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To determine:
The function of the MHC antigens.
Introduction:
Immunity is defined as the presence of different components and mechanisms for defending the organism from infections or attack of other antigens. The immune system has both specific and unspecific type of immunity. MHC belongs to specific type of acquired immunity and are important in deciding histocompatibility and identifying foreign antigens within the system.
To determine:
Why are the genes that encode these antigens so variable?
Introduction:
Immunity is defined as the presence of different components and mechanisms for defending the organism from infections or attack of other antigens. The main function of MHC is to recognize the pathogen released by foreign body, bind with the soluble pathogen and then present it and present it on the surface of the cell so that T-cells could identify it, because T-cell only identifies MHC-antigen complex, and destroys the antigen, the T-cell is incapable of destroying soluble antigen.
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Chapter 22 Solutions
Genetics: A Conceptual Approach
- What is the opening indicated by the pointer? (leaf x.s.) stomate guard cell lenticel intercellular space none of thesearrow_forwardIdentify the indicated tissue? (stem x.s.) parenchyma collenchyma sclerenchyma ○ xylem ○ phloem none of thesearrow_forwardWhere did this structure originate from? (Salix branch root) epidermis cortex endodermis pericycle vascular cylinderarrow_forward
- Identify the indicated tissue. (Tilia stem x.s.) parenchyma collenchyma sclerenchyma xylem phloem none of thesearrow_forwardIdentify the indicated structure. (Cucurbita stem l.s.) pit lenticel stomate tendril none of thesearrow_forwardIdentify the specific cell? (Zebrina leaf peel) vessel element sieve element companion cell tracheid guard cell subsidiary cell none of thesearrow_forward
- What type of cells flank the opening on either side? (leaf x.s.) vessel elements sieve elements companion cells tracheids guard cells none of thesearrow_forwardWhat specific cell is indicated. (Cucurbita stem I.s.) vessel element sieve element O companion cell tracheid guard cell none of thesearrow_forwardWhat specific cell is indicated? (Aristolochia stem x.s.) vessel element sieve element ○ companion cell O O O O O tracheid O guard cell none of thesearrow_forward
- Identify the tissue. parenchyma collenchyma sclerenchyma ○ xylem O phloem O none of thesearrow_forwardPlease answer q3arrow_forwardRespond to the following in a minimum of 175 words: How might CRISPR-Cas 9 be used in research or, eventually, therapeutically in patients? What are some potential ethical issues associated with using this technology? Do the advantages of using this technology outweigh the disadvantages (or vice versa)? Explain your position.arrow_forward
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