What are the chemicals which communicate a nerve signal across a synapse? Neurotransmitter – A chemical released from a neuron following an action potential. The neurotransmitter travels across the synapse to excite or inhibit the target neuron. What are the chemical signals that are transmitted through the synapse? At chemical synapses, impulses are transmitted by […]

Which phylum of protozoa contains organisms that are non motile obligate intracellular parasites? Apicomplexa Which of the following is a type of reproduction shown by Plasmodium genus quizlet? Protozoa in the genus Plasmodium reproduce sexually via a process called _________while within their mosquito host, and reproduce asexually via _______or multiple fission while within their mammalian […]

What pulls objects to the center of Earth? Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun. What is the most familiar force that pulls all things toward the center of the Earth? gravity […]

What is the result of Syngamy? Syngamy results in the formation of a diploid zygote, which is the first cell of sporophytic generation. Zygote then divides and forms a multicellular structure called the embryo. Hence, syngamy is the fusion between two gametes. What is difference between Syngamy and fertilization? Syngamy and fertilization are synonyms just […]

Which natural process created the Galapagos Islands glaciers? At these “hot spots,” volcanic eruptions pile upon former volcanic eruptions over millennia until the volcanic earth is pushed to the surface of the ocean –forming islands. Which natural process created the Galapagos Islands quizlet? How did the Galapagos islands form? Magma pushing up through the earths […]

Which of the following best describes an organisms niche? The correct answer is that it is an organism’s habitat and inherited traits that determine its niche. What is a niche best described as? The niche of an organism is the functional role that it plays within an ecosystem. The niche (better refined as the ‘ecological […]

Do atoms and molecules have mass? Because matter is defined as anything that has mass and takes up space, it should not be surprising to learn that atoms and molecules have mass. Individual atoms and molecules, however, are very small, and the masses of individual atoms and molecules are also very small. What is common […]

What type of land is included under special land use? Special land use basically include all land parcels that cannot be defined in terms of residential and commercial land uses. Special land use allows specific usage of land within a certain location of a city based on its zoning regulation and also based on its […]

What is the difference between schizoaffective disorder and a mood disorder with psychotic features? In schizophrenia, mood symptoms are not expected to occur without psychotic symptoms. The psychotic symptoms are almost always present, but the mood symptoms come and go. In schizoaffective disorder, the psychotic symptoms may or may not be present during the times […]

What human activities cause low levels of dissolved oxygen? HUMAN FACTORS INFLUENCING DISSOLVED OXYGEN Clearing Land (e.g., construction, logging) – This may send excess organic matter into streams. Point source pollution – Sewage effluent and factory discharge into waterways can be decomposed by bacteria as above, leading to areas of low DO downstream. What happens […]