Of the following enzymes associated with the TCA cycle, which of the following enzymes is not under allosteric regulation?
A) isocitrate dehydrogenase
B) ?-ketoglutarate dehydrogenase
C) malate dehydrogenase
D) fumarate hydratase
E) pyruvate dehydrogenase complex
D) fumarate hydratase
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Based on the tree shown above, the presence of complex, multicellular fruiting bodies in Basidiomycete and Ascomycete lineages is an example of:
A. convergent evolution. B. a homologous trait. C. a synapomorphy uniting basidiomycetes and ascomycetes as sister taxa. D. a parsimonious trait. E. an ancestral character state.
The central dogma refers to
A. passage of genetic information from RNA to specific proteins by transcription. B. inheritance of DNA genetically controlled traits from parents to offspring in every organism. C. passage of genetic information from DNA to RNA by translation. D. the similarity of the energy molecule ATP to the nucleotides in DNA. E. the flow of genetic information in cells, from DNA genes to specific proteins.
The large intestine is the longest part of the digestive tract
Indicate whether the statement is true or false
Amplified protein levels of EGFR seen in some tumors may be the result of
a) Multiple copies of the gene in the mutant genome b) Improper transcriptional levels of RNA produced from the gene c) Defects in proper mRNA processing d) Any of the above