The peer review process not only provides excellent expert recommendations, but it also serves as a strong incentive for authors to improve the quality of their paper.
Wat is peer review?Peer review is the process of work by one or more people who have similar competencies to the work's producers. It serves as a form of self-regulation by qualified members of the relevant profession.
Scientific knowledge is a body of trustworthy new information about the physical world. It is obtained through an intensive data collection, experimentation, and analysis process.
Scientific knowledge is a generalized body of laws and theories developed through the scientific method to explain a phenomenon or behavior of interest.
Theories are systematic explanations of the underlying phenomenon or behavior, whereas laws are observed patterns of phenomena or behaviors.
Thus, this is the difference in the given scenario.
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The Canadian goose flies south for the winter to avoid the extreme cold. Which characteristic of life does this behavior best illustrate?
response
growth and development
cellular organization
metabolism
The characteristic of life that the behavior of the Canadian goose that flies south for the winter to avoid the extreme cold illustrates is response.
Which characteristic of life does the behavior of the Canadian goose that flies south for the winter to avoid the extreme cold illustrate?The characteristics of life are those characteristics or attributes that living things possess.
The characteristics of living things include the following:
Movement RespirationNutritionResponseGrowth and developmentExcretionReproductionCellular organizationMetabolismResponse is the ability of an organism to respond to changes in its internal or external environment.
Therefore, the movement of the Canadian goose to the south for the winter to avoid extreme cold is an example of response.
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Which metabolic system is most responsible for providing energy for explosive power moves that are short, such as a single tuck jump or single burpee?
ATP-PC metabolic system is most responsible for providing energy for explosive power moves that are short, such as a single tuck jump or single burpee.
The muscle molecule creatine phosphate (CP), which is stored there, is used by the ATP-PC system to resynthesize ATP. This molecule's disintegration releases the energy required for the ADP & free phosphate to recombine and create ATP.
Examples - The Alactacid Energy System (ATP/PC) is the dominating system in activities like a 100-meter sprint, discus, javelin, high jump, and other sports with extremely brief durations because of the speed at which ATP is produced and the short duration of the fuel supply.
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A measurement of a liquids resistance to flow is known as __________?
Answer:
Viscosity
Explanation:
A fluid with low viscosity flows easily because its molecular makeup results in very little friction when it is in motion.
what does the fittest mean in the evolution sense
What term is used to describe public/private partnerships, such as the liverpool direct call center, that brings together private sector systems and technology expertise with public sector services and values?.
Public-Private Partnerships (PPP) is used to describe public/private partnerships, such as the Liverpool direct call center, that brings together private sector systems and technology expertise with public sector services and values.
The public-private partnership can be described as a partnership that a government makes with a specific private organization in order to benefit the public.
A public-private partnership helps the government in finding a specialized private company that will work best for a certain public issue such as technology, transportation betterment, or social service. The government then collaborates with the private organization so that better outcomes for the public are provided.
The Liverpool direct call center is an example of a public-private partnership in which expert technological services are provided by the private sector so that services of the public sector can be enhanced.
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Eukaryotic cells store their dna in the form of linear chromosomes. This creates problems for replication of dna at the ends of the chromosomes because?.
Storing DNA in the form of linear chromosomes creates problems for replication of dna at the ends of the chromosomes because DNA polymerase can only synthesize DNA in the 5' to 3' direction and it's difficult to reach the ends of the linear strands.
The replication mechanism for DNA has a physical size. As a result, towards the ending of a linear chromosome's DNA chain, there simply isn't enough physical room for the replication complex to remain connected to the remaining DNA and finish the replication of the last few base pairs.
It is challenging to replicate linear DNA molecules because it is difficult for the enzymes involved in replication to reach the very end of the linear strands. As a result, a small number of nucleotides are lost from the ends of each chromosome with each replication, leading to a gradual shortening of the chromosomes over time. Eukaryotic cells overcome this difficulty with an enzyme called telomerase, which establishes repeating DNA sequences called telomeres at the ends of chromosomes.
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Scientists prefer to base their conclusions on the largest possible amounts of data. Why is this the best
methodology?
Answer:
With more available proof they are more likely to be correct than wrong since they have more evidence.
put the following events associated with thyroid hormone production and release in the correct sequential order. metabolism is regulated. iodine is concentrated by the thyroid gland. thyroxine and triiodothyronine are produced. iodine is combined with the amino acid tyrosine.
The correct sequential order of thyroid hormone production is: (2) iodine is concentrated by the thyroid gland. → (4) iodine is combined with the amino acid tyrosine. (3) thyroxine and triiodothyronine are produced. (1) metabolism is regulated.
Thyroid hormone is responsible for regulating the body's metabolism and growth. The production of the thyroid hormone is regulated by the hypothalamus. There are two thyroid hormones: thyroxine and triiodothyronine.
