Jacob and Monod were intellectually primed to draw the conclusions they did concerning regulation of the lac operon. In part, this was due to their fascination with mechanisms of enzyme regulation. They knew that the activity of some enzymes is regulated
when their reaction product binds to the enzyme, changing its shape and, therefore, its activity. This knowledge allowed them to easily make the intellectual leap to propose _____.
A) the existence of the CAP binding site
B) allosteric regulation of the repressor
C) positive regulation of the lac operon
D) the existence of the operator
E) co-transcribed and co-regulated genes of bacterial operons
Answer: B
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If a tunicate's pharyngeal gill slits were suddenly blocked, the animal would have trouble _____
A) respiring B) feeding C) moving D) respiring and feeding E) feeding and moving
At the end of meiosis II, what is produced?
What will be an ideal response?
Competition among individuals of different species is called
A. intraspecific competition. B. resource competition. C. interspecific competition. D. commensalism. E. basal competition.
If oxygen is present, pyruvate will be converted to acetyl CoA in the mitochondrial matrix.
Answer the following statement true (T) or false (F)