The specific compound that is capable of receiving light energy as the first step in sensory transduction is
A. retinal.
B. rhodopsin.
C. cone opsin.
D. vitamin A.
E. melanin.
A. retinal.
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According to Figure 13.8, which one of the following accurately lists the taxonomic groups in order of increasing genome size (i.e., from smallest to largest)?
A. salamanders, mammals, teleosts, bacteria B. teleosts, bacteria, salamanders, mammals C. bacteria, teleosts, salamanders, mammals D. bacteria, teleosts, mammals, salamanders E. None of the answer options is correct.
When does lactase production begin to decline in humans?
a. Age 55 b. Age 5 c. Age 25 d. Never e. Age 46
Explain the importance of information transfer in living systems. Include three specific examples. What will be an ideal response?
The methylene blue reductase test is not specific for coliforms.
A) True B) False