The meshwork that forms the fabric of a blood clot mostly consists of
A. fibrinogen.
B. fibrin.
C. thrombin.
D. prothrombin.
E. collagen.
B. fibrin.
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If the activity of the sodium-potassium pump was completely stopped, what would happen to the neuron's membrane potential?
A) immediate loss of resting potential B) immediate loss of action potentials C) slow decrease of resting potential D) no effect
About 10-15% of African Americans in the US are carriers for ____, an autosomal recessive genetic disorder in which
a defective version of the hemoglobin protein is produced. a. Duchenne muscular dystrophy b. phenylketonuria c. achondroplasia d. sickle-cell anemia e. cystic fibrosis
The part of interphase when DNA is copied is the ____
a. G1 phase b. S phase c. G2 phase d. M phase e. R phase
The hormone oxytocin stimulates ____
a. meiosis of oogonia b. ovulation c. implantation of the embryo d. development of the fetal heart e. contraction of uterine muscles during childbirth