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Chapter 1: Q.26 (page 7)
How does the TH1 response differ from the TH2 response?
The TH1 immune response is proinflammatory, while the TH2 immune response encourages IgE and eosinophilic reactions in atopy and generated anti-inflammatory reactions.
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Which of the following hormones is not produced by the anterior pituitary?
a. oxytocin
b. growth hormone
c. prolactin
d. thyroid-stimulating hormone
A scientist mutates eIF-2 to eliminate its GTP hydrolysis capability. How would this mutated form of eIF-2 alter translation?
a. Initiation factors would not be able to bind to mRNA.
b. The large ribosomal subunit would not be able to interact with mRNA transcripts.
c. tRNAi-Met would not scan mRNA transcripts for the start codon.
d. eIF-2 would not be able to interact with the small ribosomal subunit.
Why is it difficult to identify the cause of many nervous system disorders?
a. The genes associated with the diseases are not known.
b. There are no obvious defects in brain structure.
c. The onset and display of symptoms vary between patients.
d. all of the above
Both of the intravenous solutions administered in medicine, normal saline and lactated Ringer’s solution, are isotonic. Why is this important?
Flame cells are primitive excretory organs found in
________.
a. arthropods
b. annelids
c. mammals
d. flatworms
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