What is a waxy substance in the blood and cells needed for synthesis of cell membranes vitamin d and hormones

How will your health most likely be affected if you follow the recommended guidelines for sleep, rest, and physical activty

Avirus consisting of a single strand of rna, which is transcribed into complementary dna, is a ) proteaseb) retrovirusc) rna replicase virusd) nonenveloped virus

9. withdrawal occurs when alcohol is removed from the system after the brain a. adapted to the continued presence of alcohol b. become physically saturated with alcohol c. become impervious to the effects of alcohol d. begun to treat alcohol as a poison