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Draw and describe the resting state of a Chara cell with respect to:
a) the overall electrical charges that are present across the plasma and vacuolar membranes
b) the relative concentrations of K+, Cl-, and Ca++.
Upon your return to school after a long summer break ,you are anxious to get back to work in the research lab and complete the last experiment needed for your first publication.OOPS.
assume that the Nernst potential (across a neurons plasma membrane) for Mg(2+) is a 100+ mv. Calculate the fold concentration gradient for magnesium and explain in which direction it lies across the membrane (more on the inside or outside of the c..
Recalling a significantly emotional past event or feeling can elicit the same physiological response as the original event.
In rabbits, black hair is dominant to brown at an autosomal locus, while the sex-linked recessive allele "a" is epistratic to black or brown, causing white fur. A white male was bred twice.
There is a hybridization event between two different species with the same chromosome number. The hybrids are sterile. Explain your answer.
Several times, pathogens in foods occur in low numbers and are mixed in with many non-pathogens. What did you learn about in.
In order to perform a fluorescence experiment, you need to seed a 4-well chamber slide with 60,000 cells in each well. To prepare for the cell count, you transferred twenty uL of cell suspension into thirty uL of trypan blue.
One process that is considered very important to the health of coral reef ecosystems (and that may be currently under stress) is their connectedness to surrounding systems.
What would happen to the amount of blood in the ventricles at the end of diastole if diastolic duration becomes very short and what would this do to the pumping efficiency of the heart?
Why are bacteria, rather than say human cells, used as experimental organisms in molecular biology studies?
Normal leg size, characteristic of the Kerry type of cattle, is produced by the homozygous genotype dd. Short-legged Dexter type cattle possess the heterozygous genotype Dd.
Which egg from Ascaris, Clonorchis sinesis and Taenia pisifromis has an operculum(escape hatch for the larva), which egg has a rough surface, and which egg is flattened on one side?
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