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Rickets frequency was particular high across populations during the Industrial Age in northern latitudes but it was particularly prevalent among darkly pigmented populations.

Rickets frequency was particular high across populations during the Industrial Age in northern latitudes but it was particularly prevalent among darkly pigmented populations.

UV radiation stimulates skin cell production of cholesteral necessary for Vitamin D synthesis and also can cause skin cell mutations that lead to skin cancer.

Adaptation is a product of our evolutionary past that conditions our present.  Variation has been good for our species and has provided options for survival when conditions change.

UV radiation stimulates skin cell production of cholesteral necessary for Vitamin D synthesis and also can cause skin cell mutations that lead to skin cancer.

Twenty generations back in time, each of us has 2,097,150 ancestors and, according to computational biologists, every human shares a common great whatever grandparent as recently as …

Which of the following is NOT part of aseptic technique?

What color colonies do members of Enterobacteriaceae grow on MacConkey agar plates?

Which of the following is NOT part of aseptic technique?

When creating a bacterial smear from a broth culture, how many loopfuls of inoculum should be placed onto the slide to ensure that enough bacteria are transferred?