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IB Biology Final Exam with correct answers
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IB Biology Final Exam with correct answers
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IB Biology Final Exam with correctanswers
Independent Variable - .......🔷ANSWERS🔶......✔✔ Set by experimenter, what is going to be
changed
Dependent Variable - .......🔷ANSWERS🔶......✔✔ Measured during the investigation, changes due
to the independent variable
Accuracy - .......🔷ANSWERS🔶......✔✔ how close a measured or derived values is to its true value
Precision - .......🔷ANSWERS🔶......✔✔ Closeness of repeated measurements to each other
Scientific method - .......🔷ANSWERS🔶......✔✔ process of gaining scientific knowledge
Define the steps of the scientific method - .......🔷ANSWERS🔶......✔✔ 1.) problem or asking
question
2.) research: databases/internet
3.) Hypothesis
4.) Experiment
5.) Analyze results
6.) Conclusion
Hypothesis - .......🔷ANSWERS🔶......✔✔ a tentative explanation for an observation, able to be
answered by experimentation
Characteristics of life - .......🔷ANSWERS🔶......✔✔ 1.) Cells
2.) response to a stimulus
, 3.) metabolism
4.) organization
5.) reproduction
6.) change over time (evolution)
7.) homeostasis
8.) growth and repair
Metabolism - .......🔷ANSWERS🔶......✔✔ All of the reactions within all of the cells when molecules
collide with enough energy to cause a reaction
Catabolism - .......🔷ANSWERS🔶......✔✔ enzyme reactions that convert large, complex molecules
into smaller, simpler molecular forms
Anabolism - .......🔷ANSWERS🔶......✔✔ enzyme reactions that convert smaller, simpler molecules
into larger, more complex molecules
peptide bonds - .......🔷ANSWERS🔶......✔✔ covalent bonds that links amino acids
Competitive inhibition - .......🔷ANSWERS🔶......✔✔ a competitive inhibitor molecule competes
directly with the usual substrate for the active site of an enzyme
Non-competitive inhibition - .......🔷ANSWERS🔶......✔✔ involves an inhibitor that does not
compete for the enzyme's active site, but the inhibitor interacts with another site on the enzyme
End-product inhibition - .......🔷ANSWERS🔶......✔✔ prevents the cell from wasting chemical
resources and energy by making more of a substance than it needs
Primary structure of a protein - .......🔷ANSWERS🔶......✔✔ sequence of amino acids which will
determine 3D shape
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