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38 Cards in this Set
- Front
- Back
the rate of diffusion is directly related to
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the SA:V
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the lower the SA:V ratio the
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lower the rate of diffusion
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diffusion of materials increases or decreases with a large area
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increases
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diffusion of materials increases or decreases with a small pressure gradient
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decreases
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diffusion of materials increases or decreases with a large distances
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decreases
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in ficks law of diffusion the A in K* A* (P2-P1)/D means what?
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surface area
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what is something that increases A in the human body in Ficks law
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villi, microville
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D in fick's law represents what?
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how thick the area to be passed through is
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the metabolic rate of mamals is indriectly related to size why?
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because the larger the mammal the more heat they lose
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when you place a cell and water on the same plate what happens?
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through osmosis the cell will grow as it takes on water
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what will happen if you add salt to a cell in a petry disk?
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the cell will shrink because the salt will take the water out of it
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what is the relationship between ATP and glucose?
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glucose is used to store energy that upon its break down releases ATP
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pyruvate processing does what and occurs in what?
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it occurs in cellular respiration and it couples acetyl coA to glycolisis
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the stroma is the site of what
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light-independent phase of photosynthesis
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what output of light dependent reaction is used as an input for the light independent reaction in photosynthesis?
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ATP
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what is meant by the term CO2 fixation?
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that CO2 has been bound to an organic molecule
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what are carotenoids
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an organelle found in plant leaves that captures different wavelengths from light than cholorphyll does
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what are the six challenges that organisms faced when moving from water to land?
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obtaining food, gas exchange, structural support, reproduction, senses, water retention and distribution
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why is the root and shoot system almost exclusively unique to land plants
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plants in water can obtain what they need from the water around them
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how did the explosion of land plants effect the atmosphere
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increase of O2 loss of CO2
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how do fish ventrilate their gills?
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the increase the water pressure in their mouth throat and gills sucking the water in and across their gills
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what is it harder for gills to obtain oxgen than lungs
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water has a higher vesocity making it hard to extract the O2 from it than air does
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as blood moves away from the heart blood pressure decreases why?
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the vessels become thinner and smaller, pressure must decrease so as not to bust the vessels
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what are the names of the closed 2 circulatory systems in vertebrates?
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pulmonary and systemic
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what is a closed system (relating to circulation)
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it means that no matter where you start you can eventually get back to that start
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why do humans have two separate circulatory systems
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easier to separate the blood that needs oxygen from those that contains oxygen
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the pulmonary system carries what
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oxygenated blood
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the pulmonary veins enter into what side of the heart
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the left side more specifically the left atrium
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what are the inputs of cellular respiration
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glucose,oxygen, adp and pi
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what are the outputs of cellular respiration
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CO2, H2O, ATP
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what are the inputs of photosynthesis
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CO2, H20, LIGHT
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what are the outputs of photosynethesis
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glucose, oxygen and water
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what is the light dependent part of photosynthesis
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changes light into chemical energy
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what are the inputs of the light dependent part of photosynthesis
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water and light
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what are the outputs of the light dependent part of photosynthesis
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ATP and NADPH and O2
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what are the products of the kalvin cycle
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glucose and other carbs
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what are the inputs of the kalvin cycle
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ATP and NADPH and CO2
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what is the purpose of the light independent phase oh photosynthesis
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change chemicals into carbohydrates
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