Some common allergens known to cause anaphylactic shock are
a. tree pollen and shellfish.
b. grass pollen and tree pollen.
c. wasp and bee stings and peanuts.
d. walnuts and flower pollen.
e. tomatoes and peppers.
C
You might also like to view...
Stromatolites are
A. layered rocklike structures formed by some cyanobacteria (blue-green algae). B. the earliest known arthropods. C. found only in rocks of Carboniferous age. D. the earliest known arthropods and found only in rocks of Carboniferous age are correct. E. fossilized coral reefs.
Which is not true about the recuperative theory?
What will be an ideal response?
Activation of B lymphocytes produces (antibody-mediated /cell-mediated/innate) immune responses.
Fill in the blank(s) with the appropriate word(s).
The pufferfish, Fugu rubripes, has a genome that is one-tenth the size of mammalian genomes. Which of the following statements is not a possible reason for this size difference?
(a) Intron sequences in Fugu are shorter than those in mammals. (b) Fugu lacks the repetitive DNA found in mammals. (c) The Fugu genome seems to have lost sequences faster than it has gained sequences over evolutionary time. (d) Fugu has lost many genes that are part of gene families.