Define sensory adaptation
What will be an ideal response?
Sensory adaptation is when a constant stimulus results in a reduction of the frequency of the action
potentials generated by the afferent neurons.
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Gustation is our sense of
A. taste. B. smell. C. limb position. D. light touch. E. pain.
The use of fat as an energy storage tissue evolved due to
a. a diet that was high in fat. b. the frequent inability to obtain food. c. a diet high in carbohydrates. d. excess food intake. e. the need for insulation.
You are interested in expression of regions of the X chromosome at different times in human fetal development. You hypothesize that large regions of the X chromosomes will be expressed at times when parts of the reproductive organs are developing
What structural and chemical characteristics of the X chromosome might you look at over time to determine when expression of genes on the X chromosome is enhanced or repressed? What will be an ideal response?
All of the following are true of human parvovirus B19, except
A. it may cross the placenta and cause severe damage to the fetus. B. its genome consists of single-stranded DNA. C. this virus can also cause severe disease in puppies. D. this is one of the smallest human viruses. E. it causes a disease known as fifth disease in young children.