Answer:
D) the presence or absence of a Nucleus
Explanation:
A Nucleus is present in a Eukaryotic cell. A Nucleotide is present in a Procaryotic cell. If there is a nucleus present, it is a Eukaryotic cell
They are markers because their blood level can tell about the human's metabolism, and can predict diseases.
Cholesterol is a natural fat essential to the body. It allows, among other things, the synthesis of vitamin D or bile. It is a constituent of the wall of our cells. Finally, it is part of many hormones, such as sex hormones.Cholesterol has been identified as responsible for certain cardiovascular diseases such as myocardial infarction and stroke.
Insulin is a hormone naturally produced by the pancreas in response to an increase in the level of sugar (glucose) in the blood.Insulin synthesis failure or insulin resistance leads to diabetes, a disease that affects the quality of life of the patient as it will be dependent on daily intake of antidiabetic and insulin, and will be required to adapt a diet. dietetic
<span>Metalloids are metallic-looking brittle solids that are either semiconductors or exist in semiconducting forms, and have amphoteric or weakly acidic oxides. Typical nonmetals have a dull, colored or colorless appearance; are brittle when solid; are poor conductors of heat and electricity; and have acidic oxides.</span>
The primary function of the carbon cycle is to recycle carbon throughout the biosphere, including the atmosphere.
