Selective breeding results from programs designed to modify traits in domesticated species.
Answer the following statement true (T) or false (F)
True
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Localized regions of plasma membranes that contain cholesterol and proteins involved in cell signaling are known as
A) gap junctions. B) arterial plaques. C) cadherin junctions. D) lipid rafts. E) plasmodesmata.
In looking for a gene responsible for albinism in humans, a group of researchers decided that at least one form of this condition was due to a lack of the enzyme tyrosinase
With this decision as a starting point, which of the following series of steps was most feasible? A) Sequence the amino acids of the protein, use rabbits to make an antibody to the protein, purify and fluorescently label the protein, and hybridize the antibody to a cDNA library. B) Sequence the protein, use the code table to figure out the best RNA sequence for it, synthesize the RNA, and use the RNA as a probe in cells from albino individuals. C) Radioactively tag the enzyme and use it as a probe to identify the biochemical reaction in which it functions, work out the metabolic pathway involved, and find cells in albinos that cannot carry out these reactions. D) Sequence the protein, work out the cDNA that codes for it, label the cDNA code, and use a FISH study to localize the gene on a karyotype. E) Sequence the appropriate region from albino and non-albino cells and compare the sequences or do subtractive hybridization to see where there is a deletion.
Immunopathology is defined as
A. the study of immunodeficiencies. B. the study of AIDS. C. the study of immune imbalance, whether hyper- or hypoactivity. D. the study of autoimmune diseases.
The active site of an enzyme is a product of its ________
Fill in the blank(s) with correct word