Characteristics of Life
Can something be considered living if it does not satisfy all 6 characteristics?
No
Why are macromolecules considered organic?
They are built around a framework of carbon
What atoms make up carbohydrates
Hint: 3
1 Carbon : 2 Hydrogen : 1 Oxygen
What is the monomer of proteins?
Amino acid
Which macromolecule are enzymes made of
Proteins
Which characteristic? A producer undergoing photosynthesis
Metabolism (ability to obtain and use energy)
What is a monomer?
A single building block that can be connected with others through chemical bonds to build a larger structure
What are 3 or more sugars when bonded together called
Polysaccharide
What determines the difference between amino acids?
The variable R-group (side chain)
What type of reactions require energy?
Synthesis
Which characteristic? Ability to maintain a stable and consistent internal environment
Homeostasis
When 3 or more monomers are bonded together what is the structure called?
Polymer
What is the monomer of carbohydrates?
Monosaccharide
What does the structure of a protein determine?
Its function
What is the molecule that the enzyme acts on?
Substrate
Which characteristic? Organism finding shelter
Responds to environment
4
What is cellulose used for?
Cell wall in plants
What does hydrophobic mean?
Bonus: polar or non-polar
Water-fearing
non-polar side chains
How many times can an enzyme be used?
reusable over and over
a) All organisms are composed of one or more cells
b) All cells arise from pre-existing cells
c) Cells are the smallest unit of structure and function
What are the 6 most biologically important atoms
S.P.O.N.C.H
Sulfur, Phosphorus, Oxygen, Nitrogen, Carbon, Hydrogen
What does lactose cleave into?
Glucose and galactose
How many amino acids are found in proteins?
20
What is it called when an enzyme or protein loses its shape sue to environmental change?
Denatured