Nonencapsulated strains of Streptococcus pneumoniae are highly virulent
Indicate whether the statement is true or false.
Answer: FALSE
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How is ATP made by an acetogen during CO2 fixation?
A) Electrons from metal cofactors energize the electron transport chain and drive the proton motive force to activate ATP synthase. B) Substrate-level phosphorylation of ADP occurs when coenzyme A is removed from acetyl-CoA. C) It is made by substrate-level phosphorylation and a Na+-translocating ATPase. D) The energized CO-CH3 complex during thioesterification drives a Na+-translocating ATPase.
Although phenotypes may not follow predicted ratios, genotypes do obey the principles of ____________________
Fill in the blank(s) with correct word
Which of the following is the earliest known
reptile with bird-like feathers?
a. Archaeopteryx. b. Confusciusornis sanctus. c. Sinosauropteryx prima. d. Tyrannosaurus rex. e. Picarara liops
Some drugs and toxic compounds interfere with removal of neurotransmitters from the synaptic cleft once they have been released
(1) Explain the two basic mechanisms affected by Sarin nerve gas and the drug Prozac. (2) If you were investigating an autoimmune disease that appeared to interfere with removal of neurotransmitters from the synaptic cleft, and you were able to isolate the causative antibody from the patient's serum, how could you use that antibody to investigate whether it affected one of the two inactivation mechanisms? What will be an ideal response?