Answer:
In double-stranded DNA, the molecular double-helix shape is formed by two linear sugar-phosphate backbones that run opposite each other and twist together in a helical shape. The sugar-phosphate backbone is negatively charged and hydrophilic, which allows the DNA backbone to form bonds with water.
Genes involved in production of abnormal red blood cells may have an abnormal sequence of bases (nucleotides), like inherited alteration in the gene for JAK2, a protein with enzymatic activity that's linked to the abnormal production of blood cells.
There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells.
- thus the answer is <u>mitosis</u>
Eye spot allows to some protists to detect light. eye spot receiving light stimuli. eyespot which is a light sensitive organelle, which helps the chlamydomonas to swim toward the light. eyespot is also called the stigma. the eyespot is similar to an eye of human. it helps organisms pick up light waves to help the organisms live and function.