Answers
The Bohr Model of the Atom is a useful model for understanding the behavior of atoms, but it has limitations in accurately describing the behavior of real-world atoms.
What is the assumption of Bohr's model?The Bohr Model assumes that electrons orbit the nucleus in circular paths at specific energy levels, which is not entirely accurate. In reality, electrons move in a probabilistic cloud-like formation around the nucleus, and their exact position and energy can only be described in terms of probabilities.
Additionally, the Bohr Model does not account for the effects of electron-electron interactions, which become more significant as the number of electrons in an atom increases. Therefore, while the Bohr Model is still a valuable tool for explaining atomic behavior, it is not entirely accurate and should be used in conjunction with other models, such as the quantum mechanical model of the atom.
In the case of oxygen, the Bohr Model can provide a basic understanding of the number of electrons, their distribution in energy levels, and the overall behavior of the atom. However, to fully understand the properties and behavior of oxygen, one must take into account the complexities of the electron cloud and electron-electron interactions, which are better described by the quantum mechanical model.
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Related Questions
The body regulates excretion of which of the following wastes?
sweat
hormones
glucose
insulin
ANSWER IS SWEAT
Answers
Answer:
This person is in fact correct.
What is meant by “electron dense layer” when saying the basal lamina is an electron dense layer?
Answers
Answer:
Read below:
Explanation:
The term "electron dense" refers to the appearance of a material under the electron microscope, which uses a beam of electrons to magnify the sample. An electron dense layer appears as a region that appears darker than the surrounding tissue under electron microscopy, indicating a higher electron density. In the context of the basal lamina, it refers to the fact that the basal lamina appears as a dark layer when viewed under an electron microscope, due to the high electron density of the extracellular matrix components that make up the basal lamina. This electron dense appearance allows for the easy visualization and distinction of the basal lamina from the surrounding tissue under electron microscopy.
Which statement about the Federal Reserve (the Fed) is true?
Unless a person works there, the Fed has little impact on everyday life.
The Fed determines the criteria banks must use to evaluate loan requests.
The Fed serves as the nation's central bank and regulates banking practices.
Because it is independent, the Fed reviews and approves the national budget.
Answers
Answer:The Fed serves as the nation's central bank and regulates banking practices.
Explanation:The Feds regulate banks and who uses that certain bank.
Answer:hey not here to answer but to say hey i miss you and just got out of the
hospital
Explanation:
What are the ramifications (pros and cons of introducing a natural predator of cane toads?
Answers
What is the relationship between population size and resource use?
O Population size has little effect on the usage of resources.
O Population size is inversely proportional to the use of resources.
O The greater the population size, the fewer resources are used.
O The greater the population size, the more resources are used.
Answers
The relationship between population size and resource use is O The greater the population size, the more resources are used.
What are the limiting factors of a given population in nature?The limiting factors of a given population in nature refer to those resources such as food availability that are required to maintain and grow a population.
Therefore, with this data, we can see that limiting factors of a given population in nature are those that may limit the growth of a population, and therefore while more individuals fewer resources are available.
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Order the following from largest to smallest:
chromosome
nucleus
nucleotide
DNA-histone complex
gene
cell double-helix
Answers
Explanation:
cell double-helix
gene
DNA-histone complex
nucleus
nucleotide
chromosome
A plate moving at a rate of 4 cm/year is moving toward a plate that is 10,000 km away. In how many years will the plates collide?
250 million years
2,500 years
25 thousand years
250,000 years
Answers
Answer:
250 million years
Explanation:
I did the test
Answer:
250 million yrs
Explanation:
trust me slime
What would happen to the concentrations of ATP, NADPH and sugars if the Phothosystem II stopped working?
Answers
Photosystem II (PSII) is one of the proteins complex involved in the light-dependent reactions of photosynthesis, specifically, their enzymes capture the photons of light to energize electrons, and water is split to form hydrogen ions and oxygen.
The oxygen ions or protons are used by the ATP synthase to produce ATP and the electrons reduce NADP+ into NADPH.
