More Flashcards
What are proteins made of
Amino acids
How many amino acids are in living things
20
What is a long chain of amino acids referred to as
Protein
Primary protein structure
A sequence f chains of amino acids
Secondary protein structure
Occurs when the sequence of amino acids are linked by hydrogen bonds
Tertiary protein structure
Occurs when attractions are present between alpha helixs and pleated sheets
Quaternary protein structure
A protein consisting of more than one amino acid chain
Attractions that hold secondary and quaternary structures together
They are week attractions. Attractions include hydrogen bonds, ionic attractions and sullied bridges
What forms do nucleic acids come in
DNA and rna
Importants of antiparallel structure
Allows nitrogenous bases to bind properly
Characteristics of water soluble vitamins
Dissolve in water
Not stores and eliminate in urine
Need continuous supply in diet
Fat soluble vitamin characteristics
Dissolve in fat before absorbed into blood stream to preform function
Excess is stored in liver
Not needed in daily diet
What are enzymes
Large biological catalysts
Accelerate or catalyze chemical reactions thousands to millions of times
What are the molecules modified by enzymes called
Before substrates after product
What can enzymes do?
Join substrates
Split substrates,
move or remove a portion of substrate
Add something to substrate to make a product
