Chemistry of Life Review Worksheet | Part II. Directions: Answer the following questions the BEST you can without any help. After you have ... Enzymes...
Chemistry of Life Review Worksheet | Part II Directions: Answer the following questions the BEST you can without any help. After you have finished, notice what you don’t know and make note of this by highlighting the question. Now use notes, etc to finish. Proteins 1.
Fill in the table for proteins: Monomer
Polymer
Function
2.
How many different amino acids are used to build proteins in organisms? _____________________________
3. Fill in the blanks: The ___________________________of amino acids determines the type of protein made. Even one incorrect amino acid placement can change a protein’s _________________ & ________________. 4.
What is the molecule pictured below? _________________________
5.
Label the molecule’s parts (a – c).
6.
Circle the group on the structure (pictured below) that is different for every one of these molecules.
7. What is another term for protein? ____________________ 8.
What specific type of bonds form between amino acids? _______________________________
9. On the molecules pictured below, CIRCLE one complete amino acid and DRAW 2 arrows showing where the bonds between amino acids would form:
Enzymes and Chemical Reactions 10. Define enzyme: ___________________________________________________________________________ 11. What is another term for an enzyme? _________________________________________________________ 12. Why are enzymes important? a. ___________________________________________________________________________________ b. Give two examples to support your answer in #12: i. _____________________________________________________________________________ ii. _____________________________________________________________________________ 13. What are the 3 MAIN characteristics of enzymes? Characteristics of Enzymes
Examples/Explanation
14. What specifically causes enzymes to no longer work? _____________________________________________ ____________________________________________________________________________________________ 15. Match the following words with the proper definition:
______ Chemical Reactions ______ Reactants ______ Products ______ Equilibrium ______ Activation Energy
a. The amount of energy that is needed for a chemical reaction to start. b. When a reaction takes place at an equal rate in both directions. c. Change substances into different substances by breaking and forming bonds. d. The substances changed during a chemical reaction. e. The substances made by the chemical reaction.
16. The enzyme depicted in the graph (below), functions best at which temperature? ___________________ 17. Describe what is happening in the following graph: ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________
18. Label the letters (a – c) on the pictures below. 19. Put the pictures of the chemical reaction in order by placing a 1, 2, or 3 in the box above the picture. 20. Describe what is happening in the boxes below the picture:
