MOLECULES OF LIFE WORKSHEET NAME 1 NAME THE 4

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Molecules of Life Worksheet

Molecules of Life Worksheet NAME:_________

  1. Name the 4 main classes of macromolecules (organic molecules) & tell what 4 elements each contains.

CLASS ELEMENTS

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____________________

____________________

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____________________

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  1. One water bonds to another using ________________ bonds. This is called ____________________(Name of Reaction).

  2. What is the general formula for any carbohydrate? ______________________.


  1. In what 3 forms do carbohydrates exist? ______________________ ,______________________ , ______________________


  1. What are the monomers of carbohydrates called? ______________________


    1. What is their common name? ______________________


  1. Name the 2 most common monosaccharides. ______________________ ,______________________


  1. Define the term isomer:


  1. Give an example of an isomer:


  1. What are double sugars called? _____________________


  1. What is the process called that forms double sugars? ____________________


  1. Describe the process that forms double sugars.


  1. Name a disaccharide. ____________________


  1. Name a polysaccharide found in animals that is used for energy storage .____________________


    1. Name 2 found in plants? ____________________,____________________


  1. What chemical reaction forms large molecules? ____________________


  1. What reaction would be needed to break these molecules? ____________________


  1. What three letter ending to a word indicates that the molecule is a sugar? ____________________


  1. What are the monomers of proteins called? ____________________


  1. The main difference among amino acids is their ____ group.


  1. Differences in R-groups give different proteins different ______________.


  1. What is the effect of temperature on protein shape? ____________________


  1. Many proteins act as ____________________, which speed up chemical processes.


  1. Are lipids polar or non-polar? ____________________


  1. What happens to lipids when they are placed in water? ____________________


  1. If a compound has more bonds, what can it store more of in those bonds? ___________


  1. Most lipids are made of ______________ acids.


    1. Describe their shape.


    1. What functional group is found on the head end of the molecule? ____________


  1. Hydrophilic means water ___________.


    1. Which end of a fatty acid is hydrophilic? ____________________


    1. The non-polar end of a fatty acid is said to be _______________ or "water fearing".


  1. In what type of fatty acid are there only single bonds in the carbon chain? ____________________

  1. What type of bond appears in an unsaturated fatty acid? ____________________


  1. Name the 3 groups of complex lipids. ____________________,____________________,____________________


  1. What type of triglycerides tends to be solids at room temperature?


  1. Which are liquids at room temperature?


  1. What main part of a cell is made of phospholipids? ____________________


  1. Nucleic acids store ____________________for cells!

  2. What are the three parts of a nucleotide? ____________________,____________________,____________________.

  3. What makes a molecule organic?


ELEMENTS & MACROMOLECULES IN ORGANISMS MOST COMMON ELEMENTS
GRAMSMOLESMOLECULESATOMS PRACTICE NAME 1 IF YOU HAVE 788
HYDROGEN BONDING OF WATER MOLECULES—INSTRUCTOR INFORMATION HYDROGEN BONDING OF


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