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Which organisms have cells without nuclei?
Organisms that have cells without nuclei are called prokaryotes. This includes bacteria and archaea. Prokaryotic cells do not have a defined nucleus but instead have a nucleoid region where the genetic material is located.
Has several nuclei per cell?
A cell with several nuclei is known as a syncytium. This type of cell results from multiple nuclei residing in a single cytoplasmic mass without cell boundaries. Syncytia can be found in certain tissues like muscle and fungi.
What is the column like cells that lie under the epidemis?
The column-like cells under the epidermis are called columnar epithelial cells. They are found in various tissues in the body, including the lining of the gastrointestinal tract where they play a role in absorption and secretion of substances. These cells are elongated and have nuclei located towards the base of the cell.
What are pleomorphic nuclei?
Pleomorphic nuclei are irregularly shaped nuclei that vary in size and structure within a population of cells. This variation can be seen in cancer cells, where the nuclei may exhibit different shapes and sizes compared to normal cells. Pleomorphic nuclei are considered a feature of malignancy when observed in pathology samples.
What Onion epidermis is a suitable tissue to use for observing cellular structures with a compound light microscope because this tissue is thin enough to?
Onion epidermis is a suitable tissue for observing cellular structures with a compound light microscope because it is transparent, allowing light to pass through easily, and the cells are thin enough to view individual cells and structures such as cell walls, nuclei, and chloroplasts. Additionally, the large size of onion cells compared to other plant cells makes it easier to study their internal structures.
What is syncytial epidermis?
Epidermis containing cells which have many nuclei formed due to fusion of many cells.
What is orthokeratin?
Stratum corneum (outermost layer of epidermis) with an increased keratin layer without residual nuclei and has an uneven surface. (NORMAL) Parakeratin has an increased keratin layer with shrunken (pyknotic) residual nuclei and a more even surface (ABNORMAL)
What is a single celled microorganism without distinct nuclei or organized cell structure?
A microscopic organism consisting of one cell without a nucleus is called a prokaryote. A eukaryote is more complex and has a nucleus.
Are the companion cell without nuclei?
It does not consist of nuclei
What is a gas like state of matter consisting of free electrons and atomic nuclei?
Plasma is a gas-like state of matter consisting of free electrons and atomic nuclei. Plasma is often considered the fourth state of matter, in addition to solid, liquid, and gas. It is commonly found in stars and lightning.
What is water drops that freeze in layers around small nuclei device during thunderstorms?
It is known as hail.
What would happen if a cell underwent repeated mitosis without cytokinesis?
multiple nuclei
Donut-shaped cells without nuclei are called?
erythrocytes
What are single celled orginisms without a nuclei?
I think it is privations
What is the meaning of the element and compound?
An element is a substance that consists of atoms that are all of the same type, meaning that they all have the same number of protons in their nuclei. A compound is a substance consisting of molecules, each consisting of the same atoms connected in the same way.
What forms when water drops freeze in layers around small nuclei of ice?
Hail forms when water drops freeze in layers around small nuclei of ice as they are carried up and down in strong updrafts within thunderstorms. The process of repeated freezing and melting of the water droplets contributes to the growth of hailstones.
What is a single celled organism without a nuclei?
A single-celled organism without an organized nucleus is a prokaryote.
