Chapter 1, Problem 26CR

Why exposure to radiation is used as a therapy to treat some kind of cancers , explain what is happening to cancer cells

_____________ stem cells are capable of differentiating into nearly all cell types, while _________________ stem cells can only differentiate into a limited number of cell types.

Examples of ________________( a type of work cells utilize) are growing cells, where additional molecules must be synthesized for cells to increase in size or number or both, and existing cellular structures continuously being degraded and replaced.

everything to know about viruses and bacteria

In protein synthesis, DNA transcription records the genetic message, while ribosomal ______________ interprets the message

__________________________________ ____________________________ is the term for phenomena that include a microbe hiding inside an immune cell (!) while making copies of itself, or microbes becoming antibiotic resistant. 2 cell types that secrete perforins are ____________________ & _____________________________ CD4 and CD8 (immature T) cells migrate to the _______________________________ for selection and maturation. If an immature T cell reacts to ____________ ______________________, or it doesn’t recognize the ________________ protein on an APC, the immature T cell is told to die. Otherwise, they become functionally  “ ________________________________________________  but ___________________________” until activated. During activation, there is a secondary exchange of signals between the presenting cell & activated T cells is called ________ -_______________________________. This prevents inappropriate activation of T cells. The important cytokine we discussed that is…

True or False: When cell division gets out of control in a cell, metastasis can spread the cancer to other parts of the body

In your opinion, was it unethical for researchers to take Henrietta Lacks' cells without her permission? Why or why not? Do you think it is unethical that biotech/pharmaceutical companies are currently profitting from Henrietta Lacks' cells? Why or why not?

The genes for retinoblastoma (pRB) and p53, act as  ________ in regulating the cell cycle.     oncogenes        proto-oncogenes     pseudo-oncogenes     tumor enhancer genes     tumor suppressor genes