Iodine is a chemical element essential to maintain various body functions. The production of thyroid hormones is greatly dependent on the presence of iodine. Foods rich in iodine are: dairy products, eggs, chicken, etc.
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Describe the change in the duration of insolation in the Northern Hemisphere as the Earth moves in its orbit from position B to position D
As the earth moves in its orbit from position D to position B, here we see that the Southern Hemisphere receive much more light than the Northern Hemisphere which in effect means that the Southern Hemisphere has more hours of sunlight per day.
What is the Insolation?Insolation is the amount of solar radiation that is received by a planet.
From the diagram we have, it show the earth and sun in different positions during the different times of the day and the position of the earth each year.
The diagram has each position representing one season. The northern hemisphere will receive the most sunlight when the earth is tiled more towards the north such as the diagram on the left-hand side will get maximum insolation due it the vertical rays of the sun.
Because of the fact that we have 12 hours of the day and 12 hours of night time. Hence the earth rotating on it axis will have sunlight for most hours per day.
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All scientific research involves experiments true or false
Answer:
This is very true
Explanation:
Answer:
This is very true
Explanation:
The diagram illustrates the movement of molecules through a cell membrane.
What process is being used by the cell to move the molecules?
osmosis
osmosis
endocytosis
endocytosis
active transport
active transport
facilitated diffusion
The process that is being used by the cell to move the molecules is facilitated diffusion.
What is facilitated diffusion?Facilitated diffusion is a type of passive transport in which a molecule passes through the biological membrane by means of proteins that are in the cell membrane. This transport will be in favor of the concentration gradient, so there will be no need to spend energy to make it go against the gradient.
It is said that it is a facilitated diffusion since there will be a channel that allows this passage, since it will not be able to pass through the membrane, either because of the electric charge of the molecule or because of its size.
Therefore, we can confirm that the process that is being used by the cell to move the molecules is facilitated diffusion.
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5) what are the specific processes (and intracellular locations for each) by which the information in dna leads to the production (or synthesis) of a protein that is destined for the cytosol?
The information in dna leads to the production are type of RNA that contains the information for making a protein is called messenger RNA because it carries the information, or message, from the DNA out of the nucleus into the cytoplasm.
Pre-mRNA transcripts are created during transcription by the enzyme RNA polymerase (green), which uses DNA as a template (pink). The pre-mRNA gets transformed into a mature mRNA molecule, which can then be translated to produce the protein molecule (polypeptide) that the original gene intended.Gene expression is the process through which information from a gene is applied to create a usable product. A polypeptide-encoding gene is expressed in two stages. The core postulate of molecular biology is that information passes from DNA through RNA and protein in this process.One of the liquids present inside cells is the cytosol, which is also known as the cytoplasmic matrix or groundplasm. Membranes divide it into compartments.To learn more about DNA.
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A geologist is studying a rock sample at the base of a volcano. The geologist notes that the crystals in the rock are particularly fine-
grained
Which conclusion can be drawn from these observations?
O The rock formed from clasts that cemented together.
O The rock is an intrusive igneous rock that cooled slowly
O The rock metamorphosed after being exposed to high levels of pressure.
The rock is an extrusive igneous rock that cooled quickly
Answer: the correct answer is D the rocks an extrusive igneous rock that cooled quickly
Explanation:
The length of an Earth year is based on Earth's
a. rotation of 15 degrees/hour
b. revolution of 15 degrees/hour
c. rotation of approximately 1 degree/day
d. revolution of approximately 1 degree/day
Answer:D
Explanation:
Draw one lipid monomer and explain why they don't polymerize
A lipid does not polymerize because it consists of fatty acids and glycerol.
What are lipids?Lipids are the type of compound that are formed from the combination of glycerol (propane- 1,2,3- triol) and three fatty acids. This implies that the term lipid is a sort of an ester. The base is the glycerol which is a trihydric alkanol and is capable of combining with three molecules of fatty acids.
We can see that what we have in lipids is in fact not a polymer but just a chemical reaction that coupled the three hydroxyl groups of glycerol to the same or different fatty acids.
As such, the lipid molecule does not polymerize as you can see from the image that is attached to this answer.
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When using dialysis bags to study osmosis in this lab whether or osmosis occurred is determined by measuring the.
Using the dialysis bags to study the osmosis in this lab to know whether or osmosis occurred is determined by measuring the pressure
A dialysis bag is a semipermeable membrane that is holds the fluids typically which are removed by the kidneys. Your kidneys are the responsible for removing the excess fluids, minerals, and the waste from the body. Dialysis tubing, is also known as the Visking tubing, is an artificial semi-permeable membrane tubing used in the separation techniques, that was facilitates by the flow of the tiny molecules in the solution based on the differential diffusion. the Dialysis tubing is the semi-permeable membrane, and usually made of the cellulose acetate.
