There are holes in the end of the phloem tubes because Phloem consists of sieve tube cells and companion cells for conduction of food These sieve elements are placed end to end . At the the junction of two sieve elements there is a plate called sieve plates having circular pores.
However, the cells do not burst due to the presence of the CELL WALL that provided structural support for the CELL.
The cell wall is a cell organelle that is found in plant cells only. It serves as a sort of skeleton to the cell because it gives rigidity and structural support to the cells. The cell wall is located outside the cell membrane and it is made up of cellulose. It also gives protection to the plant cells.
D. DNA fingerprinting show matches for identifying victims and criminals.
A likely diagnosis would be a pelvic inflammatory disease. It is an infection of the reproductive system of a female. It would include the ovaries, uterus, cervix and the fallopian tube. It is commonly caused by STI or sexually transmitted infection like gonorrhea and <span>chlamydia</span>. Symptoms include pain in the pelvis and the lower belly, heavy discharge with unpleasant smell, pain during intercourse, bleeding, fever and pain when urinating. If this disease is not treated well it could lead to more serious problems or complications like trouble in getting pregnant and pain in the pelvic area that does not go away.