The colinearity rule describes
A. the spatial arrangement of alpha helices in proteins encoded by homeotic genes.
B. the parallel arrangement of homeotic genes between different chromosomes.
C. the correlation between the spatial arrangement of homeotic genes along the chromosome with their expression.
D. the long stretches of DNA between homeotic gene complexes.
E. The correlation between the timing and location of expression of homeotic genes.
Answer: C
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MDMA, the active ingredient in Ecstacy,
a. interferes with the removal of serotonin by transport proteins. b. causes an increased release in the neurotransmitter, dopamine. c. blocks the movement of epinephrine across the synaptic cleft. d. binds to endorphins making them unavailable. e. causes the rapid transport of acetylcholine across the synaptic cleft.
A genetically directed deviation from the average is called
a. an abnormality. b. a disorder. c. a syndrome. d. a carrier. e. a pedigree.
The ideal number of fish to catch to provide the most yield while sustaining fisheries is
A) at K/2. B) at K. C) dN/dt. D) rN(1 - N/K).
Three levels of structure
What will be an ideal response?