<span>A stem is one of two main structural axes of a vascular plant, the other being the root. The stem is normally divided into nodes and internodes. The nodes hold buds which grow into one or more leaves, conifer cones, roots, other stems, or flowers (inflorescences); the internodes distance one node from another.</span>
The correct answer is (d.) proteins. Higher organisms use nitrogen to make their protein. Food that is containing protein also involves nitrogen in it. Protein also has amino acids that contain nitrogen in it which is a necessary essential nutrient for the body.
One method is taking vitamins. Another method is eating healthier.
The various forms of a single gene that code for brown, blonde, or red hair are called genotype. For example, Bb and Dd.
The cell will undergo osmotic lysis. 3. The cell will plasmolyze.