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Cell Structure/Function: Macromolecules
Transcript of Cell Structure/Function: Macromolecules
The Role of
in Biochemical Processes
Enzymes are a
and essential part of all body systems. They are
constructed by cells
, with each cell making different enzymes
specific to the cell's function
, as well as enzymes common to all or most cells.
A series of chemical reactions is called a biochemical pathway. Enzymes help chemical reactions progress in the body.
Example: Enzyme for sucrose (a) attaches to sucrose (b) stretching the bonds (c) and break the two elements apart (glucose & fructose) to be released on their own (d).
Then, the enzyme is used again.
What are the structures and functions of the four major macromolecules?
what is a Macromolecule?
is a molecule containing a
very large number
of atoms, such as
the 4 major macromolecules: protein, nucleic acid, carbohydrates, and lipids.
how do Monomers relate to macomolecules
A monomer is a single molecule that can be
to other identical molecules to
form a polymer, or macromolecule
A Polymer is made up of
. You can use one or the other and
mean the same thing
compounds that contain
Carbon "bonds" with many things to make
can bond with many elements, including
hydrogen, oxygen, phosphorus, sulfur, and nitrogen
to form the molecules of life.
Organisms are made of...
molecules that consist of
hydrogen, oxygen, phosphorus, sulfur, and nitrogen.
All Living things are a combination of at least one or more of the following Primary Macromolecules....
Macromolecule #1: Carbohydrates
dried fruit, cereals, crackers, cakes, flours, jams, preserves, bread products, potato products....
Structure looks like:
Macromolecule #2: Lipids
milk, cheese, oils, butter, peanut oil
Long term energy storage and Insulation Layer that keeps heat in or out
looks sort of like comb
Macromolecule #3: Proteins
turkey, beans, milk, fish,
cheese, steak, lobster
looks like pearl necklace
Structure - all living things are made by proteins - nose, skin, eyes, etc
Metabolism - speeds up chemical reactions
Macromolecule #4: Nucleic Acids
RNA (Ribonucleic Acid) &
DNA (Deoxyribonucleic Acid)
looks like spiral staircase
Heredity - traits and genes are passed down by our parents