Describe the organization of the ?-globin gene in humans
What will be an ideal response?
The ?-group spans more than 30 kb and contains three genes: zeta and two copies of the alpha gene. In addition, two nonfunctional pseudogenes are in the group. Most of the DNA in this region consists of intergenic spacer DNA.
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DNA is replicated during
a. the G1 stage. b. the S stage. c. the G2 stage. d. prophase. e. more than one of these
The gene responsible for Marfan syndrome encodes a protein associated with
A. heart muscle. D. red blood cells. B. connective tissue. E. nervous tissues. C. fat tissue.
The deepest layer of the skin is the stratum corneum
____________________ Indicate whether the statement is true or false.
For amino acids with neutral R groups, at any pH below the pI of the amino acid, the population of amino acids in solution will have:
A) a net negative charge. B) a net positive charge. C) no charged groups. D) no net charge. E) positive and negative charges in equal concentration