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Biology 1st quiz

Quiz for Friday January 27

QuestionAnswer
A biological catalysts that facilitate specific chemical reactions Enzyme
The molecule upon which an enzyme acts Subtrates
Region of an enzyme surface to which a specific state of substrates binds Active site
Most enzymes are proteins Made of Amino Acids
Enzymes required by all chemical processes in organisms Respiration, growth, photosynthesis, movement, etc)
Enzymes control the rate of Metabolic in the body Metabolic are chemical reactions
Enzymes lower Activation Energy Activation Energy = energy needed to start a reaction
Enzymes weaken chemical bonds so molecules can be Made or broken down in the body
Enzymes react on SUBSTRATES
Are Enzymes unspecific or specific SPECIFIC
Enzymes are REUSABLE NOT USED UP IN A REACTION
The substrate TEMPORARILY fits into this site during the metabolic reaction ACTIVE SITE
What is like a poison that can BLOCK AN ACTIVE SITE INHIBITORS
INHIBITORS often have what can of ending to the word -ASE
What are SUCRASE, LIPASE, PROTEASES, CATALASE AND AMYLASE INHIBITORS
Sucrose (Table Sugar) SUCRASE
Lipids (fats & oils) LIPASE
Proteins PROTEASES
Breaks down waste H202 made by cells CATALASE
Exists in human saliva breaks down starch (amylose) AMYLASE
Bacteria, protists, fungi, plants, and animals are PRODUCED NATURALLY by ALL organisms
ENZYMES Must have the correct shape to do their jobs GLOBULAR in SHAPE
UNFOLDING an enzyme so its shape changes and it NO LONGER WORKS DENATURATION
A FACTOR that DENTAURE enzymes include: Change in PH (need PH7 neutral to work)
A FACTOR that DENTAURE enzymes include: Extreme temperature changes (require body temperatures to work.
A FACTOR that DENTAURE enzymes include: Excess IONS such as salts
WITHOUT ENYZYMES OUR INTESTINES WOULD TAKE WEEKS TO DIGEST OUR FOOD
WITHOUT ENZYNMES OUR MUSCLES, NERVES, BONES WOULD NOT WORK PROPERLY SOON DEATH WOULD RESULT
1 0F 4 steps for a process of an enzyme working~ An ENZYME and a SUBSTRATE are in the same area
2 0F 4 steps for a process of an enzyme working~ The enzyme grabs onto the substrate with a special area called ACTIVE SITE
2 0F 4 steps (continued) for a process of an enzyme working~ the Enzyme active site changes shape caused or induced by the specific substrate Induced fit
3 0F 4 steps for a process of an enzyme working~ the process occurs where the substrate is changed CATALYSIS
4 0F 4 steps for a process of an enzyme working~ What is released from the enzyme's active site Product (new substance)
Created by: smithcarla
 

 



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