The inflammatory response can only be triggered by an infection
Indicate whether the statement is true or false
FALSE
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Histone acetyl transferases exert their effect on gene activity by _____
A) neutralizing positive charges on the lysines of histones B) introducing negative charges on the glutamic acids of histones C) modifying the DNA sequence of the promoter D) increasing the affinity of transcriptional activators for DNA E) increasing the affinity of transcriptional inhibitors for DNA
Trace the flow of raw water through a typical drinking water purification scheme
What will be an ideal response?
Many snake venoms contain an acetylcholinesterase inhibitor. Predict what effect the presence of this toxin would have on muscles
A. There would be no effect. Acetylcholine is the ligand. B. Muscles would be prevented from contracting. C. Muscles would lose their ability to contract due to the loss of membrane potential. D. Muscles would contract uncontrollably.
There is no correlation between genome size and complexity of an organism
A. true B. false