Bioethics is the study of ethical, legal and the social issues that arise in the biomedical and the bio medicine research that will be arising in the life sciences.
What is the requirement of bioethical needs in our society ?In order to raise the valid questions and validations regarding the research and the various experiments that are happening in the field of research that whether they are following ethical norms or not.
Doctors Without Borders analyses strict neutrality along with impartiality in name of the universal and medical ethics and right to the humanitarian help and demands full and unhindered freedom in the exercise of its functions.
The correct answer is option C that encourages the doctors to treat patients without the any kind of restrictions and regulations along with the norms and the various authentic statements that can be accepted.
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which of the following conditions does not impact the supply of
watermelons
The condition that does not impact the supply of watermelons is the "demand for other fruits." The supply of watermelons is determined by factors specific to watermelon production, and not by the demand for other fruits.
The condition that does not impact the supply of watermelons is "demand for other fruits."
The supply of watermelons is determined by various factors, such as weather conditions, production costs, availability of resources, and market demand. However, the demand for other fruits does not directly affect the supply of watermelons.
To understand this better, let's break it down step-by-step:
1. Supply and demand: The supply of a product refers to the quantity of that product available in the market at a given time, while demand refers to the quantity of the product that consumers are willing and able to purchase at a specific price.
2. Factors affecting supply: Factors such as weather conditions (such as drought or heavy rain), production costs (such as labor, seeds, fertilizers), and availability of resources (such as land, water) can impact the supply of watermelons. For example, if there is a drought, watermelon crops may fail, resulting in a decrease in supply.
3. Demand for other fruits: While the demand for other fruits, such as apples or oranges, can impact their supply, it does not directly affect the supply of watermelons. Each fruit has its own market dynamics and factors that influence its supply.
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which of the following is not a function of the respiratory system? aids in defecation assists in the synthesis of vasodilators helps regulate blood pressure promotes the flow of lymph and venous blood control of ph
The respiratory system is a vital organ system responsible for the exchange of gases, mainly oxygen and carbon dioxide, between the environment and the body. The primary function of the respiratory system is to supply oxygen to the body and remove carbon dioxide from it. However, the respiratory system is also involved in several other functions, such as:
Helps regulate blood pressure: The respiratory system is involved in the regulation of blood pressure. During inhalation, the lung volume increases, and the pressure within the thoracic cavity decreases. This decrease in pressure helps in the flow of venous blood back to the heart, which reduces the workload on the heart and helps regulate blood pressure.
Control of pH: The respiratory system is also involved in regulating the body's pH levels. When the body produces excess acids, the respiratory system can eliminate them by increasing the rate and depth of breathing, which helps to remove carbon dioxide from the body, thus restoring the pH balance.
Promotes the flow of lymph and venous blood: The respiratory system is also involved in promoting the flow of lymph and venous blood. The pressure changes that occur during breathing help to move lymph and venous blood towards the heart.
Assists in the synthesis of vasodilators: The respiratory system is not directly involved in the synthesis of vasodilators. However, during exercise, the respiratory system increases the production of nitric oxide, which is a potent vasodilator. Nitric oxide helps to widen the blood vessels, which increases blood flow and oxygen delivery to the working muscles.
Aids in defecation: The respiratory system is not directly involved in aiding defecation. The digestive system is responsible for the elimination of waste products from the body.
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Question 10
Which of the following is NOT an indirect user of Sun's energy?
O Carnivores
Herbivores
Plants
o Decomposers
No new data to
this ones simple all the others don't use sunlight because they cant make food within themselves but plants on the other hand use direct sunlight to make their food unlike the others. ;]
Plants are not the indirect user of Sun's energy, they are the direct user of Sun's energy.
How plants use energy from the Sun?Plant uses the energy of the Sun directly in order to grow and develop. Plants use energy from the Sun by the process of photosynthesis to produce their own food. At the time of photosynthesis, the plants trap energy from the sunlight with the help of their leaves. Plants utilize the energy from the Sun to convert carbon dioxide and water into a sugar known as glucose.
The plants captivate the energy of the Sun with the help of chlorophyll present within the cells of the leaves. The chlorophyll packages and traps the sun energy in the process of photosynthesis.
Thus, plants rely directly on the energy of the Sun to generate the nutrients they require.
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Which two statements describe advantages of genetic engineering?
A. A genetically engineered crop that is resistant to insect pests could also harm helpful insects.
B. Crops can be genetically engineered to have useful traits that are not found in wild populations
C. Pollen from genetically engineered crops grown on farms can spread to nearby wild plants.
D. A genetically engineered crop that is resistant to pests can be grown without chemical pesticides
The two statements that describe advantages of genetic engineering are.
