Answer the following questions true (T) or false (F)
1. T cell subclass differentiation allows T cell clones to recognize different epitopes of the same antigen.
2. Both the light and the heavy chains of an antibody are involved with epitope recognition and binding.
3. The humoral immune response can enhance phagocytosis by either direct interaction of antibodies with their antigen, or though antibody activation of the complement cascade.
1. FALSE
2. TRUE
3. TRUE
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If the DNA code for a particular amino acid is AGT, then the anticodon on the tRNA would be _____
A) ACU B) TCA C) UCA D) AGU
In many animals, visual signals are ____, meaning they have become exaggerated and stereotyped over evolutionary
time, forming an easily recognized visual display.
a. tactile b. conditioned c. ritualized d. habituated e. operants
Which sensory modality responds to the broadest range of molecules?
A. TRP channels B. Taste C. Smell D. Vision E. Touch Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about sensory modalities? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Unlike a single-celled organism, the cells of a multicellular organism can
A. migrate or move to new locations. B. replicate their genomes. C. grow larger by taking up nutrients. D. divide into new cells. E. differentiate into specialized cells.