smooth ER
smoothe endoplasmic reticulum
Yes because the Follicle Stimulation Hormone (FSH) will not be present without the estrogen and progesterone levels.
Estrogen and testosterone are classified as steroids. Estrogen and testosterone are present in both men and women, but at different levels.
mitochondria
Centriole
A contractile vacuole is the organelle that is present in a paramecium protozoa but absent in the cells of a strawberry plant.
We looked at the cell's organelles under the microscope.
chloroplasts
The Mitochondria.
A Eukaryotic cell does not have a flagellum.
Chloroplast .
Chromosomes. They are present in the nucleus.
It should be the vacuole, because all cells, even the red-blood cells and xylem cells have vacuoles. Basically my definition of "universal cell organelle" means an organelle which is present in all cells.