Which of the following depicts the correct sequence of protein activity in clot formation?
a. thrombin ? prothrombin ? fibrinogen ? fibrin
b. prothrombin ? thrombin ? fibrinogen ? fibrin
c. prothrombin ? thrombin ? fibrin ? fibrinogen
d. prothrombin ? thrombin ? fibrin
e. prothrombin ? thrombin ? fibrinogen ? erythrocytes
b
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Answer the following statement true (T) or false (F)
Human females are the ________ sex.
A) homozygous B) homogametic C) hemizygous D) heterozygous
Which of the following regarding enzymes is true?
a. Enzymes are lipids. b. Enzymes are carbohydrates. c. Enzymes are proteins. d. Enzyme are nucleic acids.
Cancer is the product of a mutation that
a. brings about stunted growth and severe pain b. causes a translocation in a pair of chromosomes c. changes the structure of hemoglobin in the blood d. causes the uncontrolled growth of cells