So, this means PSII is responsible for the production of ATP and NADPH, but not for carbon fixation and the production of sugars.
This means ATP and NADPH concentrations would decrease, while there would be no change in the concentration of sugars.
why practical sciences is often left out by teachers ?
Answers
Practical sciences are sometimes left out by teachers due to limited time and resources in educational institutions and may prioritize theoretical knowledge over practical application.
Additionally, practical sciences often require specialized equipment, facilities, or materials, which may not be readily available in schools. Moreover, teachers may feel more comfortable with traditional teaching methods and may lack the training or expertise to effectively integrate practical sciences into their curriculum.
Standardized tests and assessment frameworks that focus on theoretical concepts further discourage the inclusion of practical sciences. However, recognizing the importance of hands-on learning experiences, efforts should be made to bridge this gap and promote the integration of practical sciences into educational settings.
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Which phrase describes a feature of a Mercator projection Is least commonly used sizes most features to scale present longitude as parallel shows most accurately near the prime meridian
Answers
Answer:
C.) presents longitude lines as parallel
Explanation:
Took it on E2020
In Activity 2, which of the respirometers serves as a control? Explain your answer! Why was it the control? You should write at least 3 sentences to explain this. Respirometer A contains germinated beans. respirometer B contains dormant beans and plastic beads respirometer C contains plastic beads.
Answers
In Activity 2, the respirometer C serves as the control. A control is an essential part of any scientific experiment as it provides a baseline against which the experimental results can be compared.
Respirometer C containing only plastic beads does not contain any living organisms and therefore does not undergo cellular respiration. By comparing the results of respirometers A and B with the control (respirometer C), any changes in oxygen consumption and carbon dioxide production can be attributed to the metabolic activity of the germinated beans in respirometer A and the dormant beans in respirometer B.
This allows researchers to determine the specific effects of germination on cellular respiration by isolating the variables and eliminating any external factors that could influence the results.
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When two parents join to form a new individual-
Offspring will NOT be identical to one parent.
It will have traits from both parents
Both A and C
Offspring will be identical to one parent.
Help please!!
Answers
Answer:
"B"
Explanation:
It will have both traits from both parents.
Which of the following is most likely to be part of a country's sustainable forest management policy?
Answers
The probable option would be to encourage the reseeding of old-growth forests that have been logged.
What are the enzymes that drive the Calvin cycle are dissolved in the cholorplast
Answers
Answer:
RuBisCO, FBPase, SBPase, and PRK.
Explanation:
Calvin cycle is operated by 11 different enzymes that catalyze 13 reactions. The “key” regulatory enzymes are RuBisCO, FBPase, SBPase, and PRK. These enzymes play a major role as they control the rate of CO2 fixation.
Hope it helps
The number of rhinoceroses has decreased to near extinction. How are rhinoceroses classified under the Endangered Species Act
Answers
Answer:
endangered
Explanation:
Which of these is an example of elemental carbon?
A.
Diamond
B.
Methane
C.
Proteins
Answers
The example of elemental carbon is diamond and it is pure form of carbon. Thus, option A is correct.
What is elemental carbon?Elemental carbon is pure form of carbon and it does not contain other elements and present in natural form. Due to this reason it is known as elemental.
In elemental form pure atoms are not attached to any other atom. Example is diamond which is allotrope of carbon in which there is only carbon atom attached to each other.
Methane and proteins are compounds consist of a combination of carbon and other elements and they are not come in category of elemental carbon.
Therefore,the example of elemental carbon is diamond and it is pure form of carbon. Thus, option A is correct.
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Pistil is the male reproductive part of the plant.
True or false?
Answers
Answer:
false bestie, that's a women's
Answer:
false
Explanation:
Use of which of the following will result in the control of insects pests in turf?
Answers
There are several methods that can be used to control insect pests on turf, including cultural, biological, chemical, and physical control methods. The most effective method will depend on the specific pest species and the extent of the infestation.
