How does nuclear fission produce energy?
A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy.
Moving water turns turbines to produce electricity.
Carbon atoms are bombarded by small neutrons.
An uncontrolled nuclear reaction produces heat, driving steam turbines to produce energy.
A nuclear reactor produces and controls the release of energy from splitting the atoms of uranium.
Uranium-fuelled nuclear power is a clean and efficient way of boiling water to make steam which drives turbine generators. Except for the reactor itself, a nuclear power station works like most coal or gas-fired power stations.
The first option.
Answer:
Option A
Explanation:
A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy.
The 30 trillion or so cells in your body require a continuous supply of oxygen and nutrients and an unending removal of waste materials. the blood carries these materials in the body's circulation within a series of closed tubes, called
Which substance is an energy source but is not regarded as a nutrient?
Which hypothyroid diagnosis is supported by low levels of tsh?
a. secondary
b. autoimmune
c. atypical
d. primary?
Match each vocabulary term to its definition.
1. electrons positively charged, subatomic particles
2. element a heterogeneous mixture
3. solution a homogeneous mixture
4. compound a substance with only one type of atom
5. protons two or more elements that have been chemically combined
6. colloid negatively charged, subatomic particles
Explanation:
An atom contains three sub-atomic particles as protons, neutrons and electrons.
Protons are positively charged, neutrons have no charge and electrons are negatively charged.
An element is a substance that contains same type of atoms. For example, Na is an element.
A solution is a mixture of two or more substances mixed together in uniform composition. Hence, it is also known as a homogeneous solution.
A compound is a substance that contains two or more different atoms chemically combined together in similar composition.
A colloid is a substance in which particles are present in a microscopically dispersed phase throughout a dispersion medium. Physical distinction can be done between the dispersed phase and dispersion medium. Therefore, a colloid is a heterogeneous mixture.
Hence, we match each vocabulary term to its definition as follows.
1. electrons - negatively charged, subatomic particles.
2. element - a substance with only one type of atom.
3. solution - a homogeneous mixture.
4. compound - two or more elements that have been chemically combined.
5. protons - positively charged, subatomic particles.
6. colloid - a heterogeneous mixture.
The opening of stomata is thought to involve _____.
The opening of the stomata is thought to have or involve with an increase in regards with the osmotic concentration in terms of the guard cells. The guard cells are the ones surrounding the stomata in which when they are pressured, they are likely to grow small or big.
which of the following is NOT a true statement about ATP? A. used ATP is discarded by the cell as waste. B. ATP consists of ribose, adenine and phosphate. C. ADP forms when ATP releases energy. D. ATP provides energy for the mechanical functions of cells.
Answer: It’s actually A. Used Atp is discarded by the cell as waste
Explanation: They do not waste atp
What term describes when a young animal becomes capable of successful reproduction?
The answer is puberty and maturation. In this stage of reproduction the fertilization occurs in which new development of an organism arises. It simply means the birth of new specie and this is where animals became capable of successful reproduction.
Why is it more difficult to estimate heritability in humans than in livestock or laboratory animals?
Answer:
It is more difficult to predict heritability in humans in comparison to laboratory animals or livestock is because humans cannot be used in the selective breeding experiments, which the animals go through. The artificial selection or the selective breeding refers to a procedure in which the laboratory animals are bred for a specific phenotype or trait. This procedure has been long used in experimental medical research.
Journalists are more ________ than the population as a whole.
Chargaff's studies of the base composition revealed that the amount of a equals t and the amount of g equals
c. these results were important determining which structural aspect of dna?
Fish, trees, and animals are important wildlife resources that we depend on for survival. Fish are a main source of food for many of the people in the world. Trees have been used to build and heat homes, make paper, and provide food for centuries. Humans hunt land animals such as deer, fox, antelope, and buffalo for food and other products. What can we do to protect wildlife resources so they will be around for future generations?nothing–wildlife resources are renewable and will eventually replenish themselvesharvest fast-growing trees, impose fishing limits, and impose laws to prevent poaching and illegal huntingnot use wildlife resources–they are nonrenewable and cannot be replacednot allowing fish farming, selected harvesting of younger trees, and laws that do not put a limit on hunting
When water diffuses into or out of a cell, it is called?
Trans fats ____.
a. lower ldl or "bad" cholesterol levels
b. are essential in the diet
c. are most likely found in baked foods and fried foods
d. increase hdl or "good" cholesterol levels
e. are liquid at room temperature
Trans fats increase LDL or "bad" cholesterol levels. Option A is correct.
Trans fats are a type of fat that is found in some processed foods. They are created when vegetable oils are hydrogenated, which is a process that adds hydrogen atoms to the oil. This process makes the oil more solid and shelf-stable. However, it also makes the oil more unhealthy.
