Define the term speciation
What will be an ideal response?
the process of splitting a genetically homogeneous population into two or more populations that undergo genetic differentiation and eventual reproductive isolation
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Antibodies
A. can target the immunogen for destruction. B. can bind to an immunogen. C. are part of the nonspecific immune response. D. both can bind to an immunogen and can target the immunogen for destruction. E. both can bind to an immunogen and are part of the nonspecific immune response.
"I bands" in skeletal muscle are composed of
a. discs to which thin filaments are anchored. b. stacked thick filaments along with parts of thin filaments that overlap both ends. c. thin filaments but no thick filaments. d. thick filaments but no thin filaments. e. discs to which thick filaments are anchored.
What group of flowering plants are best suited for marine life?
a. Marshgrasses b. Seagrasses c. Seaweeds d. Mangroves
Which of the following restriction enzyme sites would produce blunt-ended fragments? (The arrow represents the cutting site of the enzyme.)
A. C?CGG B. G?GATCC C. G?AATTC D. CCC?GGG E. A?AGCTT