Proteins Flashcards
An example of a contractile protein is actin
True or false
True
The four major groups of amino acids are those that are hydrophobic, uncharged polar, acidic and basic amino acids.
True or false
True
Increased level of alpha fetoprotein
Hepatoma
Increased level of alpha fetoprotein
Spina bifida
Decreased serum albumin
Liver cirrhosis
Single spike in the gamma globulins in electrophoresis
Monoclonal gammopathy
Absence of albumin peak in electrophoresis
Analbuminemia
Decreased serum albumin
Renal impairment
Increased level of alpha fetoprotein
Twins
______ is the other name for the protein fraction transferrin.
Siderophilin
_____ is the protein fraction that travels faster than albumin forward the anode during electrophoresis.
Prealbumin
The protein fraction that rises 10-fold or more in nephritic syndrome is _____.
Alpha 2 macroglobulin
One of the following is NOT a technique used for protein studies
Betherlot
The older methods for determination of protein measures the amount of nitrogen content by the digestion procedure with oxidation with heat and strong sulfuric acid.
True or false
True
The pH or point at which the amino acid assumes a net charge of zero is _______.
Isoelectric point
_______ is the single most abundant protein in the normal plasma.
Albumin
The protein fraction that gives decreased values in autoimmune disease is ______
C3
Collagen and keratin are examples of proteins that give mechanical support.
True or false
True
The protein fraction that is elevated in pregnancy and the use of birth control pills is
Fibrinogen
The minor protein also known as orosomucoid is ______
Alpha 1 acid glycoprotein
The largest non-immunoglobulin protein in the plasma is
Alpha 2 macroglobulin
______ is the amide linkage formed between the carboxyl group of one amino acid and the amino group of another.
Peptide bond
_____ is the transport protein for copper.
Ceruloplasmin
The term used for the absence of albumin in the blood is _____.
Analbuminemia
The principle of salting out is based on one of the following:
When the salt concentration is increased, water molecules are attracted by salt ions which decreases the number of water molecules available to interact with the charged part of the protein.
O-dianisidine is an example of a dye that can be used in the colorimetric method for albumin determination.
False
The method for determination of protein that measures the number of peptide bonds that can react with copper is one of the following
Biuret method
______ is a type of protein that combines with hemoglobin released by lysis of the RBC in order to preserve body iron stores.
Haptoglobin
____ is the most sensitive acute phase reactant
CRP
Protein fraction is used as an index of malnutrition
Prealbumin
Gastric phase
Pepsin
Pancreatic phase
Chymotrypsin
Intestinal phase
Aminopeptidase
Serine is an example of an essential amino acid.
True or false
False
In cases of low albumin levels, the patient exhibits edema because of one of the following reasons.
It regulates osmotic pressure