Trans fats can raise LDL cholesterol levels, which is a type of cholesterol that can increase the risk of heart disease. They can also lower HDL cholesterol levels, which is a type of cholesterol that can help protect against heart disease.
Trans fats are most likely found in baked foods and fried foods. They are also sometimes found in margarine, shortening, and some types of cooking oils. Limit your intake of trans fats. The American Heart Association recommends that you eat no more than 1% of your daily calories from trans fats. This is about 2 grams of trans fats for someone who eats 2,000 calories a day. Option A is correct.
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Every ecosystem needs some organisms that return nutrients to the environment by breaking down the remains of other organisms. What is the name of this vital group of organisms?
A. consumers
B. decomposers
C. parasites
D. producers
Decomposers are organisms that break down dead material and wastes, returning essential nutrients to the ecosystem, and are crucial for its stability.
Explanation:The vital group of organisms that return nutrients to the environment by breaking down the remains of other organisms are known as decomposers. Decomposers are essential for the stability and survival of an ecosystem because they are responsible for the natural process of decomposition, which recycles nutrients back into the soil to be used by plants and other organisms. Not only do these organisms, such as bacteria and fungi, breakdown dead organic matter, but they also play a crucial role in the recycling of crucial nutrients like carbon and nitrogen.
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How does nuclear fission produce energy?
A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy.
Moving water turns turbines to produce electricity.
Carbon atoms are bombarded by small neutrons.
An uncontrolled nuclear reaction produces heat, driving steam turbines to produce energy.
Answer:
Option A, A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy.
Explanation:
In a nuclear power plant, the following processes takes place –
a) Series of nuclear chain fission reaction occur
b) Enormous amount of energy in the form of heat is released during each fission reaction
c) The condenser (heavy water) with in the plant absorbs this heat and converts into vapor.
d) Water vapor or steam has high velocity which is then used to rotate the turbine connected with generator coil.
e) Rotating coil of generator produces electrical energy.
Hence, option A is correct
Copper, sulfur, and oxygen are examples of
There are 118 elements in the periodic table. Copper, sulfur, and oxygen are examples of elements in the periodic table.
What is the compound name of copper , sulfur, and oxygen ?The compound name of copper, , sulfur, and oxygen is copper sulfate that is CuSO4.
There are total in 118 elements of periodic table that is the total of 18 groups along with the 7 periods where the elements are divided into various groups depending upon their electronic configuration and these groups are such as alkali metals. alkaline earth metals, halogens, noble gases etc.
The elements mentioned in the question are also the soil nutrients and these molecules play a major role in the biodiversity where Oxygen is important breathing gas, sulfur is major in hair protein and copper is present inside body as well.
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When an animal cell is placed in a hypotonic solution, _____.
it will gain water and may burst
it will lose water and shrink
it will remain the same size
the cell's reaction cannot be determined
Answer:
It will gain water and may burst
Which topic could be investigated using the scientific method, with the investigation organized around a appropriate research question? A) moral values B) the supernatural C) the natural world D) personal preference
Climate is a global factor that produces a. Earth’s unique ocean and atmosphere. b. the shape and elevation of landmasses. c. a wide range of environmental conditions that shapes communities. d. solar energy within the atmosphere.
Answer:
ANSWER : a wide range of environmental conditions that shapes communities.
Explanation:
Climate can easily be described as the average weather which occurs in a place over a long period of time probably over many years. The ecosystems and habitats around the earth are shaped due to climate as particular climate can be best for the living condition of one organism but be devastating for the living of another organism. The effect of climate on living communities is such devastating that a change in climate can cause the extinction of a particular kind of species. Climate shall not be confused with weather which is day to day temperature change.
Climate is a global factor that produces a wide range of environmental conditions that shape communities.
The correct option is C; a wide range of environmental conditions that shape communities.
What is climate?Climate is a region's averaged long-term weather pattern over a period of time, usually 30 years.
Iit is the average and variation of climatic variables over a period of time that can range from a few months to many millions of years.
Latitude, elevation, and the presence of ocean currents are examples of natural variables that have an impact on a region's temperature characteristics. A region's precipitation patterns are impacted by things like its closeness to mountain ranges and the direction of the prevailing winds.
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The carbon in coal, oil, and natural gas come from
difference between morphological and physiological variation
Conditions, such as phenylketonuria or sickle cell anemia, are produced by _____ abnormalities.
What products would result from the complete hydrolysis of gly-ala-ser?
Complete hydrolysis of the tripeptide Gly-Ala-Ser would result in its constituent amino acids: glycine, alanine, and serine. This is because hydrolysis is a process where water is used to break down certain types of molecules, in this case, breaking the peptide bonds between the amino acids in the peptide.
