Most archaeal mRNAs like those of eukaryotes are spliced.
Answer the following statement true (T) or false (F)
False
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Immunoglobulins and TCRs associate with adaptor molecules that have
A) a C domain. B) immune-based tyrosine-activation motifs (ITAMs). C) pathogen recognition receptors. D) toll-like receptors.
A scientist studying evolution of peppered moths (Biston betularia) in Michigan observed that the percentage of melanic moths increased by around 2% from 1960-1961. Has evolution occurred in this population?
A. No, because melanism wasn't adaptive at that time. B. No, because the frequency of the melanic moths did not change enough to be considered evolution. C. Yes, because the frequency of the melanic moths in the population changed over time. D. Yes, because the frequency of melanic moths decreased.
Which of the following is not an essential component of the eukaryotic initiation stage of translation?
A. 40S ribosome B. eIF2 C. GTP D. N-formylmethionyl-tRNAfMet
In essentially all organisms, the AUG codon codes for:a
the initiation of translation. b. the termination of transcription. c. the termination of chain elongation. d. the amino acid valine. e. a termination tRNA molecule