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Chapter 10 Biology

Photosynthesis

QuestionAnswer
What's the definition of autotrophic nutrition? sustain themselves without eating anything derived from other organisms
Is autotrophic nutrition considered to be the consumer or the producer of the biosphere? producer
What is a good example of an autotrophic nutrition? plants because they use the energy of sunlight to make oranic molecules from water and crbon dioxide, and sustain themselves without eating anything derived from other organisms
What's the definition of heterotrophic nutrition? obtain their organic material from other organisms.
Is heterotrophic considered to be the consumer or the producer of the biosphere? consumer
What is a good example of heterotrophic nutrition? humans because they depend on photoautotroph for food and oxygen
Where might chloroplasts be found? in cells of the mesophyll, the interior tissue of the leaf
How many chloroplasts does a typical mesophyll have? 30-40
_______ are the major locations of photosynthesis / and why? leaves because they're green in color because of the chlorophyll. It's the green pigment within chloroplasts
Chlorophyll absorbs ______ energy that's converted into the ______ energy. light, chemical
Where might clorophyll be found? it's in the membranes of thylakoids (connected sacs in the chloroplast).
Thylakoids may be stacked in columns called _______. grana
Chloroplasts contain stroma which is a dense _____. fluid
Write the summary equation for photosynthesis. 6CO2 + 12H20 + light energy__C6H1206 + 6CO2
What is the end result in photosynthesis? oxygen and water in a chemical reaction
What are the two stages of photosynthesis? the light reactions (the photo part) nd Calvin cycle (synthesis part)
What happens in the light reaction stage of photosynthesis? in the thylakoids, split water, release O2, produce ATP, and form NADPH
What happens in the Calvin Cycle in photosynthesis stage? sugar is formed from CO2, using ATP and NADPH
What is the first step when you trace the movement of electrons in linear electron flow? a photon hits a pigment and its energy is passed among pigment molecules until it excites P680
What is the second step when you trace the movement of electrons in linear electron flow? An excited electron from P680 is transferred to the primary electron acceptor
What is the last step when you trace the movement o electrons in linear electron flow? 02 is released as a by-product of this reaction
Cyclic electron flow uses only ___ ___ ___ and produces ATP, but not NADPH. photo system 1
What is the primary objective for the cyclic electron flow? to generate a surplus of ATP which satisfies the high demand in thr Calvin cycle, and may protect cells from light-induced damage
Chloroplasts and ___ generate ATP by chemiosmosis, but use different sources of energy mitochondria
Where does the Calvin cycle take place? on the side facing the stroma
What is produced on the side facing the stroma? ATP and NADPH
Where does the citric acid cycle occur in the cell? inside the mitochondria
The chloroplast molecule that absorbs light energy is _____. chlorophyll
What is the function of the NADP+? to pick up free hydrogen ions and electrons to carry them into the cell
A red dress appears red because the red portion of the light that strikes it ____. is reflected
What are the products of respiration? carbon dioxide and water
In order for muscles to contract in your body, you need ____. energy
Ribose, adenine and two phosphate groups combine to make ___. ADP
Why must plants have a constant source of carbon dioxide? it is utilized in the process of photosynthesis to make glucose
At the end of glycolysis, what is the amount of ATP? gain of 2 ATPs
At the end of the electron transport chain, the final electron acceptor is _____. hydrogen
What reation breaks down glucose to release energy? lactic acid fermentation
Created by: RosauraPerez on 2009-02-22



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