Transcriptomics is a common approach to infer which metabolic pathways are actively functioning, but which regulation process can MOST significantly complicate or even abolish conclusions from this approach?
A) activity of a catabolite repressor protein on multiple pathways
B) antisense RNA silencing
C) feedback inhibition with allosteric proteins
D) presence of corepressors and inducers which are molecules undetected by transcriptomics
Answer: B
You might also like to view...
What results from the decomposition of neurotransmitter molecules or the reuptake of neurotransmitters from a synaptic cleft?
a. enhancement of synaptic transmission b. end of synaptic transmission c. initiation of synaptic transmission
Who developed the two-part naming system
scientists use today to classify newly found organisms?
a. Charles Darwin b. Carolus Linnaeus c. Aristotle d. Alexander von Humboldt e. Ernst Mayer
Through initial observation, research led by Naud and Hanlon showed that the main adaptation in behavior, that increases reproductive success of a male in the cuttlefish Sepia apama, is
A. None of the answer choices is correct. B. to change color and mimic another female, because the females are solitary and do not allow any males near them. C. an altruistic trade, in which females allow a large male to mate with them in exchange for protection from predators during the vulnerable gestation period. D. guarding the females from subsequent mating attempts by other males. E. the use of the male's arms to sort and mix the eggs and sperm, to ensure successful fertilization before he leaves the female.
Which of the following statements correctly describes the alternation of generations in a plant life cycle?
A) Diploid sporophytes that produce spores by meiosis alternate with haploid gametophytes that produce gametes by mitosis. B) Diploid sporophytes that produce gametes by meiosis alternate with haploid sporophytes that produce gametes by mitosis. C) Diploid gametophytes that produce spores by mitosis alternate with haploid sporophytes that produce gametes by meiosis. D) Diploid gametophytes that produce gametes by meiosis alternate with haploid sporophytes that produce spores by mitosis.