Consider a diploid species where n=5. If an individual of this species was found to have 11 chromosomes, it would be categorized as
A. polyploid.
B. aneuploid.
C. trisomic.
D. monosomic.
E. both aneuploid and trisomic.
E. both aneuploid and trisomic.
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The study of antigen-antibody reactions is known as
A) serology. B) immunology. C) toxicology. D) epidemiology.
Answer the following statements true (T) or false (F)
1.A transfusion can provide passive immunity. 2.If an Rh- woman has two babies who are Rh+, her immune response to the second baby would be an example of a secondary immune response. 3.T cells direct humoral immunity while B cells govern cell-mediated immune reactions. 4.Lymph nodes have a crucial role in immunity. 5.Adaptive immune defenses provide a rapid, broad defense against any infectious agent.
The process of molecules moving through water from areas of high concentration to areas of low concentration due to the random motion of molecules is called ________.
Fill in the blank(s) with the appropriate word(s).
All of the following are habitats for extremophiles EXCEPT
A) an acid mine wash. B) the topmost portions of the Atlantic Ocean. C) inside rock. D) a salt-evaporating pond. E) 100°C water.