The fact that approximately 80% of the six codons that encode the amino acid leucine in yeast are UUG is an example of codon bias
Indicate whether the statement is true or false
TRUE
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Convergent evolution
A. explains the morphological similarity yet major genetic differences found between slime molds and fungi. B. refers to two different organisms that develop similar characteristics in adaptation to similar environments. C. explains the structure of lichens. D. refers to the one organism dividing into two. E. explains the morphological similarity yet major genetic differences found between slime molds and fungi AND refers to two different organisms that develop similar characteristics in adaptation to similar environments.
________ is to transcription as ________ are to translation.
A. RNA spliceosome; ribosomes B. RNA polymerase; ribosomes C. RNA polymerase; RNA spliceosomes D. DNA polymerase; RNA polymerase E. DNA polymerase; ribosomes
Worldwide, ____ are often used as pollution-monitoring devices
a. fungal infections b. mycorrhizae c. lichens d. yeast e. mushrooms
The role of CAP in the lac operon is:
a. repression of RNA polymerase binding to the promoter. b. negative control of the lac operon. c. enhancement of RNA polymerase binding to the promoter. d. to inactivate the repressor by binding to its allosteric site. e. the activation of allolactose binding to the repressor protein