Homework Answers
Answer:- a)major-histocompatibility proteins
The histocompatibility complex gene group gives instructions for production of a group of related proteins known as the human leukocyte antigen (HLA) complex. The HLA complex assist the immune system to differentiate body's own proteins from proteins made by foreign invaders such as viruses and bacteria.
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Which of the following do leukocytes use to determine whether something is foreign to the body...
Please answer 1-5 Which of the following do leukocytes use to determine whether something is foreign...
Please answer 1-5
Which of the following do leukocytes use to determine whether something is foreign to the body or should be destroyed? Select one: a major-histocompatibility proteins O b. antigen O c. antibodies O d. all of the above When crossing a plant that is homozygous dominant for flower color (purple) with a plant that is homozygous recessive for flower color (white), the FI generation is Select one O a homozygous and white Ob homozygous and purple c heterozygous...
2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d....
2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e. none of the above 3 Which of the following cells are lymphocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e. none of the above 4. Why do complement proteins not damage healthy cells normally? a. Complement proteins must be produced by activated leukocytes. b. Complement proteins must be activated by enzymatic cleavage. c. Leukocytes...
1. Which of the following complement activation pathways can be activated by antibodies? a. Lectin activation...
1. Which of the following complement activation pathways can be activated by antibodies? a. Lectin activation pathway b. Classical activation pathway c. Alternate activation pathway d. All of the above can be activated by antibodies. e. None of the above can be activated by antibodies. 2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e, none of the above 3 Which of the following cells are lymphocytes? a. NK...
Multiple Choice Questions 1. The natural, nonspecific resistance of the body to foreign invaders. First line...
Multiple Choice Questions 1. The natural, nonspecific resistance of the body to foreign invaders. First line of defense a. Innate immunity b. Adaptive immunity c. Component immunity d. High immunity 2. How do T cell help the body's immune system? a. Kill by contact b. Synthesize antibodies c. Immobilize antigens via contacting their immunoglobins d. None of the above 3. Adaptive immunity is also called_____________. a. Acquired immunity b. Advanced immunity c. Learned immunity d. Subjective immunity 4. Match the...
Multiple Choice Questions 1. The natural, nonspecific resistance of the body to foreign invaders. First line...
Multiple Choice Questions 1. The natural, nonspecific resistance of the body to foreign invaders. First line of defense a. Innate immunity b. Adaptive immunity c. Component immunity d. High immunity 2. How do T cell help the body's immune system? a. Kill by contact b. Synthesize antibodies c. Immobilize antigens via contacting their immunoglobins d. None of the above 3. Adaptive immunity is also called_____________. a. Acquired immunity b. Advanced immunity c. Learned immunity d. Subjective immunity 4. Match the...
1. Opsonization involves: Select one: a. The binding of an antibody to an epitope on a...
1. Opsonization involves: Select one: a. The binding of an antibody to an epitope on a pathogen b. Rearrangement V and J regions of the light chain locus c. Recombination of different V, D, and J regions of the heavy chain locus d. Expression of MHC Class I proteins on all nucleated cells for recognition of self e. Subtle mutation of the heavy and light chain genes to optimize antibody structure 2. Which of these produces and secretes antibodies in...
20. Defective function of which of the following proteins will result in failed antigen presentation to...
20. Defective function of which of the following proteins will result in failed antigen presentation to CD8 T cells? a. HLA-DM b. TAP c. Cathepsins d. CD1d 21.True or False: An antibody proteolytically cleaved by pepsin yields a fragment with higher avidity to the cognate antigen than an antibody cleaved by papain. a. True b. False 22.The structure recognized by an antibody (that is, the epitope) is the ________ and the regions of the antibody with significant sequence variation are...
Vaccinations require that humans have which type of immune system? innate immune system adaptive immune system...
Vaccinations require that humans have which type of immune system? innate immune system adaptive immune system all of the above 10 points QUESTION 2 Which of the following are examples of antigens? one of a group of proteins found in the blood that leads to the clumping of foreign blood cells proteins embedded in the membranes of T cells foreign molecules that trigger antibody production proteins that trigger the end of the inflammatory response 10 points QUESTION 3...
1. Which one of the following is not a function of proteins dissolved in the plasma?...
1. Which one of the following is not a function of proteins dissolved in the plasma? A. Transporting O2 in the blood. B. Playing roles in blood clotting. C. Promoting reabsorption of fluid into capillaries. D. Contributing to the osmolarity of the blood. E. Serving as antibodies. 2. Which of the following is true about B cell antigen receptors but not T cell antigen receptors? Only B cell antigen receptors… A. have both light and heavy chains. B. contain disulfide...
are these answers correct ? 1 pts Question 1 Bacteria enters the body through a small...
are these answers correct ?
1 pts Question 1 Bacteria enters the body through a small cut in the skin. This will result in stimulating all of the processes listed below, but at different stages of the immune response. Which of the following would occur FIRST? stimulate white blood cells to secrete interleukin (IL-1) make memory T cells stimulate the classical complement pathway O produce gamma interferon Question 2 Select the PAMPS from the list below. Select ALL that apply....
Please answer 1-5
Which of the following do leukocytes use to determine whether something is foreign to the body or should be destroyed? Select one: a major-histocompatibility proteins O b. antigen O c. antibodies O d. all of the above When crossing a plant that is homozygous dominant for flower color (purple) with a plant that is homozygous recessive for flower color (white), the FI generation is Select one O a homozygous and white Ob homozygous and purple c heterozygous...
2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e. none of the above 3 Which of the following cells are lymphocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e. none of the above 4. Why do complement proteins not damage healthy cells normally? a. Complement proteins must be produced by activated leukocytes. b. Complement proteins must be activated by enzymatic cleavage. c. Leukocytes...
1. Which of the following complement activation pathways can be activated by antibodies? a. Lectin activation pathway b. Classical activation pathway c. Alternate activation pathway d. All of the above can be activated by antibodies. e. None of the above can be activated by antibodies. 2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e, none of the above 3 Which of the following cells are lymphocytes? a. NK...
are these answers correct ?
1 pts Question 1 Bacteria enters the body through a small cut in the skin. This will result in stimulating all of the processes listed below, but at different stages of the immune response. Which of the following would occur FIRST? stimulate white blood cells to secrete interleukin (IL-1) make memory T cells stimulate the classical complement pathway O produce gamma interferon Question 2 Select the PAMPS from the list below. Select ALL that apply....
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