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In humans, sickle-cell anemia is an example of co-dominance, when considered at the molecular level. People who are homozygous dominant produce all normal-shaped hemoglobin molecules. Hemoglobin is a protein found in red blood cells that carries oxygen. People who are homozygous recessive produce all abnormally-shaped hemoglobin, which cannot carry oxygen very well. People who are heterozygotes produce some normal and some abnormal hemoglobin. If a person who is homozygous dominant for this allele produces children with someone who is heterozygous, will any of their children produce only abnormal hemoglobin? What percentage of their offspring will be homozygous versus heterozygous?
a mixture containing only agcl and agbr weighs 2.00 g. it isquantitatively reduced to silver metal which weighs 1.30
Gaseous hydrogen Iodideis very soluble in water. A solution od hydroiodic acid is 52.4% HI by weight. Its density is 1.603g/ml. If you had 1.00L of this solution what would its pH be
What pH range will allow the selective precipitation of one of the ions after saturation with H2S?
suppose 321 grams of methylamine (CH3NH2) and 332L of oxygen gas are mixed together in the reaction below at STP. how many grams of water should be prouduced?
A flexible container initially holds 2.0 moles of an ideal gas at 293K and 1.0 atm. The container is compressed isothermally
Consider a liquid with a vapor pressure of 200. torr at 20.0 oC and a vapor pressure of 400. torr at 50.0 oC. What is the closest value to the normal boiling point of this liquid. A. 357 oC B. 295 oC C. 22.0 oC D. 18.2 oC E. 83.8 oC
The engine stops working when the temperature of the hot reservoir has been lowered to TC. Show that the amount of work done by the engine is W = C1(TH-TC) - C1TC ln (TH/TC).
When 150g of water at a temperature of 22.5C is mixed with 65.5g of water of an unknown temperature. The final temperature of the resulting mixture is 47.9C. What is the initial temperature of the second sample
Problem- Certain proteolytic enzymes react in alkaline solutions. One of these enzymes produces 1.8 micromoles of hydrogen ions per second in a 2.50 mL portion of a buffer composed of 0.25M NH3 and 0.20 NH4Cl. By how much will the concentration of..
1. Calculate the grams of Na2CO3 required to prepare 250.0 mL of 0.375 M Na2CO3 solution. 2. The reaction of sodium carbonate with hydrochloric acid produces carbonic acid and sodium chloride.
As the temperature continues to increase, the probabilities temperature continues to increase, the probabilities will reach a limiting value. What is this limiting value?
According to the following cell notation, which species is undergoing reduction? Sn | Sn2+(aq) || Mn2+(aq) | MnO2(s) | Pt(s) a) Mn2+(aq) b) Sn2+(aq) c) Sn(s) d) MnO2(s) e) Pt(s)
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