The final step in the clotting pathway is ____
a. activation of thrombin
b. platelet plug formation
c. vessel spasm
d. conversion of fibrinogen to fibrin
e. activation of factor X
ANSWER: d
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The transforming principle described by Griffith in his work with Streptococcus pneumoniae is ____
a. a polysaccharide capsule b. a phospholipid c. protein d. RNA e. DNA
There are different shuttle systems to get high energy electrons from the NADH in the cytoplasm to
the NADH in the mitochondria. Why is this beneficial?
a. This allows for 100% efficiency in cellular respiration. b. Each step of cellular respiration can happen faster. c. It allows for regulation of ATP production by individual cells. d. It diverts more electrons to ATP synthase to produce more ATP. e. This is actually a detrimental event that the cell must overcome.
This is an example of _____
1.energy, the capacity to do work
2.activation energy supplied by CO2
3.the effect of temperature and pH on a reaction
4.an electron transfer chain
Amino acids are delivered in their appropriate order by
A. mRNAs. B. RNA-induced silencing complexes (RISC). C. ribozymes. D. rRNAs. E. tRNAs.