Characteristics of good antigens include all of the following EXCEPT ______.
A. large, repetitive molecules
B. exotoxins
C. whole cells
D. viruses
A. large, repetitive molecules
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Spring has sprung and so has your garden. Cleaning out the beds in preparation can be tiring but rewarding. The day after doing so, you realize you received an extra reward this year because your skin is covered in itchy, red, swollen blisters. Poison ivy is characterized as which of the following?
a. immediate hypersensitivity b. immunodeficiency c. delayed hypersensitivity d. autoimmune reaction
If 0.04% (0.0004) of the people in a population has sickle cell anemia, the percent of heterozygotes in the population
must be _____________________ percent. Fill in the blank(s) with the appropriate word(s).
According to scientific evidence, what is the best prevention method known for reducing the chance of contracting a common cold?
What will be an ideal response?
What type of joint is found where the humerus joins the shoulder blade?
A. ball and socket B. hinge C. pivot D. saddle E. none of the above