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WorksheetsPost-test Sec A, Nov. 26, 2020
Total questions: 10
Worksheet time: 5mins
The helical structures of this molecule is stabilized by this type of bonds.
Hydrogen bonds
Hydrophobic bonds
Covalent bonds
Sulfur bonds
How many alpha helices are there in a myoglobin molecule?
4
6
8
10
Fetal hemoglobin disappears how many months after birth?
1-2 months
2-3 months
3-4 months
4-6 months
In what condition favors the oxyhemoglobin in a relaxed form?
low pH
high CO2
low 2,3 BPG
high temperature
In Hemoglobin S, this amino acid replaces glutamine in the 6th position of the beta chain of globin.
valine
tyrosine
tryptophan
pyruvate
What is the shape of hemoglobin's dissociation curve?
(a)
The proteolytic enzyme that degrades fibrin clots is called __________ .
thrombus
plasmin
plasminogen
thrombin
One is not an example of a soluble platelet agonist.
ADP
Serotonin
TXA2
GPCR
What laboratory test measures both the intrinsic and common pathways?
PT
Bleeding Time
APTT
Activated Clotting Time
This anticoagulant inhibits the activated factor X.
Heparin
Dabigatran
Apixaban
Urokinase
