The following steps are used to produce monoclonal antibodies. What is the fourth step?
A) A B cell is activated to produce antibodies.
B) Culture the hybridoma in a selective medium.
C) Fuse a B cell to a myeloma cell.
D) Isolate antibody-producing B cells.
E) Vaccinate a mouse.
C
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Cancerous growths appear to grow faster than the tissues around them because ____
a. their mitosis rates are higher b. they do not stop dividing even when crowding occurs c. the cancer cells inhibit the reproduction of the surrounding normal cells d. their mitosis rates are higher, and they do not stop dividing even when crowding occurs e. the cells in the tissues around them stop dividing
________ is the use of genes for treating human genetic disorders
A) Genetics B) Genomics C) Pharmacogenomics D) Gene therapy E) Recombinant DNA technology
During photosynthesis, which of the following is the most important molecule in the conversion of light energy from the sun into chemical energy?
a) oxygen b) glucose c) chlorophyll d) water e) carotenoid
Production of asexual spores in ascomycetes often occurs on ____
a. basidia b. conidiophores c. sporangia d. asci e. zygospores