The long and complex series of events that occurs when a signal binds to the cell surface and is converted from one form to another is called _____.
-signal transduction
-transesterification reaction
-action potential
-signal cross-wiring
signal transduction
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Polyphagous parasites feed on
A. any plant species. B. a single host species. C. many different host species. D. ectoparasites. E. parasitoids.
Hybridization of DNA is _____ and is driven entirely by _____
a. non-spontaneous; ATP b. non-spontaneous; hydrogen bonding c. non-spontaneous; glycolysis d. spontaneous; ATP e. spontaneous; hydrogen bonding
The E4 variation of the APOE gene increases a person’s chances of developing ____
a. cystic fibrosis b. Parkinson’s disease c. Huntington’s disease d. Alzheimer’s disease e. Duchenne’s muscular dystrophy
Figure 25.2
Use the illustration above to answer the questions 4 and 5.
Consider the accompanying figure. Four of the following are true statements about the structure indicated by "D." Which statement is false?
A. It first evolved in arthropods. B. It extends anteriorly into the head region. C. It provides support for muscle contraction. D. It is replaced in most adult vertebrates by the vertebral column. E. It is one of the four exclusive features of chordates.