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The lactose permease transporter of E. coli can accumulate lactose inside the cell by transporting lactose in against a concentration gradient, driven by a co-transport process in which the same protein brings protons into the cell from a higher concentration outside to a lower concentration inside.
A. What is the term used to describe the process (a type of active transport) in which one solute is transported against its concentration gradient by co-transport with another solute moving in the favorable direction? _______ active transport
B. If the proton gradient provided a driving force of –10 kJ/mol to support a maximum ?Gt of +10 kJ/mol for the lactose gradient, what would be the maximum lactose gradient (ratio of lactoseinside/lactoseoutside) that the cell could accumulate? Show your calculation.
How dehydration synthesis is responsible for polymerizing long organic chains? How you would calculate the removal of water when joining monomers of carbohydrates, lipids, proteins, and nucleic acids.
A geneticist crosses a plant with blue flowers to a plant with white flowers. The offspring include plants with dark blue flowers (1/4), light blue flowers (1/2),
Describe the relationship between the amount of O2 consumed and time. Why is it necessary to correct the pea readings with the bead readings?
You started with a stock solution and created a series of 4 solutions. Say the concentration of your stock solution is 350 g/L. What is the concentration of each of the solutions you created ?
q1 in superficial venous return of the lower extremity what is the vein on the lateral side?q2. how does the internal
What is the importance of oxygen as relates to the ATP tally? Generally overall the point is that aerobic respiration is far more productive than anaerobic?
You are studying a species of desert-dwelling fish that consists of only 2 populations, each located in a different canyon. Population A is consists of approximately 3000 breeding adults and population B.
For each mutant protein, determine the specific ribonucleotide change that led to its synthesis. The wild-type RNA consists of nine triplets. What is the role of the ninth triplet? For the first eight wild-type triplets, which, if any, can you deter..
utilizing knowledge from your learning and assigned readings respond to the following questions1 what activity during
Dynein is missing from cilia and flagella of the individual with a specific inherited disorder. These individuals have severe respiratory problems, and if males, are sterile. What is the structural relationship between these 2 symptoms.
In 1999, scientists reported that a particular variant of theangiotensin-converting enzyme (ACE) gene was associated withsuperior physical endurance.
compute the change in G value for the reactions
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