practice questions Flashcards
Prostaglandins can be liberated into the circulating blood by the activity of?
adrenaline
________ may be synthesized in the body by essential amino acids.
non-essential amino acids
In Alzheimer diseased patient the B-pleated cheats had a problem. A drug was given that changed the confirmation to a-helix. This happened by changing in what bonds?
hydrogen bonds
The bond in sucrose
α (1→2)
In enzymatic reactions the competitive inhibitor effects:
Km
A fireman was brought to the hospital, He was suffering from a respiratory problem due to the big amount of CO he has inhaled. How does carbon monoxide affect the oxygen dissociation curve?
It moves it to the left
Glucose and galactose are?
epimers
When a Zinc molecule is bounded to an enzyme it is considered to be?
a cofactor
Which amino acid can donate a methyl group?
methionine
A baby had a problem with his collagen fibers due to alteration of one of the amino acids. This amino acid mostly is?
glycine
A child had scurvy disease that resulted from the deficiency of ascorbic acid. This deficiency will affect which step in the synthesis of collagen?
Hydroxylation of proline to hydroxyproline that aid in stabilizing the structure.
A family has inherited cystic fibrosis disease in the family, they wanted to check if their child had this disease, so they asked his pediatric to do sodium chloride sweat test. Cystic fibrosis is associated with:
transmembrane protein
N-glycosylation is associated with ……,
Asn (asparagine)
O-glycosylation happens with…….
Ser (serine)
A baby has multiple fractures and blue sclera is mostly having problem with which of the following?
type I collagen
