Answer:
Archaebacteria belong to the kingdom 'Archaea'. They resemble bacteria when observed under a microscope.They are single-cell organisms. However,they differ from prokaryotes in many ways.
•They have a completely different cell membrane so that they can survive and thrive in harsh environments
•Unlike bacteria,their cell wall and membrane can be stiff and gives a specific shape such as flat,rod shaped or cubic.
•the absence of peptidoglycan in cell wall,instead contain lipid and protein to give them strength and resistance against chemical.
•The cell membrane of archae are made up of phospholipid bilayer but unlike bacteria and eukaryotes,the bilayers have ether bonds.These ether bonds have the ability to resist chemical and helps them to survive in very extreme environments that might otherwise kill them.
•They have multiple RNA polymerase that contain multiple polypeptide
•They have initiator tRNA with unmodified methionine(unlike bacteria).
•They have the ability to survive in very high temperatures,in acidic environment and alkaline environments and even have tolerance for high salt content.
No, they have a protein coat that keeps the virus in.
Answer:
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Always remember that a compound can be separated into simpler substances by chemical methods/reactions. While elements cannot be broken down into simpler substances by chemical reactions. You can do a flame test and spectrum analysis to determine whether a solid material is an element or a compound. Check the boiling and/or melting point, color or density. Also check the solid material’s reaction with oxygen, hydrogen, calcium, or various acids. Examine and study its physical chemistry. The element(s) that may be present may be identified by checking the absorption edges from an x-ray spectrum.
The horizontal distance represents wavelength λ. The time represents the period of the wave T.
Wave speed is given by v= λ/T
Hence, those are the only parameters needed.
Note: the vertical distance is for calculating amplitude which is not used in calculating wave speed.
