Name three methods that pathogens use to subvert their host's immune system
What will be an ideal response?
ANS:
Answers may vary, but could include: down-regulation of the cellular immune response, induction of pro-grammed cell death in uninfected immune cells, and sending of false intercellular signals.
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A fluid-filled blister develops when excessive rubbing of the skin causes the ________ and ________ to separate from each other
A) tight junctions; gap junctions B) epidermis; dermis C) dermis; hypodermis D) melanocytes; keratinocytes E) epidermis; hypodermis
Which of the following statements concerning ATP is FALSE?
a. It is a nucleotide.
b. It stores energy for long periods. c. It is called the energy currency of the cell. d. It contains phosphate groups joined in a series. e. It contains phosphate groups joined by unstable bonds.
Which of the following would be an effective approach to a new cancer therapy?
A. finding a way to stabilize p53 specifically in tumor cells B. preventing nucleotide synthesis in tumor cells C. inactivating the HER2 receptor on tumor cells D. inhibiting growth of new blood vessels with endostatin E. All of the above would help to fight cancer.
Which cells are most important in initiating the production of bicoid protein?
A) posterior portion cells B) neural tube cells C) nurse cells D) limb bud cells