Uncategorized

In contrast to ecosystems that are not harvested (e.g., native forest, grasslands), where in nutrientcycling is generally quite conservative, most agriculturalecosystems are net exporters of nutrients inherent in soil. Consider the following barley production system: — Soilcontains 0.5% “available” Ca in the rooting zone to adepth of 50 cm.—  Soil […]

Karyotypes are used in a clinical situation to determine the presence of certain genetic diseases. Often they are performedusing the amniotic fluid of the pregnant mother. Write a briefparagraph explaining the what, how and why of karyoptypes. Once a set of chromosomes is prepared from a cell, it isrearranged following […]

Discussion: Symbiosis between bacteria and other species. Some bacteria can harm other organisms. However relations between certain bacteria and particular species can be cooperative. That’s our topic for this discussion. Pick one of the following topics and write a primary post of at least 125 words addressing that topic. Also, […]

1. In a concise table/chart compare the significant similarities, differences, cells, functions of the “Innate” and “Adaptive Immune Response.2. Describe the similarities and the differences between B and T-cell antigen receptors.3. What are the MHC molecules and what role(s) do they have in activation of antigen specific cells.4. How is […]