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You are looking at onion cells under an microscope and wants to khow hoow big the cells really are you mesuare the size of the cells as it appears and find out that it mesuares 20mm with a magnification of a x1000 work out the actual sixe of the cell
The actual size of the onion cells under microscope is 0.02 mm
Magnification = Image / Actual
Image= 20 mm
Actual= x mm
1000x = 20 mm/ x mm
Actual = 0.02mm
Magnification is the number of times a picture is magnified in comparison to the actual size of the thing. The overall magnification of a microscope is determined by the eyepieces and the objective lens. A biological microscope with 10x eyepieces and a 50x objective, for example, has a magnification of 500x. Hence, the actual size of the onion cells is 0.02 mm, when placed under a microscope with a 1000x magnification it image size now becomes 20 mm.
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describe the motion of fluid as it transfers energy.
What are reactants in a chemical reaction?
A.substances that are formed by reactions
B.outputs
C.inputs
D.substances that speed up reactions
Answer:
A reactant is a substance that is present at the start of a chemical reaction .
i will go for A
Answer:
C
Explanation:
Help please.
When an organisms passes on some unique traits to their offspring, which characteristic of life is this?
Growth and development
Organization
Homeostasis
Heredity
Answer:
Correct answer is heredity
5. Why do you think some people have a difficult time believing that global warming is real?
The false media report and scientist conspiracy make the people believe that global warming is not real.
Global warming means the increase in the concentration of carbon dioxide in the environment which causes the increase in the temperature of the surroundings.Due to this reason , the climate is getting hotter .This is actual fact proven by the scientists but sometimes the climate change news is given by the media not scientist which sometimes a false news and society won't accept it.sometimes there is actual debate between the media news and the climate scientist but doesn't means that the scientist are wrong or media are wrong.Also there is big conspiracy in the climate research report because of wrong experiment as a result scientist are not able to represent the actual fact of global warming and climate change.For this reasons the people do not believe that global warming is real.
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All cells must carry out three basic functions to grow and pass on life. How do cells perform these three basic functions?
Answer:
cells are the basic building block of all living things
Explanation:they provide structure, protection, support for the body by taking nutrients from food, convert those nutrients into energy.
it facilitates growth by mitosis
Cells carry out three basic functions to grow and pass on life. Cells divide by the process of meiosis and to carry out these functions they require minerals and energy in the form of ATP.
What are basic functions of cells?The basic functions of cells is to provide the structure for the body, taking in of the nutrients from the food we eat, conversion of the nutrients into energy, and carrying out the specialized functions.
Cells carry out many different basic functions which are needed to sustain life. Cells grow and divide, to produce many more cells which performs the exact functions. This requires the uptake of nutrients which are used up by the cells to provide energy for the work that cells perform and to make the materials which a cell or an organism needs to function properly.
Cells divide by the process of mitosis and meiosis. Mitosis is the equational division which occurs in all types of cells whereas meiosis occurs in the germ cells only.
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Which of the following is not a part of the cell theory?
Cells come from existing cells
cells are non-living units that make up organisms
Ocells are the basic units of structure and function in organisms
all living things are made of cells
Answer: cells are non-living units that make up organism
The drugs usually used to treat high blood pressure do not affect blood vessels in the lungs.
Bosentan is a new drug being studied as a treatment for high blood pressure in the lungs. In an
experiment, patients treated with bosentan showed an improvement in the distance they could walk
without fatigue within 12 weeks. Design an experiment to test the effectiveness of bosentan as a drug
to treat high blood pressure in the lungs. In your answer be sure to:
• state the hypothesis your experiment will test [1]
state how the control group will be treated differently from the experimental group [1]
state two factors that must be kept the same in both the experimental and control groups [1]
state the type of data that should be collected to determine if the hypothesis is supported [1]
The high blood pressure of lungs, PPH, or primary pulmonary hypertension, is a condition that can be fatal. Nonparenteral prostanoids, such as oral beraprost sodium or aerosolized iloprost, exhibit positive therapeutic results but are insufficiently active in all patients suffering from this fatal condition.
The goal of this trial was to examine the safety and efficacy of endothelin-receptor antagonist bosentan in individuals with PPH who were previously receiving nonparenteral prostanoids.
