Photosynthesis: key words

jessica_cochrane
Flashcards by jessica_cochrane, updated more than 1 year ago
jessica_cochrane
Created by jessica_cochrane over 5 years ago
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Description

key words and terms used in photosynthesis

Resource summary

Question Answer
Accuracy the quality or state of being correct or precise
cellulose used for cell walls, starch and glucose are used by the plant to make cellulose
Chlorophyll a chemical reaction is taken place (photosynthesis) and the reaction requires light energy, which is absorbed by a green substance called chlorophyll.
controlled variable quantities that a scientist wants to remain constant, and he must observe them as carefully as the dependent variables. used on x axis
dependent variable a variable whose value depends on that of another. used on y axis
destarch process of eliminating starch stored in a plant for experiments concerning photosynthesis. This is done by leaving the plant(s) in a dark place for a long period of time.
Ethanol Alcohol used in testing a leaf for starch
farmers profit vs cost farmers have had a decrease in profit due to the cost of creating the product e.g. milk
gas exchange the exchange of gas between oxygen and carbon dioxide in the alveolus
glucose sugar used in respiration and photosynthesis
Hydrogen carbonate indicator indicator which shows the movement of oxygen in and out of a plant
Independent variable same as controlled variable, Controlled variables are quantities that a scientist wants to remain constant, and he must observe them as carefully as the dependent variables.
iodine when a leaf is taken out of a beaker containing ethanol, a few drops of iodine should be added to show the presence of starch
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