The <em>independent </em>variable is the variable that you change and control in your experiment. The <em>dependent</em> variable is the one you don't have control over and is affected by how the independent variable reacts.
For Example:
Let's say you're doing an experiment seeing how different sugars affect the density of cupcakes. The type of sugar you add would be the independent variable, because you are choosing it. The density would be the dependent variable, since it depends on the sugar used.
A. to determine what materials can enter or leave a cell
Answer:
purple flowers, white flowers or a mix
Explanation:
parents are heterozygous
X x
X XX Xx
x Xx xx
XX = purple
Xx = mix
xx = white
A non-specific immune response (also called immunity) is antigen-independent while a<span> specific immune response is antigen-dependent. The examples of the non-specific immunity are fever, phagocytosis by macrophages, skin and mucus. The example of the specific immune response is c</span>ytotoxic T-cells able to recognize antigens on infected cells and kill them before the infection could spread. So, the first line of defence is the non-specific immune response. However, if pathogens pass that line of defence, the specific immune response activates.