Chapter 3 Flashcards
(12 cards)
___________ are misfolded proteins, which are believed to be the cause of ____________ disease.
Prions, Mad Cow Disease
Proteins are composed of ________________ of which there are _____.
Amino acids, 20
Peptide bonds are only found between __________________.
Amino acids
What is the function of phospholipids?
Forming cell membranes and/or creating phospholipid bilayer
___________ contain 2 or more carbons, are large and complex molecules while _____________ are small and simple compounds.
Marcomolecules, micromolecules
Inside a water molecule: _____________ bond.
Between water molecules:___________ bonds.
Covalent, Hydrogen
_____________ create bonds in chemical reactions and ________________ break bonds in chemical reactions.
Enzymes/Catalysts
or
Energy/Energy
These are relatively weak bonds (easily formed and broken) that are very important in living organisms
They form between an atom with a partial negative charge and a hydrogen atom that is covalently bonded to oxygen or nitrogen.
Hydrogen bond
What are some of the functions of proteins?
Structure, support, signaling, storage, transport, defense
Primary structure.
Linear sequence, similar to chain.
Secondary structure.
Alpha/Beta pleated, spirals pleats.
Tertiary structure.
3D structure.