<span>Tobacco Mosaic Virus (TMV) will not multiply unless it is brought in contact with a living cell and once it contacts the living cell it will not stop its multiplication.</span>
Among organisms, carbon compounds exist in four major categories: lipids, carbohydrates, proteins and nucleic acids. Carbohydrates are required as sources of energy. Proteins are the major molecules from which organisms are built. Lipids provide energy to produce hormones. Nucleic acids consist of deoxyribonucleic and ribonucleic acids, which play a key role in protein synthesis.
False. It is the stomata, they<span> can open and close according to the plant's needs.</span>
Answer:
The Richter scale is a numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations. The more destructive earthquakes typically have magnitudes between about 5.5 and 8.9; the scale is logarithmic and a difference of one represents an approximate thirtyfold difference in magnitude.
Explanation: