Identify the site indicated by the arrow in the diagram
a. complement binding site of an antibody
b. antigen binding site of an antibody
c. MHC binding site of an antigen
d. complement binding site of T cell receptor
e. MHC binding site of a T cell receptor
ANSWER: b
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A test offered on the Web by a direct-to-consumer genetic testing company genotypes a gene for ability to taste bitter substances. This test is not regulated by the Clinical Laboratory Improvement Amendments (CLIA) because
A) the test is not expensive. B) the test provides information, not a diagnosis. C) the test is offered in a state of the U.S. not covered by these regulations. D) the Genetic Information Nondiscrimination Act outlawed CLIA. E) it is not accurate.
The ______ body is used to package and ship
components to other organelles and out of the cytoplasm. Fill in the blank(s) with the appropriate word(s).
During the evolution of development in animals, it is found that many regulatory genes have been co-opted for the development of different structures, such as limbs or digits. This is an example of what current area of research?
What will be an ideal response?
What is CFTR/CFTR-DF508?
A) the dominant allele that causes cystic fibrosis B) the recessive allele that causes cystic fibrosis C) the homozygous genotype of a cystic fibrosis victim D) the heterozygous genotype of a carrier of cystic fibrosis