The antigen-binding site of ALL antibodies form by interactions between the variable domains of the heavy and light chains
Indicate whether the statement is true or false.
Answer: TRUE
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What is the main function of DNA helicase in DNA replication?
A. Proofreading the DNA molecule B. Adding complementary DNA bases to the newly forming DNA strand C. Fusing DNA fragments together D. Unzipping the DNA double helix
Transplanting embryonic eye tissue into the back of a developing tadpole will cause a lens to grow on the back of the tadpole. This is an example of
A) metamorphosis. B) cleavage. C) induction. D) programmed cell death. E) gastrulation.
The adaptations of pronghorns
A) to open country could be a disadvantage in a densely forested environment. B) include a reflective coat, an ability to find small pools of water, and chemical defenses against most predators. C) to the open plains and shrub deserts of North America have helped them spread to nearly every continent. D) demonstrate that meeting the demands of local environmental conditions helps organisms extend their ranges to other types of environments.
Once an organism is assigned to a particular taxonomic hierarchy, it is permanent and cannot be revised.
Answer the following statement true (T) or false (F)