Adults with more than a twelve (12)-month history of migraines were assigned randomly in a double-blinded study to receive treatment with experimental drug x (10 or 20 mg/day) or placebo. the primary efficacy measure was the reduction in severity of the migraine attacks. enrollment was twelve-hundred (1200) subjects. which of the following best describes the clinical phase of this study

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.