Crops can be genetically engineered to have useful traits that are not found in wild populations.A genetically engineered crop that is resistant to pests can be grown without chemical pesticidesWhat is genetic engineering?Genetic engineering, often known as genetic modification or genetic manipulation, is the technological modification and manipulation of an organism's DNA.
Plants can be genetically modified by inserting a certain DNA sequence into their genomes to confer new or different traits. This could entail altering the plant's growth pattern or conferring disease resistance on it.
Therefore, genetic engineering helps to improve plant species.
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10. Describe what happens in the system shown below. (3 marks)
HELPP WILL MARK BRAINLIEST
Answer:
this is a circulatory system
in this system the purification of blood is occurs between the lungs and heart
Explanation:
please make me brainlist answer
Which of the following is a subsystem of an organism? Please explain and I give you 5 stars.
A.cell
B.organ system
C.tissue
D.all of the above
Answer:
D
Explanation:
In multicellular organisms, the body is a system of multiple, interacting subsystems. Subsystems are groups of cells that work together to form tissues. Interactions are limited to the circulatory, excretory, digestive, respiratory, muscular, and nervous systems.
explain how the addition of acetyl groups to histones leads to a weaker association of dna in nucleosomes.
The ionic contact between phosphate and the lysine side chain is prevented by acetylation of the lysine side chain, which also reduces the interaction between the histone and the DNA.
What is histones ?
The protein known as a histone helps chromosomes maintain their structural integrity. A lengthy DNA molecule found within each chromosome needs to fit within the cell nucleus. The DNA does this by encircling assemblies of histone proteins, giving the chromosome a more streamlined form. In the control of gene expression, histones also have a part to play.
A nucleosome, which can be made up of eight histone proteins, is a possible configuration. When DNA is wound around a nucleosome, it resembles a small spool. Thus, histones are crucial in ensuring that the genome is well-organized and encased within a cell. Histone proteins can also be labelled in ways similar to open or closed business signs, which is another intriguing feature.
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2. The block diagram below represents two parallel mountain ranges.
T
Which two geologic processes most likely created this landscape region?
(1) volcanism, followed by metamorphism
(2) faulting, followed by deposition
(3) folding, followed by erosion
(4) glaciation, followed by rifting
Folding, followed by erosion are two geologic processes most likely created this landscape region, hence option 3 is correct.
What are geologic processes?When horizontal sedimentary rock is deposited on top of tilted and eroded rock strata, an angular unconformity develops.
Younger sediments are later deposited on top of the erosional surface when the lower older layers are inclined by folding or faulting and eroded.
Therefore, at or near the earth's surface, weathering (the process of breaking down rock) and erosion (the process of transferring rock material) reduce rocks to ever-tinier fragments.
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What must cells do as they reach the limit of their surface area to volume ratio?
As cells reach the limit of their surface area to volume ratio, they must employ certain strategies in order to survive and continue to grow.
The primary strategy that cells use to survive and continue to grow when they reach the limit of their surface area to volume ratio is to divide. Cell division is the process of one cell splitting into two identical daughter cells. This process is essential for cellular growth, as it allows the cell to divide its surface area and volume, thus lowering its surface area to volume ratio. This allows the daughter cells to exchange material with their environment more efficiently than the original cell did.
Another way that cells can increase their surface area to volume ratio is by forming protrusions from their surface. These protrusions, also known as microvilli, are small folds of the cell membrane that increase the cell’s total surface area. This allows the cell to exchange material with its environment more efficiently, and thus allow it to continue to grow.
Cells can also increase their surface area to volume ratio by forming internal structures known as vacuoles. Vacuoles are small, membrane-bound structures that are filled with various substances, including water and enzymes. These substances can help the cell exchange materials with its environment more efficiently, thus allowing it to continue to grow.
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Where are proteins that are used in the cytoplasm translated?
Proteins that are used in the cytoplasm are translated in the cytoplasm itself, specifically on ribosomes.
Ribosomes are the molecular machines responsible for the synthesis of proteins by linking amino acids together in a specific order according to the instructions carried by messenger RNA (mRNA). Ribosomes facilitate the process of translation, converting the information from mRNA into the amino acid sequence of the protein.
The ribosomes themselves are made up of two subunits, one large and one small, and they can be found either free-floating in the cytoplasm or attached to the endoplasmic reticulum (ER).
Once the protein is fully synthesized, it can then be folded and modified as needed before carrying out its specific function within the cytoplasmic environment.
