Density=mass/volume this the density equation. hope it helps
He La cells have play important role in the study of cancer and even in cancer therapies. He La cells are also used to diagnose trisomic disorders such as Down's Syndrome with the help of chromosome banding. Some genes present in the He La cells are used as markers and compared with the other cell line in question. Presence of the marker for Down's syndrome in the cell in question shows that the person is suffering from the disease.
Answer: A) C)
Explanation:
Sedimentary rocks are formed and made in one situation when sediment is deposited out of ice, wind, gravity, air, and water.
That sediment is formed when it comes to erosion and weathering. It is happening with breakdown of rock into some loose material and that is why correct answers are erosion and weathering.
Answer and Explanation:
Most young roots have two main regions. An outer cortex and a central cylinder containing the vascular bundles.
The endodermis also referred to as starch sheath. Its cells have a casparian strip which is made up of an impervious waxy deposit on the radial and cross walls. It controls entry of water and dissolved salts into the vascular bundle.
