Examlex
The main active form of vitamin D in the body is
Control Group
In an experiment, this group does not receive the treatment under investigation and is used as a benchmark to measure how the other tested groups compare.
Independent Variable
In experimental research, the variable that is manipulated or changed by the researcher to observe its effects on the dependent variable.
Dependent Variable
The variable in a study that is expected to change in response to manipulations of the independent variable, effectively measured to assess the effect.
Experimental Manipulation
The alteration of an independent variable to determine its effect on a dependent variable within an experiment.
Q7: If an organism has five pairs of
Q8: The RDA for iron during pregnancy increases
Q8: If the progeny of a mating of
Q13: The richest sources of copper are _.<br>A)oranges
Q18: _ influence the physical appearance of an
Q49: A major factor contributing to the decline
Q56: Differences in plant flower color or plant
Q57: Women who begin pregnancy at a normal
Q60: Typical daily urine output in a healthy
Q91: The RDA for vitamin E was established