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Saturn is a unique planet in our solar system, though not the only kind of its type. Saturn has a stunning array of icy rings, which were formed through various cataclysmic events—typically the...
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Stereochemistry is a field of chemistry that studies the spatial arrangement of atoms and the three-dimensional structure of molecules. As the name suggests, stereochemistry primarily focuses on...
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The cell cycle is the entire "life" of a cell. It includes a cell's periods of growth, development, and division. The cell cycle is divided into three main parts, and those parts are interphase,...
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This is a fairly straightforward question. Knowing that the rate of a reaction will double for every 10 degrees Celsius the temperature rises, you can easily figure out how much the rate will...
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To multiple numbers when they are in scientific notation, you need to approach the coefficients and their exponents in two separate steps. For example, let’s say we have the expression (1.8 x...
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They spent all their time watching the heavens. Sure, they didn't have telescopes and such, but the sorts of observations they were making didn't need those. All they needed was a lot of...
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Nucleic acids, which store and express genetic information and are essential in protein synthesis, are made of nucleotides. Both DNA and RNA are constructed of long, connected chains of...
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Nuclear fission is the process of bombarding high-density, high-molecular weight atoms with neutrons in order to cause them to split, thereby releasing two, lower-molecular weight atoms and a...
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The results of the study presented in the article found that the Distress Thermometer (DT) was successful in screening for patients suffering from both psychological and physical problems as a...
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Let's start by giving Jules Verne a bunch of credit for writing From the Earth to the Moon because his fictional story was scientifically accurate in quite a few ways. Keep in mind that he wrote...
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Orrorin tugenensis is an early hominin species that lived approximately 6 million years ago. The first fossils of this species were discovered on October 25, 2000. Due to the year of the discovery,...
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That depends on the specific infection. For instance, Sickle Cell Anemia distorts the normal circular shape of the red blood cells. In general, however, every infection causes an increase in...
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Charles Darwin is famous for his theory of natural selection. In his 1859 book entitled On the Origin of Species Darwin theorized that organisms change over time through a process called evolution....
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G1 refers to a period in the eukaryotic cell cycle at the beginning of interphase. In general, cells in interphase are growing and synthesizing mRNA and proteins to prepare for mitosis, which is...
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Whether or not a virus is alive depends on your definition of life. The simplest definition is that living things can replicate themselves and respond to their environment. According to this...
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Carbon makes up all life on Earth. The carbon cycle describes the movement of carbon between different areas. Diffusion is the process through which carbon moves between the surface of the ocean...
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Animal cells and plant cells are similar in several ways. For example, both are comprised of a nucleus and various organelles. Although there are similarities between these two types of cells, they...
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Egg and Sperm Cells In plants and animals, a whole organism is sexually reproduced from a zygote, a product of fusion between egg and sperm. Zygotes are...
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The current global pandemic is truly a disastrous occurrence, with millions of people becoming ill, hundreds of thousands dying, widespread job loss, and economic turmoil. However, as we are forced...
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As a writing prompt, this prompt is very subjective. Just about anything you say is a positive is likely to be argued against by someone else's subjective opinion. The other difficult part of the...
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While the coronavirus has been an upsetting event that has shut down economies around the world, raised unemployment, and cost hundreds of thousands of lives, aspects of the disease that should...
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Arguments could be made on both sides as to whether or not the Nexus-6 replicants in Blade Runner were human. It largely depends on how one defines a human being. In fact, the entire thematic...
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The source that I am linking below, an article from The Conversation, fails to demonstrate quality research for several reasons. It does take a clear position in favor of genetic modifications...
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This appears to be a completely open-ended question that is open to individual responses. There isn't a definitively correct answer, so feel free to explore your thoughts about contacting an...
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Buffers are important biologically because they keep pH from rapid deviations from a range needed for homeostasis. For example, blood has a pH of 7.4. If it increased to around 7.7, the change...
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Stoichiometry is commonly used in chemistry to determine the quantitative data related to the amounts of reactants used and products generated in a given chemical reaction. The key requirement for...
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The area of federal regulation of marijuana and cannabis products is one of the most puzzling of all the activities by the Federal Government. Marijuana is an illegal controlled substance under...