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Which of these is a producer? moth mushroom fern cheetah
Answer:
dear
from the above options fern is a producer
Answer:
ferns!
Explanation:
The independent variable is the variable that is changed in an experiment. a True b False
True.
Explanation:
An independent variable is what is changed by the scientist experimenting, or you. An easy way to remember this is that independent starts with an "I", which "I" am the one that manipulates the variable. A good experiment only has one independent variable.
A dependent variable is the data of the experiment. This could be the impact a drug has on individuals, how much a plant has grown, test scores of students, etc. What is measured at the end of an experiment is the dependent variable.
A control variable is something that is stayed constant throughout the experiment. This could be the amount of water, type of soil, amount of light, the color of light, etc. These things are not changed.
3. A child has brown hair and brown eyes. His
father has brown hair and blue eyes. His mother
has red hair and brown eyes. The best explana-
tion for the child having brown hair and brown
eyes is that
(1) a gene mutation occurred that resulted in
brown hair and brown eyes
gene expression must change in each genera-
tion so evolution can occur
(3) the child received genetic information from
each parent
(4) cells from his mother's eyes were present in
the fertilized egg
7.
Answer:
25%
Explanation:
Parent 2's phenotype is dominant in the first trait, recessive in the second trait, and dominant in the third trait. Parent 2 is predicted to have 1664 children, or 25% of them, with the same trait. AabbCC and AabbCc are their genotypes.
a reaction in a major metabolic pathway seen in plants has a standard free-energy change that is -36 kj/mol. however this reaction is reversible in the plant cell. assuming this reaction takes substrate a to product b, give an explanation for these observations.
The reaction is reversible in the plant cell due to the presence of enzymes that can catalyze the forward and backward reactions with similar efficiencies.
The standard free-energy change of a reaction refers to the energy released or absorbed when the reaction occurs under standard conditions. However, in living cells, reactions occur under non-standard conditions, including the presence of enzymes, substrates, and products at various concentrations.
The presence of enzymes allows the reaction to proceed in both forward and backward directions, as the enzymes can catalyze the conversion of substrate A to product B, as well as the reverse reaction of product B to substrate A.
In addition, the concentrations of substrates and products are not fixed in living cells and can be regulated by the cell through feedback mechanisms or other pathways. As a result, even though the standard free-energy change of the reaction is -36 kJ/mol, the reaction can still proceed in both forward and backward directions in the plant cell, depending on the concentrations of substrates and products and the activity of the enzymes involved.
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One of the pieces of evidence for evolution that Charles Darwin collected on his travels aboard the HMS Beagle was the observation of fossils of extinct animals and similar, but noticeably different species. Giant ground sloth fossils were very similar in shape to the bones of sloths that inhabited the regions of South America he was exploring. The main difference was the size, as the ground sloth fossils were significantly larger that the bones of the sloths he captured alive. What was a conclusion that Darwin was able to arrive to based on this piece of evidence
Answer: Darwin was able to arrive at a conclusion that there was no relationship between the fossils of the ground sloth and the bones of the captured sloths that currently reside in South America.
Explanation:
Evolution is defined as the sum total of adaptive changes that have taken place over a very long period of time. It leads to the development of new species from earlier ones. Evolution is an extremely slow process. It is difficult to obtain direct evidence of evolution in action. However, scientist such as Darwin, have gathered a great deal of indirect evidence that supports the theory of evolution. These evidence comes from many sources including:
--> fossils records
--> biochemical similarities
--> molecular records
--> Comparative anatomy and
--> embryology.
FOSSILS RECORDS shows the existence of species that are now in extinct which lived on Earth during different periods of the planet's history. They provide evidence that organisms from the past are not the same as those found today due to adaptive changes that has occurred over a long period of time on the organism in order to survive in its environment.
There was no relationship between the sloths because of the difference in BONE MASS.
A group of biologists were investigating the effects of light color on phototropism (growing toward the light source) in tomato plants. Four groups of tomato plants were grown in the same greenhouse under identical conditions. Each group was then placed in a different room, each room having a different color of light, exposed to that single color of light from different directions for one week at a time. After each week, the biologists counted the number of tomato plants in the groups that were showing evidence of phototropism. The results are summarized in Table 1.Which of the following correctly identifies the dependent and independent variables in this experiment?The percentage of plants showing phototropism is the dependent variable, and the color of the light is the independent variable.
The dependent variable is the response of the tomato plants to the different colors of light, while the independent variable is the color of the light itself.
