The nuclear equation shows the transmutation of a form of radon into polonium and an alpha particle. In one tho two sentences, explain whether or not the reaction is balanced.
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The equation is balanced because the mass and charge are equal on both sides of the reaction equation.
In a nuclear reaction, one nucleus is transformed into another. In this case of the equation shown, the radon nucleus is being transformed into a polonium nucleus with the emission of an alpha particle.
The equation is balanced because a total mass of 219 is found on both sides of the reaction equation and a total charge of 86. Recall that an alpha particle is the same as a helium nucleus with a mass of four units and a charge of two units.
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Genes which are expressed all the time.
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You are infected with a pathogen; it is your first exposure to this pathogen. The first antibody types that will eventually appear in your blood to help fight this infection will be:
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If it is the first time that this pathogen comes into contact with the immune system, IgM antibodies are produced, which are the first type of antibodies produced against a certain microorganism.
Immunoglobulins are molecules that intervene in defense processes against microorganisms and infections.
Each type of immunoglobulin is specific against a certain antigen, this is what allows an immunological memory to exist, which is obtained when coming into contact for the first time with a certain microorganism.IgM is the first immunoglobulin synthesized by the neonate by itself, and it is also the first to appear during the primary response, which lasts an average of three weeks and then disappears.In general, the production of IgM antibodies precedes that of IgG, the concentration of antibodies can be high, plateau for a few days and then decrease rapidly.Therefore, we can conclude that when the immune system first comes into contact with an antigen, a primary response occurs; mediated by IgM antibodies.
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Which of the following is the longest nerve in the body?
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Answer:
a. Sciatic nerve
Explanation: is correct
how does food web relate to food chain
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1. Science has limits and cannot answer all questions. Define science, and then give an e question that science is able to answer.
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Answer:
science is the study of the structure and behavior of our world and universe.
Things science cannot explain
Why ice is slippery
How many species of animals and living things there are
Explanation:
how do hormones from the hypothalamus get to the anterior pituitary gland?
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Answer:
Hypothalamic releasing and inhibiting hormones are carried directly to the anterior pituitary gland via hypothalamic-hypophyseal portal veins. Specific hypothalamic hormones bind to receptors on specific anterior pituitary cells, modulating the release of the hormone they produce.
Edpuzzle: Fermentation - Amoeba Sisters
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Answer:
=amoeba sisters
Explanation:
what parts of a cell are most likely involved with inherited traits?
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Chromosomes are most likely involved with inherited traits.
What are Chromosomes?A chromosome is defined as the long DNA molecule which contains part or all of an organism's genetic material. Most chromosomes consist of very long thin DNA fibers coated with packaging proteins where the most important of these proteins in eukaryotic cells are histones.
These structures are found in the nucleus of cells which contain long pieces of DNA. DNA is the material that holds genes and is the building block of the human body.
Chromosomes also contain proteins which help the DNA stay in the proper shape.
Thus, Chromosomes are most likely involved with inherited traits.
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receptors for neurotransmitters are of primary functional importance in assuring one-way synaptic transmission because they are mostly found on the _____.
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Answer:
The axonal membrane (place as brainliest so others know its correct)
Receptors for neurotransmitters are of primary functional importance in assuring one-way synaptic transmission because they are mostly found on the Axonal membrane.
What are Neurotransmitters?Neurotransmitters may be defined as the type of chemical substances that are correspondingly liberated at the end of a nerve fiber by the arrival of a nerve impulse and, by diffusing across the synapse or junction. They are released in the location known as the synaptic cleft.
The receptors of these neurotransmitters are present in the plasma membrane of postsynaptic cells which selectively bind the transmitter. They are integral membrane glycoproteins with multiple transmembrane segments.
Some examples of neurotransmitters may include serotonin, GABA, dopamine, acetylcholine, etc.
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Based on this diagram label the positive and negative sides of the DNA fingerprint with a + and – sign.
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We can say that the top of the gel, where the DNA samples were applied, is the negative side, while the bottom of the gel is the positive side.
We can arrive at this answer because:
DNA is a negatively charged molecule.For this reason, when DNA is applied in an electrophoresis vat, it must be placed in the negatively charged portion.This is because the electrophoresis vat will allow an electrical discharge to pass through the vat and drag the DNA from the negative side to the positive side.This movement allows the DNA to present a series of fragments of different sizes that will be observed in a fingerprint, such as the one presented in the question above.
In the figure below you can more accurately see the positive and negative sides.
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Which processes contribute to the formation of chemical sedimentary rocks?
Organisms decay in a solution.
Minerals dissolve and crystalize.
Rock fragments squeeze together.
The remains of plants and animals
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Explanation:
Rock fragments squeeze together
How is humus formed?Explain.
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Answer:
Humus is formed when organic material (such as leaves, dead animals etc.) is degraded by a combination of fungi, bacteria, microbes and other animals (earthworms for example) that reside in the soil.
Explanation:
Answer:
Hey mate....
Explanation:
This is ur answer...
Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. The thick brown or black substance that remains after most of the organic litter has decomposed is called humus.
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Explain how various depressants affect nervous system activity and behavior (alcohol, barbiturates, and opiates)
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Answer:
They kill you
Explanation:
They kill you
spermiogenesis begins with a ________ and ends with a ________.
