1 2 pH 3 Vitamins 4 Enzymes 5 Macromolecules.
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Transcript of 1 2 pH 3 Vitamins 4 Enzymes 5 Macromolecules.
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pHpH
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VitaminsVitamins
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EnzymesEnzymes
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MacromolecuMacromoleculesles
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ScientificScientificMethodMethod
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MiscellaneouMiscellaneouss
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To test the To test the amount of acid amount of acid in pond water, in pond water, you would use you would use the ___ scale.the ___ scale.
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pHpH
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0-6 on the pH 0-6 on the pH scale scale
represents represents a(an)____.a(an)____.
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acidacid
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8-14 on the pH 8-14 on the pH scale scale
represents a(n) represents a(n) _____._____.
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basebase
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Hydrogen ions Hydrogen ions are given off are given off by ___, and by ___, and
hydroxide ions hydroxide ions are given off are given off
by ____.by ____.
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Acids, basesAcids, bases
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Explain how Explain how pH changes pH changes
the activity of the activity of enzymes.enzymes.
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Enzymes work Enzymes work at a specific at a specific
pH.pH.
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How do we How do we benefit from benefit from vitamin C?vitamin C?
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It aids in wound It aids in wound healing.healing.
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Which vitamin Which vitamin aids in bone aids in bone
growth?growth?
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Vitamin DVitamin D
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Do vitamins & Do vitamins & minerals help or minerals help or
slow down slow down enzyme enzyme
reactions?reactions?
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They assist in They assist in enzyme enzyme
reactions.reactions.
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Name 2 ways a Name 2 ways a body can get the body can get the required amount required amount
of vitamins?of vitamins?
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Proper eating Proper eating andand
SupplementsSupplements
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Which vitamin is Which vitamin is named after an named after an old cartoon? old cartoon?
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FlinstonesFlinstones
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Name the two Name the two parts of an parts of an
enzyme.enzyme.
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Enzyme and Enzyme and substratesubstrate
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Where do the Where do the substrate and substrate and
enzyme attach?enzyme attach?
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Active siteActive site
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Decreasing the Decreasing the temperature temperature during and during and
enzyme reaction enzyme reaction will _______ the will _______ the
reaction.reaction.
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decreasedecrease
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What is the role What is the role of the enzyme?of the enzyme?
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To speed up a To speed up a chemical chemical reaction.reaction.
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Enzymes such as Enzymes such as amylase can amylase can break down break down
starches into starches into ______ _______.______ _______.
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Simple sugarsSimple sugars
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Which organic Which organic molecule molecule
functions as an functions as an enzyme & enzyme & provides provides
structure?structure?
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ProteinProtein
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Living things are Living things are composed of composed of
BOTH _________ & BOTH _________ & __________ matter.__________ matter.
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Organic & Organic & inorganicinorganic
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Which organic Which organic compound is a compound is a
long term energy long term energy source & makes source & makes up membranes?up membranes?
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lipidslipids
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Mineral salts and Mineral salts and water are water are
inorganic. Why?inorganic. Why?
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They don’t They don’t contain carbon.contain carbon.
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Nucleic acids Nucleic acids carry _____ carry _____
information and information and carbohydrates carbohydrates have subunits have subunits called ______.called ______.
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Genetic Genetic monosaccaridesmonosaccarides
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The ------ variable The ------ variable is the variable is the variable
that changes in that changes in the beginning of the beginning of the experiment.the experiment.
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independentindependent
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What is the What is the purpose of purpose of
repeated trials in repeated trials in an experiment?an experiment?
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Repeating steps Repeating steps gives you a more gives you a more accurate result.accurate result.
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Which axis is Which axis is vertical (up and vertical (up and down) and gets down) and gets
labeled with labeled with dependent dependent variable?variable?
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yy
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While changing the While changing the amount of baking amount of baking soda in 5 different soda in 5 different
test tubes, the test tubes, the balloons diameter balloons diameter
increased each time. increased each time. What is the What is the
dependent variable?dependent variable?
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Diameter of Diameter of balloonballoon
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Give an example Give an example of a control of a control group and group and controlled controlled variables.variables.
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Control group - Control group - Testing group A with Testing group A with
no caffeine. no caffeine. Controlled variables – Controlled variables – same test and time same test and time
for both groupsfor both groups
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Water has an Water has an unequal unequal
distribution of distribution of charges; charges;
therefore it is therefore it is ________.________.
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polarpolar
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To maintain a To maintain a constant internal constant internal
environment.environment.
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homeostasishomeostasis
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Water does not Water does not contain carbon; contain carbon; therefore it is therefore it is
________.________.
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inorganicinorganic
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Which part of the Which part of the plant makes plant makes
glucose?glucose?
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chloroplastschloroplasts
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Why does Why does decreasing the decreasing the temperature temperature
during a enzyme during a enzyme reaction, or reaction, or
changing the pH, changing the pH, decrease the rate decrease the rate
of reaction?of reaction?
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Enzymes only Enzymes only work at a specific work at a specific
pH and pH and temperature.temperature.
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