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Movement of chloride ions across the cell membrane from the the outside of nerve cells to the inside has a delta-G of about 1.1 kcal/mol even in the presence of a gradient. Why is the gradient alone not enough to get the ions into the cell? (Think about how delta-G is calculated for movement into a cell.)
a) must also take into consideration other ion concentrationsb) must also take into consideration the membrane potentialc) must also take into consideration the temperatured) must also take into consideration cotransport
Plants may be 10, 20, 30, 40, 50, 60 or 70 cm high where plant high is under polygenic control. A true-breeding plant that is 10 cm is crossed to another true-breeding plant that is 50 cm.
Such examination would be costly and it would be tricky to ensure that all unforseen consequence was examined. Given issues discuss whether you believe society should continue to invest in the use of transgenic organism, justify your position.
Endergonic and Exergonic Reactons, you studied a figure with a comparison of combustion and cell respiration. Do you think it's possible that our bodies sometimes release energy.
Determine what does it mean to be a carrier of a genetic defective characteristic? When might it be important to know if one is a carrier
Bacterial and eukaryotic chromosomes are very compact. Discuss the advantages and disadvantages of having a compact structure.
Describe why people confined to wheelchairs as of paralyzed lower limbs have thin, weak bones in their thighs and legs.
Why is it more important to use fresh cultures in the coagulase test than in a test medium such as milk agar?
Bacteria have three basic recognizable shapes. Name and describe the shapes, discuss differences in the groups physiologically and biologically, and give examples of each type that may be found in your home or work environment.
Think about cells in adult mammals in which Barr bodies are observed. Indicate whether each of the following statements are true or false.
There is a hybridization event between two different species with the same chromosome number. The hybrids are sterile. Explain your answer.
What kind of measure is useful in investigating the epidemics? Enlist the steps you would carry out for detecting or investigating an outbreak.
Action potentials are usually generated at axon hillock and propagated down axon away from the cell body. If you experimentally depolarized an axon to the threshold level at a point halfway down the axon, what would happen.
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