Tissue factor is a component of
a) intrinsic pathway of blood clotting
b) extrinsic pathway
c) common pathway
d) complement pathway
e) all of the above
Answer: b) extrinsic pathway
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A volcanic eruption carves the island into two populations (A1 and A2, 50,000 individuals each). The rodents cannot cross the lava even when it has cooled
Immediately after the eruption you take 100 individuals from each of populations A1 and A2, and sequence the same 100 base-pair gene region in the mitochondrial DNA (mtDNA) of each individual. You are shown a DNA sequence chosen at random from the total pool of 200 sequences; can you tell which population, A1 or A2, it comes from? A. yes B. no
Meiosis involves 1 or 2 phases?
What will be an ideal response?
The three types of RNA involved in protein synthesis are mRNA, ________, and ________.
What will be an ideal response?
Which organism produces the toxic red tide?
A. foraminifera B. dinoflagellates C. zoomastigotes D. diatoms E. euglenoids