In this experiment, the dependent variable is the percentage of tomato plants showing phototropism. This is because the biologists are measuring the effect of the independent variable, which is the color of the light, on the behavior of the tomato plants.
The independent variable is the variable that the researcher manipulates or changes in order to observe its effect on the dependent variable.
In this case, the independent variable is the color of the light. The biologists exposed the four groups of tomato plants to different colors of light, each for one week at a time, and then counted the number of plants showing evidence of phototropism.
The results are summarized in Table 1. By manipulating the independent variable, the biologists were able to observe the effect of different colors of light on the behavior of the tomato plants.
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Why might a plant cell need to have a bigger vacuole than an animal cell?
Answer:
A plant cell might need a bigger vacuole than an animal cell because when a plant has stopped growing, there is usually one very large vacuole, sometimes taking up more than half of the cell’s volume; plants have a large sized vacuoles because it also provides turgidity and rigidity to the plant.
how is the mississippi river Important to the US development
Answer:
It is also one of the world's most important commercial waterways and one of North America's great migration routes for both birds and fishes. Native Americans lived along its banks and used the river for sustenance and transportation.
Explanation:
1. which of the following statement describe how the prokaryotic cells appear compared to the eukaryotic cells? A. the prokaryotic cells have cell membrane will the aquatic cells do not. B. the prokaryotic cells have a nucleus while the aquatic cells do not. C.the prokaryotic cells are much smaller than the aquatic cells D. the prokaryotic cells have cytoplasm and ecori attic cells do not.
2. Does a prokaryotic cell have a cell wall?
The prokaryotic cells appear much smaller than the aquatic cells when compared to the eukaryotic cells.
Prokaryotes are one of the oldest groups of living organisms on the planet, with fossil records dating back nearly 3.5 billion years. Prokaryotic cells are those that lack a true nucleus or membrane-bound organelles. These are microbes with one cell. Bacteria and Archaea are examples of prokaryotes, while cyanobacteria are examples of photosynthetic prokaryotes.
Eukaryotes are larger and more complex than prokaryotes. Except for Kingdom Monera, they include almost all of the major kingdoms.
Eukaryotes have a cell wall, which supports and protects the plasma membrane. The plasma membrane surrounds the cell and regulates the entry and exit of various substances.
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clinicians and the public are excited about the prospects of replacing damaged and diseased tissues with patient-derived (autologous) cells. using autologous cells, as opposed to cells from a donor, avoids complications such as immune rejection. what series of steps could lead to the production of smooth muscle cells from the fibroblasts of a patient?
Series of steps could lead to the production of smooth muscle cells from the fibroblasts of a patient are as follows:
Obtain fibroblastUse transcription factor to covert fibroblast to ips cell.Grow ips cell in culture.Use transcription factor to convert ips cell to smooth muscle cell.What is a fibroblast?
The oval, speckled nucleus of fibroblasts has two or more nucleoli and is surrounded by branching cytoplasm. Rough endoplasmic reticulum, which is present in large amounts, is a hallmark of active fibroblasts. Smaller, spindle-shaped, and with less rough endoplasmic reticulum, inactive fibroblasts (also known as fibrocytes) are known. Fibroblasts commonly align locally in parallel clusters when packed, despite being disorganised and dispersed when they must cover a vast area.To know more about fibroblasts, click the link given below:
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at what time should we definitely seek shade to avoid sun exposure? between 6am and 8am between 8am and 10am between 10am and 4pm between 4pm and 10pm
SCIENCE. PLEASE HELP!!!!
Answer:
Between 10am and 4pm
Explanation:
This is when the sun is at its higest point, allowing it to radiate more UV rays on your skin.
Answer:
during the time btw 10 am to 4 pm because sun is scorching at that time so you should seek shade btw this time
what do you predict will happen to the paramecium cell when it is placed in a freshwater environment?
The contractile vacuole removes excess water, prevents swelling/bursting.
What is paramecium?
Paramecium or Paramoecium is a eukaryotic, unicellular organism. It comes under the ciliate group. They have thousands of cilia covering their body, which is how they are characterized. They are mostly found in freshwater, marine and brackish water. Paramecium are also found attached to the surface at times.
Paramecium primarily reproduce asexually (binary fission). They also show conjugation and are slipper-shaped. They are easily cultivated and are widely used to study biological processes.
So, therefore, the contractile vacuole removes excess water which prevents swelling/bursting.
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How do you predict the embryo of an
eagle would compare to the embryos
shown in the photographs? Apply patterns
to make your prediction.
