(a)
Interpretation:
The weight of the hemoglobin contained in an average red cell is to be stated.
Concept introduction:
Proteins are the
(b)
Interpretation:
The total number of hemoglobin molecules present in an average red cell is to be stated.
Concept introduction:
Proteins are the biomolecules which are composed of the long chain of amino acid residues. The protein which contains oxygen and is present in the red blood cells in the body is known as hemoglobin. It contains iron as well.
(c)
Interpretation:
Whether the hemoglobin concentration in the red cells can be much higher than the observed value or not is to be stated.
Concept introduction:
Proteins are the biomolecules which are composed of the long chain of amino acid residues. The protein which contains oxygen and is present in the red blood cells in the body is known as hemoglobin. It contains iron as well.
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Chapter 7 Solutions
BIOCHEM-ACHIEVE(FIRST DAY DISCOUNTED)
- You happen to pass a bar. Distracted by your entrance into the bar, one of the humans inadvertently drank a beverage containing 80 ml methanol. Unfortunately, no medical personnel are on the station, and you do not have access to sickbay. Assume that methanol and ethanol have densities of 0.79 g/ml, and that the alcohols distribute themselves rapidly over the total volume of 73 liters of body fluids of your host. A quick check of the biochemistry textbook that you always carry with you when traversing the promenade reveals that the Km of alcohol dehydrogenase for ethanol is 1 mM and for methanol the Km is 10 mM, and reminds you that alcohol dehydrogenase converts ethanol into acetaldehyde (which can then be converted to acetyl-CoA). Alcohol dehydrogenase also converts methanol into formaldehyde, which is quite toxic to humans. Ingesting 80 ml of methanol will permanently harm the human unless you intervene.b. Someone has a single 600 ml bottle of Romulan ale (52% ethanol), which he is…arrow_forwardVive la différence. On average, estimate how many base differences there are between two human beings.arrow_forwardOn the trail of carbons. Tissue culture cells were incubated with glutamine labeled with 15NN in the amide group. Subsequently, IMP was isolated and found to contain some 15N.N. Which atoms in IMP were labeled?arrow_forward
- Substituent effects. What is the pHPpH of a 0.1 M0.1 M solution of chloroacetic acid (CICH2 COOH, pKa=2.86)? (CICH, COOH, pK, = 2.86) ? doarrow_forwardPredict the number of bands and apparent mol. wt. of the following proteins on SDS gels. 1. Immunoglobulin G in a reducing gel (β-mercaptoethanol added in the sample solution) – the light chains have a molecular weight of 25,000 Da and the heavy chains 50,000 Da.arrow_forwardAnser in your own words. a. During pregnancy, do mother and child share the same blood? What if they have different blood types? b. If a patient takes a large dose of a drug that blocks calcium channels, what happens to the heart? c. The enzymes of the digestive system are classified as hydrolases. What does this mean? d. Explain in a scientific but simple manner the idiomatic expression “butterflies in my stomach”.arrow_forward
- Ions in the human body. What will happen to our body if there is an imbalance of any ions or certain trace ions in the body? Explain well.arrow_forwardBohr for me, not for thee. Does myoglobin exhibit a Bohr effect? Why or why not?arrow_forwardPredict the number of bands and apparent mol. wt. of the following proteins on SDS gels. 1. A trimeric protein containing three chains, each with a molecular weight of 60,000 Da (60 kDa).arrow_forward
- Troubleshooting gels. What effect will be observed on the stained bands of protein in apolyacrylamide gel if…a. …the samples are not incubated at 95˚C prior to loading?b. …the gel is run at too high or too low a voltage?c. …too much protein is loaded?arrow_forward2. Subunit Composition of a Protein. A protein has a molecular mass of 400 kDa when measured by size-exclusion chromatography ( F). When subjected to gel electrophoresis in the presence of sodium dodecyl sulfate (SDS), the protein gives three bands with molecular masses of 180, 160, and 60 kDa. When electrophoresis is carried out in the presence of SDS and dithiothreitol (=), three bands are again formed, this time with molecular masses of 160, 90, and 60 kDa. Determine the subunit composition of the protein. Note: dithiothreitol is a reagent to beak down the disulfide bonds.arrow_forwardPeptide mass determination. You have isolated a proteinfrom the bacterium E. coli and seek to confirm its identityby trypsin digestion and mass spectrometry. Determinationof the masses of several peptide fragments has enabled youto deduce the identity of the protein. However, there is adiscrepancy with one of the peptide fragments, whichyou believe should have the sequence MLNSFK and an(M 1 H)1 value of 739.38. In your experiments, yourepeat edly obtain an (M 1 H)1 value of 767.38. What isthe cause of this discrepancy and what does it tell youabout the region of the protein from which this peptide isderived?arrow_forward
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