a nitrogenous base, a sugar, and a phosphate. A nucleotide is the basic subunit of both DNA bad RNA. It contains a base with nitrogen, a 5-carbon sugar and a phosphate group.
Answer:
The major blood vessels connected to your heart are the aorta, the superior vena cava, the inferior vena cava, the pulmonary artery (<em>which takes oxygen-poor blood from the heart to the lungs where it is oxygenated),</em> the pulmonary veins (which bring oxygen-rich blood from the lungs to the heart), and the coronary
Diploid cells = 2n = 46
Haploid cells = n = 23
therefore, there are 23 chromosomes in haploid cells.
The membrane also plays a vital function in preventing things from getting in or leaving the cell, and the second major function is that it is a factor in cell communication and cell recognition.
