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1. There are many challenges that organisms must meet to survive. Describe two challenges and explain how plants and animals are able to meet these challenges. Be specific about structures (anatomy) involved and molecules (physiology) involved.
2. Describe two evolutionary adaptations of vertebrates and how they correlate with function.
The rhythmic contractions of digestive system which pass the food through system are known as ______. The chemical formed by the pancreas which helps to neutralize the contents of intestine is known as ______.
Hypothesize about how you might be able to sort a mixed population of cells into prokaryotes and eukaryotes. Try to be practical, build on your understanding of the differences between the two cell classes.
For about the first 36 hours after a person dies, their skeletal muscles are in a rigid state called rigor mortis because myosin cross-bridges cannot detach from actin. Given what you have learned about muscle contraction physiology, can you expla..
What are P(island) and P(mainland)? Assume very large population sizes, no inbreeding, and the other assumptions of H-W equilibrium in order to determine the allele frequencies. Also assume that p is greater than or equal to q.
How do these ethics influence they way we perceive environmental issues? Why should/ or should not environmental ethics be a part of environmental science?
Give details how those mutations can potentially result in cancer. Make sure you list all references used for information and images.
Cytosolic Ca2+ concentrations typically rise about 50-fold when Ca2+ channels open in the plasma membrane. Assume that 1000 Ca2+ channels open in a cell with a volume of 1000 µm3 and an internal Ca2+ concentration of 100 nM.
A cell biologist cautiously measured the quantity of DNA in grasshopper cells growing in cell culture. Cells examined throughout the G2 phase of the cell cycle contained 200 units of DNA. What would be the quantity of DNA at G1 of the cell cycle in o..
Calculate the physiological standard free energy change for the combined reactions in glycolysis converting 1,3-bisphosphoglycerate to pyruvate.
As the polar ice shirinks with rising global temperatures, brown bears are expanding their range into the historical distribution of their close relative, the polar bear. Could this shift be explained by foraging strategy? If so, how?
A pregnant woman is worried about the chances of her child having hemophilia as both she and her husband have paternal grandfathers with hemophilia.What are the likely genotypes of the couple
About how long is a DN A double helix that is made up of 900 base pairs? Suppose that genes A, B, C, and D are located on the same chromosome.
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