What is the most common method used in estimating time of death? Rigor Why is determining the time of death often difficult? Body temperature typically reaches the temperature of the surrounding environment within 24 hours of death. External factors, such as room or air temperature, exposure to sun, wind, or snow, or the clothes a […]

What is the first step in protein synthesis in eukaryotic cells? STEP 1: The first step in protein synthesis is the transcription of mRNA from a DNA gene in the nucleus. At some other prior time, the various other types of RNA have been synthesized using the appropriate DNA. The RNAs migrate from the nucleus […]

Do you release glucagon when blood sugar levels are high or low? Glucagon is released to stop blood sugar levels dropping too low (hypoglycaemia), while insulin is released to stop blood sugar levels rising too high (hyperglycaemia). The release of glucagon is stimulated by low blood glucose, protein-rich meals and adrenaline (another important hormone for […]

Can you use a terrarium as an aquarium? If your terrarium was in an aquarium, it should be fine. Be sure to disinfect it first and be sure that it meets the requirements for an aquarium. Are reptile tanks and fish tanks the same? Most glass reptile cages are structurally identical to fish tanks–in fact, […]

Why does overcrowding contribute to the spread of disease? For communities, inadequate shelter and overcrowding are major factors in the transmission of diseases with epidemic potential such as acute respiratory infections, meningitis, typhus, cholera, scabies, etc. Outbreaks of disease are more frequent and more severe when the population density is high. How does overcrowding affect […]

How is dronabinol similar to Nabilone? Dronabinol is a synthetic form of delta-9-tetrahydrocannabinol (THC)-the psychoactive ingredient of cannabis. Nabilone is also a synthetic cannabinoid that is similar to THC but appears to be more potent. Although no cannabinoids are currently FDA-approved as analgesics, there is ongoing research on their efficacy. How is dronabinol similar to […]

When sunlight strikes the Earth more directly how is the earth affected? When the sun’s rays strike Earth’s surface near the equator, the incoming solar radiation is more direct (nearly perpendicular or closer to a 90˚ angle). Therefore, the solar radiation is concentrated over a smaller surface area, causing warmer temperatures. How does the position […]

What is the dominant plant life found in the tropical rain forest and the temperate rain forest? They often grow on trees to take advantage of sunlight in the canopy. In temperate rainforests common epiphytes are mosses and ferns, while in tropical rainforests there are many kinds of epiphytes, including orchids and bromeliads. There are […]

What are the characteristics of lenses? A primary characteristic of a lens is the focal length. A lens’ focal length is defined as the distance between the lens’ optical center and the camera’s image sensor (or film plane) when focused at infinity. What are the characteristics of the image of a converging lens if the […]

What do nations 1/2 and 3 on the map have in common? What do nations 1, 2, and 3 on the map have in common? They did not join the Commonwealth of Independent States. Does the CIS still exist? With the creation of the Commonwealth of Independent States (CIS), the Soviet Union ceased to exist. […]