Looks at how different pathogens induce or inhibit the death of host cells to increase their own survival chances. Includes examples.
Reviews the various mechanisms employed by pathogens to block the function of the complement system.
A review of how various pathogens express antigens that mimic host antigens as a means of escaping the adaptive immune response. Includes specific examples and the implications for host immunology.
Explain the anatomical and physiological relationship between the parietal pleura and the visceral pleura?
An introduction to B and T lymphocytes, how they develop and how they carry out their function. Appropriate for high school or first year college.
This answer looks at how immunisation works, focusing on the differences between active and passive immunisations, using an example.
This answer introduces prions, their multiple forms and their role in infectious and non-infectious diseases of humans, cows, sheep and deer.
1. The secretion of the bicarbonate component of pancreatic juice is timulated by a. cholecystokinin b. gastrin c. enterocrinin d. secretin e. GIP 2. Calcuate the effective filtration pressure from the following data: Glomerular hydrosstatic pressure = 60 mm Hg Blood colloid osmotic pressure = 28 mm Hg Capsular hydros
How does the respiratory system in humans compare to the respiratory system in a perch and the starfish? Ideas and links are included.
Starting with Phylum Mollusca(Clam, Squid) through the Phylum Annelida (Earthworm) and the Phylum Arthropoda (Grass Hopper/Grayfish) all the way through the Phylum Chordata(Perch) compare the specimens. Respiratory organs: what would the appearance of these be in each speciman. Briefly what would the advances noted from one P
Any help and direction will be much appreciated. 1. choose a city to research. CITY CHOSEN IS MISSOULA MT 2.Evaluate how "livable" your city is. 3. determine livability. 4. Determine, in your opinion, if the city can be considered livable. 5. Justify your opinion based upon the information gathered. 6.For any items t
Which carbohydrate solution (molasses, glucose, or sucrose) would a yeast ferment to the greatest extent? 5ml yeast 5ml Molasses 7.5 ml yeast 2.5 ml Molasses 0 yeast 5ml water 5ml molasses 5ml yeast 5 ml water 5ml yeast 5 ml Glucose 5ml yeast 5
A) Explain what are the differences between H2-Kk and H2-Dd? b) How can you predict if a given protein breakdown product (peptide) can be presented by HLA-A2? Please give an example.
Hi, I need assistance with the following questions. I need references provided so that I can understand the responses. Thanks for your assistance. 1.The immune system is composed of several types of cells whose coordinated, concerted effort is required for screening, identification, and eventual purging of microbial invasion
Please answer the following 20 multiple choice questions. 1) The majority of the refractive power of the eye lies at the level of the A) Lens B) Cornea C) Retina D) Fovea 2) All of the following are specialisations of the fovea EXCEPT A) Absence of blood vessels B) Pus
Please answer the following five multiple choice questions. 1) The only cell that has a axon that leaves the retina is the A) photoreceptor B) bipolar cell C) ganglion cell D) amacrine cell 2) Rods are much more sensitive to light than cones because A) Rods project directly to g
Please answer the following five multiple choice questions. 1) Which cells actually capture the light energy within the eye? A) Retinal pigment epithelial cells B) Photoreceptors C) Bipolar cells D) Ganglion cells All humans have a blind spot in their eye because of the presence of
Should there be a policy that bans all human embryonic and fetal testing and research? A brief debate ensues.
Please explain using examples the differences between adaptation, acclimation, and acclimatization.
Please explain in detail what is meat by VO2 max.
Why is it so difficult for the body to live at high altitudes? Give three ways the body adjusts to higher altitudes. Please discuss one.
Explain why people in Washington State are often affected with Seasonal affective disorder in the winter using general knowledge of circadian rhythms. And, explain how can Seasonal Affected Disorder can be treated.
Complete the paragraph with the correct term listed below (some may be used more than once). The body gains water by absorbing water form the slurry in the lumen of the small intestine and from (1) ______ during condensation reactions. The mammalian body loses water mostly by excretion of (2) ____, evaporation through the
Every time you take a breath, you are (1) _____ the respiratory surfaces of your lungs. Each lung has approximately 300 million tiny thin-walled outpouching air sacs called (2) ____. Inhaled air dead-ends in these (2), each of which is surrounded by a network of pulmonary (3) _______ into which oxygen from air diffuses and is
Matching: Match the following conditions to their correct characteristics. 1. ___ pituitary dwarfism A. affected adults are proportionally similar to average-size people but larger. 2. ___ gigantism B. affected adults are proportionally similar to average-size people but much smaller. 3. ___ diabetes insipidus C. excessive
A. nutrition B. infections C. prescription drug D. alcohol E. cocaine f. cigarette smoke G. anti-acne drugs H. all of the preceding threats 1. About 60-70 percent of newborns of these women have FAS. 2. In the case of rubella, there is a 50 percent chance of some organs won't form properly. 3. In cases of exposure to
Compare & contrast the molecular/biochemical events associated with short-term sensitization and long-term sensitization in Aplysia. How is LTP (both early and late) of the mammalian hippocampus similar to and/or different from sensitizations in Aplysia?
When our professor was teaching this subject she kept refferring to how this correlates to atmospheric pressure. Others in the class and myself asked her to be more specific but, it did not help. Can this be explained a little better, just how does pressure of gases in blood correlate with atmospheric pressure? Can you explai
A post synaptic ionotropic receptor permeant to only one ion is known to be inhibitory (Activation of the receptor generates an APSP) Chloride is able to pass through this ion channel. What would happen if this neuron was suddenly made permeable to Mg ions, would Mg ions flow into or out of the cell? Would the curr
A minature end plate potential (MEPP) is : Which of the following A quantal depolarization that occurs at the specialized region of a muscle fiber (end plate) at a neuromuscular junction. Is produced by the activation of post-synaptic receptors by the ligand acetylcholine (a neurotransmitter) Causes hyperpolarizati