Generally, antibodies have a:
Fill in the blank(s) with the appropriate word(s)
Answer: variable region that binds to a specific antigenic determinant.
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Migration of a random few individuals from one population to a new area to establish a new population is an example of ____
A. Bottleneck effect B. Mutation C. Founder effect D. Selection
Each of the following are true of enzymes except
A. their action may involve minerals. B. they can be used over and over. C. they may or may not require cofactors. D. they increase the activation energy of a reaction. E. their active site is specific to the substrate.
For most fungi, dead organisms, most often serve as the primary source of carbon.
A) True B) False
What do benign and malignant tumors have in common?
A. Invasion of body tissues B. Abnormally growing cells C. Spreading to distant sites in the body D. Surrounded by normal cells E. Growth of new blood vessels