What characteristics of polio virus and infection make it possible that this disease will likely be eradicated? Check all that apply.
A. There is an effective vaccine that prevents polio.
B. Polio virus has no animal reservoirs.
C. There is effective antiviral therapy for polio infection.
Answer:
A. There is an effective vaccine that prevents polio.
B. Polio virus has no animal reservoirs.
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Which morphological feature in lizards, mammals, and birds provides evidence of their descent from a shared
ancestor?
a. ribcages positioned right behind heads in the embryonic stage b. absence of limb buds in embryonic development c. presence of limb buds in embryonic development d. differences in limb structures in adults e. vestigial hindlimbs near the base of the tail in adults
Root epidermal cells passively transport ions inward from the soil because the ions are unable to follow a
concentration gradient into the cells.
a. True b. False
contains its own DNA and ribosomes
A. lysosome B. vacuole C. mitochondrion D. Golgi apparatus E. peroxisome
____ is an example of a plant that produces detachable plantlets in notches along their leaf margins
a. Pineapple b. Kalanchoe c. Chlorophytum d. Pepperomia e. Spathiphyllum