Cultural control methods involve modifying the turf environment to make it less hospitable to pests, such as improving soil quality, reducing thatch buildup, and properly irrigating and mowing the turf. Biological control methods use natural enemies of the pests, such as predators, parasites, and pathogens, to reduce their populations.
Chemical control methods involve the use of pesticides to kill or repel pests. Still, their use should be minimized as they can negatively impact the environment and non-target organisms. Physical control methods involve removing or excluding pests, such as traps or barriers.
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Colorblindness is due to a sex-linked recessive allele. What are the chances of a colorblind father and a carrier mother having a child with colorblindness?1/41/23/40
Answers
The cross of the father who is homozygous for colorblindness and the mother who is heterozygous for colorblindness (carrier) are the following offspring:
50% CC - homozygous for colorblindness and 50% heterozygous for colorblindness (carrier).
Answer - The chances of having a child with colorblindness is 1/2.
Describe the mechanism of glycolysis in detail
Answers
The process of Glycolysis is a catabolic process in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .
Mechanism Of Glycolysis
The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol
Preparatory phase refers to the generation of two molecules of glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .
Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate .
Both the phases of glycolysis takes place in the cytoplasm and there are three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .
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If we wanted to specifically restore a portion of a river to make it a better spawning habitat for salmon, what do managers need to consider on:
Small/short scales of space/time?
Large/long scales of space/time?
Answers
To specifically restore a portion of a river to make it a better spawning habitat for salmon, the managers need to consider on Small/short scales of space/time:
River morphology.Water quality.Benthic habitat.Flow regimeconsideration on Large/long scales of space/time:
Land use practices.Climate change.Long-term monitoring.CollaborationOn small/short scales of space and time, managers need to consider the following factors when restoring a portion of a river to make it a better spawning habitat for salmon:River morphology: The shape, structure, and flow of the river can impact the suitability of the habitat for salmon. Managers need to assess the current state of the river and determine if changes are necessary to improve habitat quality.Water quality: Salmon need clean, cool, and well-oxygenated water to thrive. Managers need to monitor and address any water quality issues that may impact the health of salmon, such as excessive nutrients, pollutants, or changes in temperature.Benthic habitat: The type and quality of the substrate (i.e., river bottom) in the river can impact the ability of salmon to lay their eggs. Managers need to assess the current benthic habitat and determine if changes are necessary to improve it.Flow regime: The timing, frequency, and magnitude of river flows can impact the ability of salmon to access suitable spawning habitats. Managers need to assess the current flow regime and determine if changes are necessary to improve habitat quality.On large/long scales of space and time, managers need to consider the following additional factors:
Land use practices: Land use practices in the watershed can impact the water quality, flow regime, and benthic habitat of the river. Managers need to consider the impact of activities such as agriculture, urbanization, and resource extraction on the river and determine if changes are necessary to improve habitat quality.Climate change: Climate change can impact the water quality, flow regime, and benthic habitat of the river. Managers need to consider the potential impacts of climate change and plan accordingly to ensure that the habitat remains suitable for salmon in the future.Long-term monitoring: Managers need to implement long-term monitoring programs to assess the effectiveness of the restoration efforts and make any necessary adjustments over time.Collaboration: Restoring a portion of a river to make it a better spawning habitat for salmon can be a complex and expensive process that requires collaboration among multiple stakeholders, including government agencies, private organizations, and local communities. Managers need to build partnerships and develop a shared vision for the future of the river to ensure that the restoration is successful.
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This pedigree tracks a recessive trait. What could person 3's genotype be?
Select all possibilities,
Answers
Based on the pedigree and the recessive nature of the trait, it can be concluded that the genotype of Person 3 is Aa.
What is recessive trait?A recessive trait is a trait or character encoded by a recessive gene.
A recessive trait does not appear in every generation bit only appears in the absence of the dominant trait.
From the pedigree shown, the recessive trait is h0m0zygous in 2 while 1 is heterozygous for the trait.
Person 3 is heterozygous recessive for the trait too.
