It is presently believed that the asymmetric distribution of substances in the egg, positioned by the mother, is responsible for establishing the determined state. Which general term describes such molecular positioning?
What will be an ideal response?
maternally constructed molecular gradients
You might also like to view...
Autotrophy has been observed among the ________.
A. cyanobacteria B. extreme thermophiles C. methanogens D. All of the choices are correct.
The mutant huntingtin protein that results in Huntington disease
A. causes a decrease in production of another protein. B. leads to degeneration of cells in the brain's striatum. C. is toxic to brain cells. D. leads to degeneration of cells in the brain's striatum and is toxic to brain cells only. E. has all of these traits.
Fred Griffith's experiment, in which he used two strains of Streptococcus pneumoniae, demonstrated that _____.
A. pathogenic bacteria function differently in mice than in other organisms B. harmless bacteria can become transformed into disease-causing bacteria by a bacteria transformation factor C. pure DNA extracted from disease-causing bacteria transformed harmless strains into killer strains D. dead cells lose their genetic information E. DNA is a protein rich in nitrogen and phosphorus
Which of the following microorganisms associated with food poisoning thrives in cold storage?
A) Salmonella spp. B) Shigella spp. C) Clostridium botulinum D) Escherichia coli E) Listeria monocytogenes