Which of the following statements regarding vaccines as disease preventatives is incorrect?
A. There is currently no smallpox vaccine available to the general public.
B. Immunization is currently not possible against Clostridium perfringens.
C. Zostavax is recommended for older adults to prevent shingles.
D. The Carter Center has promoted the development of a vaccine against river blindness.
Answer: D
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Where does the lens FOCUS an image in the mammalian eye?
a. on the retina, using the entire surface of the retina b. primarily on the fovea c. on the rods only d. slightly in front of the retina, so the neural cells don't distort the image e. it depends on where you are looking; sometimes on the fovea, sometimes elsewhere on the retina
The sum of all chemical reactions occurring in the body is termed
What will be an ideal response?
Tarsiers are in the suborder:a
Tarsiformes b. Anthropoidea c. Prosimii d. Hominoidea e. Pithecinae
You are interested in developing an inhibitor for the estrogen receptor. You have identified a molecule that is small and hydrophilic. In a test tube, this inhibitor binds tightly to the estrogen receptor and inhibits the interaction of the receptor with estrogen. Do you think that this molecule will be an effective inhibitor of the estrogen receptor in cells?
A. Yes, because it is small. B. No, because it will need to bind to the DNA-binding domain to act as an inhibitor. C. No, because it is hydrophilic. D. Yes, because it can prevent estrogen binding.