Therefore, the genotype of person 3 is Aa.
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Which part of the brain is composed
of the frontal lobe, the parietal lobe,
the occipital lobe, and the temporal
lobe?
A. the brain stem
B. the cerebellum
C. the cerebrum
Answers
Answer: The cerebrum
Explanation:
The cerebrum consists of two cerebral hemispheres the outer layer called the cortex (gray matter) and the inner layer (white matter). There are four lobes in the cortex, the frontal lobe, parietal lobe, temporal lobe, occipital lobe.
Question: In the diagram below, is the Northern Hemisphere experiencing longer or shorter days? Explain why.
It might be easy, but thats because im in 5th grade only, and i didnt know what to put for subject
Answers
Answer: shorter because of the how the earth is rotating in that diagram. hope this helps :)
Explanation:
All of the following are examples of erosion EXCEPT
O The wind in the desert blows sand against a rock.
O A glacier picks up boulders as it moves.
O A flood washes over a riverbank, and the water carries small soil particles downstream
O An icy winter causes the pavement in a road to crack
Answers
solating a certain segment of your DNA, an analyst tells you that it shows that you have your father's eye shape but your maternal grandmother's eye
color. The DNA which is indicating this is
OA.
B.
Familial DNA
Nuclear DNA
C.
Core DNA
COD. Fusion DNA
Answers
The DNA which is indicating this is Nuclear DNA (option B)
What is nuclear DNA?Nuclear DNA constitutes the hereditary information enclosed in cell nuclei within an organism. It codes for characteristics such as physical features and predisposition towards some ailments by means of lengthy nucleotide sequences comprising various genes - which encode functional proteins contingent on distinct operations within the human anatomy.
This form of genetic information is passed down by both maternal and paternal contributions.
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explain how the bark of a tree is found how does it act as protective tissue
Answers
explain why a father with blood group AB cannot donate for a child with blood group O when he marries a woman with blood group O
Answers
The odds are astronomical for a father with AB(IV) to have an O(I) child. The only possible way for this phenomenon to occur is if there was a nondisjunction in the ovogenesis for the 9th chromosome and the father also had a nondisjunction for the same chromosome(A sperm cell with no 9th chromosome fertilized an ovum with two 9 chromosomes).
A person with AB cannot donate to a person with O because the receiver has antibodies(alpha and beta) that bind to the antigens on the AB blood cells, causing death.
Students who are effective at project management put off working on assignments until the last minute. complete assignments effectively and on time. organize their time and have the best ideas. ask their friends to do their work for them.
Answers
Answer:
It's B
Explanation:
I took the test
The students who are effective at project management complete assignments effectively and on time.
What do you mean by Project management?Project management may be defined as the application of processes, methods, skills, knowledge, and experience to achieve specific project objectives.
Effective and punctual students always completed their projects and assignments on time. These qualities give confidence and willingness to do more.
Therefore, the students who are effective at project management complete assignments effectively and on time.
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Rank each of the following in terms of their appearance in the cell during carbohydrate catabolism. 1 represents the first to appear, and 6 represents the last. (Assume only a single round of carbohydrate catabolism took place.)
(6 items)
(Drag and drop into the appropriate area)
First
1. Glucose
2. Fructose-1,6- bisphosphate
3. Glyceraldehyde-3. phosphate
4. Pyruvate
5. Succinyl-CoA
6. Citric acid
Answers
Answer:
Explanation:
The correct order of above question is -
1. Glucose
2. Fructose - 1,6 - biphosphate
3. Glyceraldehyde - 3 - phosphate
4. Pyruvate
5. Citric acid
6. Succinyl co- A
Explanation - These all are the step of carbohydrate metabolism in a cell. The carbohydrate is catabolise and successively into smaller forms.
First four steps show the glycolysis process in which by use of ATP glucose molecule breakdown into simpler one.
Last two steps show the kerb's cycle in which citric acid (six carbon compound) is converted into succinyl co - A ( four carbon compound) .