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Question: Explain an experiment that would differentiate between simple diffusion and facilitated diffusion of glucose across the cell membrane of a new strain of bacteria.
Question: Which result would you expect to get if glucose crosses by simple diffusion?
Question: Which result would you expect to get if glucose crosses by facilitated diffusion?
If NAD+ is an electron acceptor that becomes NADH and the NADH then donates a proton to ATPase, should not NADH now become NAD- since it lost it's proton but still has electron?
Phenylketonuria is a severe form of mental retardation caused by a recessive allele. The situation affects about 1 in 25,000 newborn babies.
Estimate how much 1 M NaOH that is needed to adjust the pH of 200 ml of 0.2 M H3PO4 to pH 4.0, 6.82, and 9.0 . The pKa1, pKa2 and pKa3 of H3PO4 are 2.15,
Suppose that you start with neutral lysosomes, how many protons must be transported into each to lower the pH to 5.0 and compute the final pH of a solution made
Think about the trp operon. For each condition below, indicate whether the cell will synthesize the enzymes coded by trpE, trpD, trpC, trpB, and trpA and be able to synthesize trypophan.
With the help of sire directed mutagenesis, hemoglobin has been created in which the proximal histidine residues in both alpha and beta subunits have been replaced by glycine.
A rather tame ltxnsp was recently found on Easter Island through a retired neurophysiologist. He reported the following measurements of ECF and ICF concentrations
As a biologist it is your job to look for plants that have evolved structures with a selective advantage in dry hot conditions. Which of the adaptions would be least likely to meet the objective.
A diagnostic of phlebitis was made. What is Phlebitis and what more serious condition may result if proper healing doesn't occur? What is the treatment for this patient and what will be the likely outcome from this disease.
Using the provided DNA code, derive the correct amino acid sequence. Describe the necessary steps to arrive at the amino acid sequence, and explain each in detail.be sure to list the mRNA sequence.
A transmembrane protein in outer membrane of the nuclear envelope would least likely be found later in which one of the following cellular locations?
He thinks that this move, combined with some increase in advertising, would enhance annual sales by 35 percent. By how much could advertising be increased with profits remaining unchanged.
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