A control group of the experiment is the one in which no treatment or intervention is given. So, in your case, the pea plants in which was not subjected any of the fertilizers, will serve as a control group. This is a negative control. A positive control group is the one in which an established treatment is given, which definitely leads to the production of the desired character. So, in your case, a very good well-known fertilizer which has a positive control on the growth of the pea plant, would serve as a positive control.
<span>The metabolic activity of a specific region of the living rat brain can be revealed by measurement of Fos protein concentration.
c-Fos is a proto-oncogene that is the homolog of the retroviral oncogene v-fos. It was first discovered in rat fibroblasts as the transforming gene of the FBJ MSV.</span>
Answer:
Lipid intake through diet is important for the infants as it helps in growth, development.Brain, retina and nerve tissues contain long chain PUFA(Poly unsaturated fatty acid) that is provided through the intake of lipids.
Explanation:
Dietary lipid is traditionally be consider as an important and essential nutrient for the infants as they provide many function in the body of infants They helps for proper growth and development of the infant.Thus selection of dietary lipid is important.Brain, and other neural tissue contain long chain poly unsaturated fatty acid that are important for producing eicosanoid. They are powerful mediators as they helps in different functions that are performed by cells and tissues.More over fat provide energy that are required for doing various physiological activities.