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Answer:
Answer:
germ cell and four gametes
Explanation:
Spermiogenesis begins with a germ cell and ends with four gametes.
what is genetic seeds
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Answer:
seeds
Explanation:
seeds
which parts of the monomers involved in the dimer formation
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Answer:
A dimer (/ˈdaɪmər/) (di-, "two" + -mer, "parts") is an oligomer consisting of two monomers joined by bonds that can be either strong or weak, covalent or intermolecular. The term homodimer is used when the two molecules are identical (e.g. A–A) and heterodimer when they are not (e.g. A–B).
A network of interwoven anterior rami of spinal nerves is a:
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Explain the effect of viruses on living organisms.
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Answer:
Viruses are microscopic biological agents that invade living hosts and infect their bodies by reproducing within their cell tissue. Viruses are tiny infectious agents that rely on living cells to multiply. They may use an animal, plant, or bacteria host to survive and reproduce
Why is the muscular system needed for respiration to occur in the human body?
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Answer:
Explanation:
the muscular system is needed for respiration to occur in the human body because the diaphragm is a muscle iteslf and the diaphragm inflates the lungs
Which event is caused by gravity
1.Water enters an aquifer through infiltration
2. Water exits a person through perspiration
3. Water changes from ice to liquid water through melting
4.Water moves from the atmosphere to a glass surface through condensation
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Answer:
1 water enters an aquifer through infiltration
Which soil-based compounds do plants use to create amino acids from glucose?
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Answer:
Nitrates are the soil-based compounds plants use to create amino acids from glucose
Explanation:
Nitrates soil-based compounds do plants use to create amino acids from glucose.
Describe how ions, water and sugar are obtained and transported
through plants. In your answer you should refer to materials moving upwards in a plant and to
materials moving downwards in a plant
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Answer:
Explanation:
Water moves through the xylem in a stream called a transpiration stream, up to the leaves of the plant. Sugar is made during the process of photosynthesis. Unlike water and ions, it travels through the plant via the phloem, moving up and down through the plant.
which tarsal bone articulates with the tibia and fibula
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Answer:
the talus bone
Explanation:
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What is not an example of DNA?
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Answer:
AMOGUS
Explanation:
Anything other than DNA is not an example of DNA
The main goal of photosynthesis is to produce what?
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Answer:
To spread carbon dioxide and oxygen.
Explanation:
Plants produce carbon dioxide and oxygen. This is called photosynthesis.
Which of the following sentences state a significant conclusion that Gregor Mendel drew from his experiments with pea plants? Traits are inherited in discrete units and are not the result of "blending." Genes are composed of DNA. Recessive genes occur more frequently in the F1 generation than do dominant ones. There is considerable genetic variation in garden peas.
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Mendel concluded that the alternative forms of each trait are coded by discrete factors, which were called alleles that combine in pairs to express the trait. Traits are inherited in discrete units and are not the result of "blending."
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After making many crosses that involved different traits -such as plant height, or flower colors-, Mendel observed that, per trait, the F1 only expressed one of the alternative forms, while de other one disappeared.
Mendel named dominant the expressed variant.
Mendel then let these new plants auto pollinate and observed the results in the second generation, F2.
He saw that the variants that had previously disappeared among the F1, reappeared again. Both alternatives for each trait were present in the F2.
Mendel named recessive the second alternative variant.
Mendel explained his results by arguing that discrete factors were responsible for these phenotypes.
These factors should have been present in the F1 in pairs. One of them came from one parental plant, and the other factor came from the other plant. These factors separated again during sex cells formation, producing two types of gametes, each with only one factor.Mendel conclusion about his experiments was that per trait -flower color of plant length-, each plant had a pair of factors -which he named alleles-, and that each factor coded for one of the alternative forms of the traits -white or purple, tall or short-.
He thought that alleles separate -segregate- during the process of gamete formation.
The First Mendel's Law is the first conclusion he took about his experiments and is known as the segregation principle.
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What molecules are required for the Calvin cycle? (3 answers)
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Answer:After the energy from the sun is converted and packaged into ATP and NADPH, the cell has the fuel needed to build food in the form of carbohydrate molecules. The carbohydrate molecules made will have a backbone of carbon atoms. Where does the carbon come from? The carbon atoms used to build carbohydrate molecules comes from carbon dioxide, the gas that animals exhale with each breath. The Calvin cycle is the term used for the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules.
Explanation:The Interworkings of the Calvin Cycle
In plants, carbon dioxide (CO2) enters the chloroplast through the stomata and diffuses into the stroma of the chloroplast—the site of the Calvin cycle reactions where sugar is synthesized. The reactions are named after the scientist who discovered them, and reference the fact that the reactions function as a cycle. Others call it the Calvin-Benson cycle to include the name of another scientist involved in its discovery (Figure 5.14).
This illustration shows that ATP and NADPH produced in the light reactions are used in the Calvin cycle to make sugar.
Answer:
CO2, ATP, and NADPH
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what is the process of producing energy in living organisms
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Answer:
cellular respiration
Explanation:
Sưa Sống ở đâu cách di chuyển cấu tạo tao dinh dưỡng bằng gì
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Explanation:
Sưa Sống ở đâu cách di chuyển cấu tạo tao dinh dưỡng bằng gì
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Crossing over is a process that occurs during formation of gametes. How does crossing over lead to genetic variation in offspring?
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Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. When cells divide during meiosis, homologous chromosomes are randomly distributed to daughter cells, and different chromosomes segregate independently of each other.
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