Answer:
A. They contain a single circular DNA molecule.
Explanation:
Answer:
The correct option is A) Stratified epithelium.
Explanation:
Stratified epithelium is characterized by being formed by more than one layer of epithelial cells. According to the morphology of the cells of the outermost layer, they are classified as keratinized stratified flat epithelium when it has several layers and the outermost are flattened cells and with keratin. The most prominent location of this epithelium is in the skin, forming the epidermis. Its function is to protect and cover surfaces that are in direct contact with the outside or with irritating or traumatic substances.
The correct option is this: IT HAS PEPTIDOGLYCAN.
Eubacteria are those bacteria that are considered to be real bacteria and they can be found virtually everywhere. They are prokaryotes and thus lack true nucleus. They are normally categorized based on their shapes. One specific characteristic of eubacteria is their possession of cell walls that are made of peptidoglycan, this chemical strengthen their cell wall and enhance their ability to withstand hostile environments.
Atomic mass - atomic number = neutrons
126.9 - 53 = 73.9 = 74 neutrons