20 PPH patients who had either oral beraprost (n=11) or inhaled iloprost (n=9) for a median of 16-13 months had their effects of bosentan as an add-on medicine evaluated using the 6-minute walk test and cardiopulmonary exercise testing. Bosentan was added to prostanoids for 3 months, resulting in a 58.43 m increase in waking distance in the 6-minute walk test. Cardiopulmonary .The combination treatment of prostanoids and bosentan raised some safety issues when the combination therapy was first implemented. These individuals, some of whom already had blood pressure readings in the hypotensive range, were feared to develop hypotensive problems. No consequences, meanwhile, were found that would have pointed to substantial hypotension.The peak systolic blood pressure during activity was also considerably higher in the patients getting combination treatment, as was already indicated above.Finally, the current investigation has produced three original results. First, the findings of the 6-minute walk test significantly improved when the endothelin- receptor antagonist bosentan was added to the treatment of a subset of patients with primary pulmonary hypertension who were already receiving beraprost or inhaled iloprost. The addition of bosentan resulted in appreciable improvements in peak systolic blood pressure, anaerobic threshold, oxygen pulse, ventilatory efficacy, and maximal oxygen consumption during exercise, according to cardiopulmonary exercise tests. Thirdly, the use of nonparenteral prostanoids in combination with bosentan was safe, at least during the relatively brief observation period.
These results present a unique therapeutic approach for individuals with primary pulmonary hypertension for whom nonparenteral prostanoids alone are insufficiently efficabious, and they should stimulate rigorous research to evaluate if combination therapy with prostanoids and bosentan is effective
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whats the lipid bilayr that forms the outer boundary of the cell
Answer:
phospholipid bilayer
Explanation:
phospholipid bilayer
Fill in the blank
According to biologists _____ millions different species have been identified, but ____ of millions remain to be discovered. And _______________ new species are discovered every year.
Answer:
According to biologists 1.2 millions different species have been identified, but 8.7 of millions remain to be discovered. And 18,000 new species are discovered every year.
Explanation:
Hope it helped!
Bernard wants to find out how the behavior of elephants in a zoo differs from the behavior of elephants in the wild.
What sort of study would be best for Bernard to do?
A.
an experimental study with only one independent variable
B.
an experimental study with two independent variables
C.
an observational study in a zoo and in the wild
D.
an observational study in a zoo only
The study to find out how the behavior of elephants in a zoo differs from the behavior in the wild should be an observational study in a zoo and in the wild (Option C).
What is an observational study?An observational study is any type of scientific investigation that involves collecting many different data by observational procedures instead of experimentation.
In conclusion, The study to find out how the behavior of elephants in a zoo differs from the behavior in the wild should be an observational study in a zoo and in the wild (Option C).
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There is little sunlight at high latitudes during the winter, so few crops can grow even if temperatures are regulated. to address this problem, special lamps can be used in greenhouses. these lamps allow plants to grow during the winter months. scientific knowledge of which topic was necessary to solve this problem? the temperature that promotes the fastest growth in plants the colors of light that plants require for photosynthesis the frequencies of light that cause the least water loss in growing plants the amount of heat generated by artificial lamps
There is little sunlight at high latitudes during the winter, so few crops can grow even if temperatures are regulated. To address this problem, special lamps can be used in greenhouses. These lamps allow plants to grow during the winter months. The scientific knowledge of the topic 'the colors of light that plants require for photosynthesis' was necessary to solve this problem.
The plants only use a specific wavelength or color of light from the sunlight, whereas the rest of the light is reflected back and is not used. The specific wavelengths that are required by green plants for photosynthesis are present in violet and red light.
However, red light does not have energy hence it is the violet light that is most actively involved in the process of photosynthesis.
In the scenario above, although moderate temperatures were provided to plants at high altitudes, they couldn't get enough wavelengths from sunlight that were required for photosynthesis. The usage of specific lamps allowed them to filter colors and use the ones that were needed for photosynthesis.
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How do cells deal with mutations?
Cells deal with mutations by minimising the incidence of mutation through the DNA-repair enzymes.
What is mutation?Mutation is defined as the changes or the alterations that occur during replication of DNA (deoxyribonucleic acid) leading to production of a faulty DNA sequence in cells of living organisms.
Examples of mutation include the following:
Substitution mutation,Insertion mutation,Deletion mutation,Inversion mutation.When mutation occurs in the cells of a living organism, another process is being enhanced to limit the on going mutation in the cells.
One of the process is the production of DNA-repair enzymes which acts by minimising the number of mutations that occurs.
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Suppose actively dividing eukaryotic cells were treated with a chemical that blocks the activity of the enzyme telomerase. What would happen to these cells?.
If actively dividing eukaryotic cells were treated with a chemical that blocks the activity of the enzyme telomerase, then these cells would lose DNA at the ends of the chromosomes over many generations.
Telomerase are enzymes that play a major role in maintaining the proper chromosomal length of chromosomes. They help in the formation of telomers which are repetitive sequences found at the end of each chromosome. This unique repetitive sequence helps in keeping the chromosomes intact.
If the activity of telomerase will be blocked, telomers will not be able to form. Due to this, sections of DNA will be continuously lost from the chromosomes as there will be no telomers at the end. As more and more DNA will be lost, the integrity of the chromosomes will not be maintained.
Without telomerase, the ends of the DNA will also not be able to replicate. Hence, causing DNA to be lost over many generations.
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