Both sexual and asexual reproduction methods have their own advantages. In sexual reproduction, the newly formed plant is a combination of genes, giving it an advantage in adapting to changing environments. It can also avoid the transmission of certain diseases, as some genes are dominant and othe...
Why do RNA viruses replicate in cytoplasm? How are RNA and DNA used to make proteins? How does a DNA virus reproduce its host genome? Why do viruses have both RNA and DNA? How does transfer RNA work? How do viruses with double-stranded RNA type III replicate?
This protein appears to play a role in various autoimmune diseases and conditions like arthritis. Enzymes from alkaliphiles are used for making laundry and dishwashing detergents. They are also used for removing hair from animal hides. Another alkaliphile from Yellowstone is used in making paper ...
Life undergoes natural selection, or selective forces in a given environment that allow one type to thrive and reproduce more. As you might recall from biology class, genes are the units that instruct a cell what to do — whether to make your hair color brown or blonde or your eyes green...
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survive in harsh climates, bacteria evolve to withstand the things that threaten them—and these include antibiotics. “Bacteria with an antibiotic resistance gene can survive where nonresistant bacteria do not,” says Buboltz. These survivors then reproduce, and the resistant strain becomes more ...
How do viroids differ from viruses? How do encapsulated bacteria evade the immune system? How does bacteria infect the human body? What is the biological control of plant diseases? How have antibiotic resistant strains of bacteria evolved?
Wars, diseases and famine also reduce the pressure by killing off a portion of the population. In fact, the basis for Thomas Malthus' famous population theories is that human population will inevitably grow beyond the ability of the Earth to sustain it, resulting in self-correcting (and ...
Life undergoes natural selection, or selective forces in a given environment that allow one type to thrive and reproduce more. As you might recall from biology class, genes are the units that instruct a cell what to do — whether to make your hair color brown or blonde or your eyes green...
How common are diseases outbreaks? How did the polio epidemic start? How do endoparasites cause disease? What is the epidemiology of leprosy and what are its virulence factors? How does the rabies virus reproduce? How is adenovirus contracted?