In considering the function of heat shock proteins, why is it not a surprise that these proteins are both highly conserved and very ancient? Provide your reasoning
What will be an ideal response?
Answer: Answers will vary, but one idea is for an organism to survive in the environment, it must be able to survive unfavorable conditions. Recognizing that heat shock proteins generally facilitate the refolding or removal of misfolded proteins, whether it be from heat or other conditions, it makes sense these are so critical for a cell to survive that they would have needed to be present even in ancient organisms to survive. Additionally, whether a protein is misfolded in a eukaryote or a prokaryote, it seems likely a heat shock protein to refold it could be the same and therefore might explain its high conservation throughout all life forms.
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A. Rotavirus B. Adenovirus C. HIV D. Polio virus E. Influenza virus
Germ layers are
A. layers infected with bacteria. B. embryonic layers with different developmental potentials. C. layers of cells surrounding the egg prior to fertilization. D. colonial protists arranged in layers. E. layers of gametes.
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A. Photophosphorylation B. Oxidative phosphorylation C. Substrate-level phosphorylation D. Reductive phosphorylation
The secondary immune response ____
a. is slower and weaker than the primary response b. is dependent upon effector cells c. is dependent upon memory cells d. responds only one time to an antigen challenge e. is a major component of the innate immune response