chapter 2 (part 3) Flashcards
(30 cards)
A lean adult body is ___% proteins.
12-18
Structural proteins are for ___.
support
Name 2 structural proteins.
Collagen
Elastin
Name a transport protein
Hemoglobin
Regulatory proteins help ____ ____ ___.
coordinate bodily activities
Name 1 regulatory protein.
Insulin
Contractile proteins are for ___.
movement
Name 2 contractile proteins.
Actin
Myosin
Immunological proteins are for ____.
defense
What is an example of immunological proteins?
antibodies
What is an important example of an enzyme?
ATP Synthase
ADP + P = ATP
What are the monomers of a protein?
Amino acids
What are the 4 common features of all amino acids?
alpha carbon
amino group
carboxyl group
hydrogen
What is the name of the bonds between protein monomers?
peptide bonds
The primary structure is the ___ __ ___ ___.
unique amino acid sequence
The secondary structure of proteins is stabilized by ___ ___.
H-bonding
What is an example of secondary structure?
alpha helices and beta sheets
fibrous protein like keratin
Tertiary structures is stabilized by ___.
R group bonding
This level is the unique shape, often irregular.
What is 1 example of tertiary protein structure?
Insulin. It is globular.
Quarternary structure of proteins is made up of ___.
more than 1 polypeptide
Name an example of quaternary protein structure.
Hemoglobin
What causes denaturation in proteins?
drastic changes in pH, temperature, harsh chemical environemnts
What is the monomer of a nucleic acid?
nucleotide
What are the 3 parts of a nucleotide?
Phosphate group
Pentose sugar
Nitrogenous base