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The scientific notation is a way of expressing very large or very small numbers. The form of writing a number in the scientific notation is as follows: a x 10^n where a is a number between 1 and...
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Marsupials reproduce and give birth to a partially developed offspring, whereas mammals give birth to a fully developed offspring.
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Gold has a density of 19.3 g/cc. The density of a substance is defined as the mass of a unit volume of the same. If a substance has a density of X g/cc, 1 cc of the substance has a mass of X g....
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The most common calcluation for optimal heart rate during exercise is as follows: Subtract your age in years from the number 220. So if you are 20, this number is 200. This gives you your maximum...
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The reaction for HNO3 ad KOH is given by, HNO3 + KOH -------> KNO3 + H2O Therefore 1 mol of HNO3 will neutralize 1 mol of KOH. The amount of KOH in 39 mL of 2.0 M KOH is,...
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The Earth is farther from the sun than Mercury. Therefore, the length of an Earth year is longer than the length of a Mercury year. One Earth year is 365.26 Earth days. One Mercury year is 87.96...
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Ferric ion or Iron (III) can be written as `Fe^(3+)` ion Ferrous ion or Iron (II) can be written as `Fe^(2+)` ion Their main differences are the oxidation states. When an elemental iron loses 2...
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Pure ammonia is a gas. Household ammonia that you buy in a bottle in a store is a solution of NH3 in water. So ammonia is definitely not a salt. Ammonia can technically be either an acid or a base....
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Assuming the slab is glass with `mu_r =1.5` the relative electric permittivity is `epsilon_r =4.7` . The speed of electromagnetic waves in a medium (included the speed of light) is `v...
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The formula relating the current I that flows through a conductor r if a voltage V is applied across it is V = I*r In the question, the electric water heater draws 10 A of current from a 240-V...
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This question has been answered at: https://www.enotes.com/science/q-and-a/an-object-placed-20cm-infront-converging-lens-332066
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Multicellular organisms are made of more than one cell ("multi" = many). Unicellular organisms are made of only one cell ("uni" = one). There are six kingdoms within the classification of...
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Tropic hormones are hormones that are secreted by the anterior (front) of the pituitary gland. Thyroid stimulating hormone (TSH) is one example of a tropic hormone. The release of this hormone, and...
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I think the answer to your question is that self-reproducing organisms usually grow exponentially, whereas sexually reproducing organisms will usually reproduce arithmetically. There are always...
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Frequency is simply cycles per second, or Hertz (Hz). Since you dip your finger in the water twice per second, the frequency is 2 Hz. The velocity of a wave (v) is equal to the length of the wave...
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We can solve this problem using the ideal gas equation. It is expressed as: `PV = nRT` First we have to correct the pressure that is exerted by the gas since we are collecting it in water. `P_(t o...
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`MnO_4^(-) rarr Mn^(2+)` `Fe^(2+) rarr Fe^(3+)` `MnO_4^(-)+8H^+ rarr Mn^(2+)+4H_2O` `Fe^(2+) rarr Fe^(3+)` `MnO_4^(-)+8H^++5e rarr Mn^(2+)+4H_2O` `Fe^(2+) rarr Fe^(3+)+e` `MnO^(-):Fe^(2+) =...
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The correct answer to the question here is D. The archegonium produces eggs and the sporangium produces spores. The archegonium is part of the gametophyte phase and it usually has a long neck for...
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Hello! There is at least one metal with this property, plutonium (Pu). It is a radioactive element used in nuclear weapons and as an energy source in peace applications. As a substance, without...
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In your Chemical equation, Magnesium is added to a Copper(II) Sulfate solution. A displacement reaction occurs. The Copper becomes a solid precipitate and Magnesium replaces it in the solution....
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The largest organ of the human body is the skin. By definition, organs contain two or more different types of tissues, which may include epithelial tissue, connective tissue, muscle tissue, and...
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The first organism is a Dinoflagellate, a group of Protists with armor made of cellulose(the same material in cell walls of plant cells)and flagella used for locomotion and for obtaining food. The...
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To keep the light bulb lit, you would need the alligator clips (wires), the battery, and the the light bulb. When all of these parts of the circuit are connected so that the energy is flowing it is...