Myelin around peripheral nerves is made by _____
a. Schwann cells c. sensory neurons
b. motor neurons d. interneurons
C
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A bird in your care has an infection in its air sacs. What do you predict would be the effect of this infection?
A. The bird would be unable to fly as a result of aerodynamic changes in the infected air sacs. B. The bird would be much more vulnerable to toxic gases as the air sacs could no longer be protective. C. Since the air sacs are vestigial, there would be no effect. D. Metabolism and overall activity levels would decline as a result of lower oxygen flow.
In poultry, the genes for rose comb (R) and pea comb (P) produce walnut whenever they occur
together (R__ P__); single-combed individuals have the homozygous condition for both genes (rr pp). (a) Give the F1 and F2 phenotypic results of a cross of a pure-breeding rose comb (RR pp) with a pure-breeding pea comb (rr PP). (b) Give the phenotypic results of a cross of Rr Pp ? rr Pp. (c) Give the phenotypic results of a cross of RR Pp ? rr Pp. (d) Give the phenotypic results of a cross of Rr pp ? rr Pp. (e) Give the phenotypic results of a cross of Rr Pp ? rr pp. What will be an ideal response?
An example of an anabolic reaction is the splitting of a polysaccharide into monosaccharides
__________________ Indicate whether the statement is true or false.
Charles Darwin is credited with creating the binomial nomenclature system of classification.
Answer the following statement true (T) or false (F)