABILITY TO ABSORB VARIOUS WAVELENGTHS.
WHAT
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