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Proteins
Proteins A
25
Chemistry
Undergraduate 1
11/09/2008

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Cards

Term
Waht is the definition of a protein?
Definition
Long chains of amino acids joned by amide bonds (peptide bonds or linkages)
Term
What is an amino acid?
Definition
A compound that contains both an amino group and a carboxyl group
Term
What is a biological macromolecule contining at least 30 to 50 amino acids joined by peptide bonds?
Definition
Protein
Term
With regard to proteins, what contributes to the structure function?
Definition
Collagen and keratin
Term
With regard to proteins, what represents catalysts?
Definition
enzymes
Term
With regard to proteins, what represents movement?
Definition
Myosin and actin
Term
With regard to proteins, what represents transport?
Definition
hemoglobin
Term
With regard to proteins, what are some examples of hormones?
Definition
Insulin, Oxytocin, and human growth hormone
Term
What proteins represent protection functions?
Definition
fibrinogen and antibodies
Term
What proteins represent storage functions?
Definition
casein, albumin, ferrritin
Term
What proteins represent regulation functions?
Definition
lac-represor
Term
What does hemoglobin represent in terms of a function of proteins?
Definition
transport
Term
What does myosin and actin represent in terms of a function of proteins?
Definition
movement
Term
What do enzymes represent in terms of protein function?
Definition
Catalysts
Term
What do collagen and keratin represent in terms of protein function?
Definition
structure
Term
What do insulin, oxytocin, and human growth hormone represent in terms of function?
Definition
Hormones
Term
What do fibrinogen and antibodies represent in terms of a functon of proteins?
Definition
protection
Term
What do casein, albumin and ferritin represent in terms of a function of proteins?
Definition
storage
Term
Waht does lac-repressor represent in terms of a protein function?
Definition
regulation
Term
Which amino acid has the amino group on the carbon adjacent to the carboxyl group?
Definition
Alpha
Term
What is an alpha amino acid?
Definition
an amino acid in which the amino group is onthe carbon adjacent to the carboxyl group
Term
In solution, how do amino acids exist?
Definition
Zwitterion internal salt form
Term
With regard to chirality of amino acids, which are found in nature?
Definition
alpha amino acids with L configuration at the alpha carbon.
Term
Where is the alpha carbon?
Definition
Hooked to the NH3 group, h , r coo- making it the chiral carbon
Term
With the L configuration, what is on the left?
Definition
NH3
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