Individuals with PKU disease are mentally retarded unless tyrosine in the diet is restricted homogentisic acid in the diet is restricted None of these phenylalanine in the diet is restricted TRUE ANSWER : ? YOUR ANSWER : ?
The four subunits of the hemoglobin (Hb) gene represent protein's secondary structure tertiary structure quaternary structure primary structure TRUE ANSWER : ? YOUR ANSWER : ?
Over 50% of common cancers are associated with damage to a protein, p53. This protein is a cyclin is a tumor supressor regulates apoptosis is an oncogene TRUE ANSWER : ? YOUR ANSWER : ?
Marfan's syndrome is thought to be a mutation affecting collagen synthesis hemoglobin synthesis insufficient thyroid production metabolism of homogentisic acid TRUE ANSWER : ? YOUR ANSWER : ?
Sickle cell disease is due to infection with a parasite None of these a mutation in the alpha chain of Hb a mutation in the beta chain of Hb TRUE ANSWER : ? YOUR ANSWER : ?
Signal sequences are part of a protein that transport proteins to other sites within the cell signal the protein synthesis on the ribosomes is ended signal folding of the protein refold proteins in prion-associated diseases TRUE ANSWER : ? YOUR ANSWER : ?
Protein folding is mediated by other proteins called chaperones None of these automatic, mediated by the protein itself mediated by the ribosomes TRUE ANSWER : ? YOUR ANSWER : ?
Metastasis involves ability of cells to dissolve cellular matrix All of these decreased levels of proteins that regulate metalloproteins metalloprotein levels TRUE ANSWER : ? YOUR ANSWER : ?
BRACl, an inherited form of breast cancer, regulates cell division by binding to the protein RAD 51 which repairs DNA damage binding to a DNA sequence binding to the cell outer membrane complexing with cyclins TRUE ANSWER : ? YOUR ANSWER : ?
Cyclins are proteins that regulate passage from one stage of cell division to another regulate apoptosis of damaged cells regulate ability of cells to invade tissue None of these TRUE ANSWER : ? YOUR ANSWER : ?