Answer:
✏Embryology Evolution Evidence. Darwin’s theory of biological evolution noted that all vertebrates have gill slits and tails in early stages of embryo formation, even though these features may be lost or modified in the adult-form phenotype. For instance, human embryos have a tail that becomes the tail bone.
Explanation:
5. what were your positive and negative controls for each biomolecule when testing the unknown? explain why you chose each control bolditalicunderline
Positive controls are used to validate the experimental process or equipment by giving the predicted outcome. Negative controls are distinguished by the absence of reagents or components required for effective analyte detection.
Positive controls are samples that contain recognised DNA or protein fragments and move in a certain way on the gel. This form of control is utilised to check whether or not the gel was correctly run.
A negative control sample is one that does not contain any DNA or protein. The negative control is used to ensure that there is no reaction to the chemical or microbe (or any other parameter) employed in the experiment.
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Roads are sometimes salted in the winter to prevent ice build up. When the ice and snow melt, the water can also carry salt off the road. What would you hypothesize would happen to plants along the roadside?
Answer:
See the answer below
Explanation:
When the salt water resulting from using salt to thaw ice and snow is washed off the road, the nearby plants along the roadside would be subjected to osmotic stress due to the lower water potential of the soil water when compared to that of their cells. Consequently, the plants are expected to lose water to the surrounding salt solution until an equilibrium is established between their cytosols and the soil solution.
the nurse is performing a respiratory assessment of a patient who has been experiencing episodes of hypoxia.
The respiratory assessment is one of the essential steps for identifying various respiratory complications and monitoring the respiratory functions of the patients. When it comes to a patient who has been experiencing episodes of hypoxia, a nurse should perform a respiratory assessment and identify the underlying cause of hypoxia.
The nurse should observe the patient for signs of hypoxia, such as cyanosis, shortness of breath, rapid breathing, tachycardia, and confusion. The nurse should assess the patient's lung sounds, chest expansion, and respiratory rate and rhythm to identify any abnormalities.The patient's oxygen saturation level should also be measured using pulse oximetry to confirm hypoxia.
Once the cause of hypoxia is identified, the nurse should initiate appropriate interventions to manage the hypoxia and improve the patient's respiratory functions. The interventions may include providing supplemental oxygen, administering bronchodilators or diuretics, encouraging deep breathing, and maintaining adequate hydration. It is also essential to monitor the patient's respiratory status continuously and document the assessment findings and interventions taken.
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The number of individuals of a single species per unit area is
A. carrying capacity.
B. logistic growth.
C. population density.
D. population growth rate.
Answer:
C; The number of individuals of a single species per unit area is known as. population density.
Explanation:
Hope this helped, Have a Wonderful Day!!
Answer:
c
Explanation:
the stage of the growth curve where the bacteria are producing molecules necessary for cell division, but not undergoing cell division is called the ___________
The stage of the growth curve where the bacteria are producing molecules necessary for cell division, but not undergoing cell division is called the lag phase.
The lag phase is a time of adaptation during which the bacteria are becoming used to their new surroundings. Depending on how different the current conditions are from the ones the bacteria originated in as well as the state of the bacterial cells themselves, the length of the lag phase can range significantly. The four phases of a bacterial growth cycle are lag, exponential (log), stationary, and death. The bacterial growth curve shows the evolution of a bacterial population's live cell count over time. The development curve goes through four distinct phases: lag, exponential (log), stagnant, and death.
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FAST
I WILL GIVE BRAINLIEST The table below shows the volume of two samples, X and Y, when placed in three containers of different volumes.
Volume of Samples
Volume of Container Volume of Sample X Volume of Sample Y
200 mL 200 mL 200 mL
500 mL 200 mL 500 mL
600 mL 200 mL 600 mL
Which of the following correctly describes the state of matter of one of the samples? (5 points)
Y is a gas because it has a definite volume.
X is a liquid because it has a definite volume.
Y is a liquid because it fills up the entire container.
X is a gas because it fills up the entire container.
Answer:
X is a liquid because it has a definite volume.
Explanation:
hope this helps, mark brainliest please :)
1 A. how is DNA Replicated
DNA replication occurs in three major steps which are the opening of the double helix and the separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.
What is DNA replication?DNA replication is defined as the biological process of making two identical copies of DNA from a single original DNA molecule that occurs in all living organisms, serving as the most essential part of biological inheritance.
DNA replicates in the S phase of the cell cycle and begins at specific regions in the DNA called DNA replication 'origins'. Many proteins participate in DNA replication and the process is subject to a check by cell surveillance mechanisms called cell cycle checkpoints.
Thus, DNA replication occurs in three major steps which are the opening of the double helix and the separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.
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