What factors promote unloading of oxygen from hemoglobin?
-pH (increased CO2)
1. Acidosis shifts curve to right, affinity of hemoglobin for O2 is lower (Bohr Effect)
2. Alkalosis shifts curve to left, affinity of hemoglobin for O2 is higher.
3. pH can be changed by CO2 - More CO2, more carbonic acid, more O2 delivered by hemoglobin.
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E. coli, a protozoan that ranges from 15 to 25 µm in diameter, can contain up to eight nuclei in mature cysts. How would the karyosome expect to appear on a stained slide?
a. Small, usually compact b. Large, usually compact c. Small, irregularly shaped d. Large, not compact
FGA is one of the STRs that are used to compare DNA between different people. Why is FGA useful for comparing DNA between different people?
A) FGA varies in the number of repeats between different people. B) FGA varies in sequence between different people. C) FGA is only present in some peoples' genomes. D) FGA is present in different places in different peoples' genomes.
How can analysis of mammalian genomes be used to detect and treat human disease? Check all that apply.
_____ The genomes of the mammalian relatives of humans are the best targets for discovering new treatments for human diseases. _____ Comparing the genomes of parasite and host is likely to reveal good drug targets to eliminate the parasite without harming the host. _____ A comparison of mouse and human genomes would help reveal functions for previously unidentified human genes. _____ A comparison of human and mouse genomes would help observe DNA sequences that evolved prior to the evolution of mammals.
Which organism is often isolated in the sputum of patients with cystic fibrosis?
a. Acinetobacter spp. b. B. trematum c. Burkholderia gladioli d. S. maltophilia