Explanation:The question is asking about the products resulting from the complete hydrolysis of a tripeptide, Gly-Ala-Ser. Given that the tripeptide Gly-Ala-Ser is composed of three amino acids: glycine (Gly), alanine (Ala), and serine (Ser), when it undergoes complete hydrolysis, these amino acids will be broken apart.
Hydrolysis is a chemical reaction where water is used to break the bonds of certain types of molecules. In the case of peptides, such as Gly-Ala-Ser, the peptide bonds between the amino acids are broken, resulting in individual amino acids. So, the products from the complete hydrolysis of Gly-Ala-Ser would be the individual amino acids: glycine, alanine, and serine.
The process of hydrolysis involves the addition of a water molecule, which breaks the peptide bond. One portion of the broken bond gains a hydrogen atom (H), and the other gains a hydroxyl group (OH) from the water molecule.
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The complete hydrolysis of the tripeptide Gly-Ala-Ser results in the release of three individual amino acids: glycine, alanine, and serine. This process involves breaking the peptide bonds through the addition of water.
The peptide Gly-Ala-Ser is composed of three amino acids: glycine (Gly), alanine (Ala), and serine (Ser). Complete hydrolysis of this peptide involves breaking the peptide bonds between these amino acids. This reaction results in the formation of the three individual amino acids as products.
Hydrolysis is typically carried out by adding water molecules, which cleave the peptide bonds and release the individual amino acids. The products of the complete hydrolysis of Gly-Ala-Ser are:
Glycine (Gly)
Alanine (Ala)
Serine (Ser)
A nurse is assisting a patient with ambulation. the patient becomes short of breath and begins to complain of sharp chest pain. which action by the nurse is the first priority?
a. call for the emergency response team to bring the defibrillator.
b. have the patient sit down in the nearest chair.
c. return the patient to the room and apply 100% oxygen.
d. ask a coworker to get the electrocardiogram (ecg) machine stat.
The nurse's priority should be to have the patient sit down in the nearest chair.
Explanation:The priority for the nurse in this situation would be to have the patient sit down in the nearest chair (option b). This is because the patient is experiencing shortness of breath and sharp chest pain, which could be symptoms of a heart attack. Sitting down will help reduce the workload on the heart and decrease the risk of further complications.
While options a, c, and d may also be appropriate actions in certain situations, immediate relief for the patient should be the nurse's priority. Once the patient is stabilized, further actions can be taken if necessary
__________ of the plant glossopteris provided evidence for wegener's hypothesis for continental drift
one positive inorganic ion important in human metabolism.
What is a cost of using technology to transport water?
A. Crops can be irrigated and grown in new areas.
B. Cities can be built in otherwise uninhabitable areas.
C. Freshwater supplies can be depleted in an area.
D. Floods can be averted in flood-prone areas.
Answer: C. Freshwater supplies can be depleted in an area.
Water transportation refers to the intentional transfer of water from one geographic location to the other. The methods used to transfer water to long distances includes three categories:
1. Aqua ducts: This includes the transfer of water through pipes, canals and tunnels.
2. Container shipment: This includes transfer of water by using a vehicle or mode of transportation such as tank truck, tank ship and tank car.
3. Towing: This also includes a vehicle to pull water in it's solid form that is ice or in liquid state. Example a tugboat is used to pull an iceberg or pulling a large water bag along with it.
The water being transported by this method is usually from the natural water reservoir native of a land such as lakes, ponds, and rivers. With the increase in the supply and transportation of fresh water will result in depletion of water in the water source of the native land. The native population will not receive adequate water necessary for sustaining life in future.
Therefore, freshwater supplies can be depleted in an area is a cost of using technology to transport water.
A nurse is preparing to suction a client nasotracheally. what actions will the nurse plan to do? select all that apply
a. turn on the suction device and set the regulator at 240 mm hg
b. assess the heart rate and rhythm and bedside o2 saturation level
c. apply continuous suction and slowly withdraw the catheter while rotating it back and forth
d. place the patient in a semi-fowler's position
e. observe the patient color while suctioning
What is the role of a fungus’s fruiting body?
absorb nutrients
movement
produce spores
food production
Answer:
Option). produce spores.
Explanation:
The fruiting body of fungi is also known as sporocarp or fruit body that represents a multicellular, spore-forming structure. It is the part of sexual phase of life cycle of fungi, by which spores (such as asci) are produced.
The spores present in fruiting body are dispersed for sexual reproduction. An example of fruiting body is mushroom.
Thus, the correct answer is option). produce spores.
The fruiting bodies of fungi are generally known to serve the production of spores.
What are fungal fruiting bodies?The fruiting bodies of fungi are a structure in the life cycle of some fungi.
Fruiting bodies are known for the storage of spores. Spores are reproductive gametes capable of giving rise to new fungi.
They vary in structures, sizes, shapes, and colors and these attributes can be utilized in identifying specific species of fungi.
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