Answer:
The independent value or the independent variable
A researcher grows many generations of mouse skin cells in petri dishes and exposes some of them to a red wine extract. These cells never turn cancerous. The cells not exposed to the red wine extract do eventually turn cancerous. The researcher concludes that if people drink red wine regularly, they are less likely to get cancer of any kind. Is this an example of a good or bad scientific conclusion? Explain why.
This conclusion is a bad scientific conclusion for several reasons: correlation is unequal to causation, limited sample size and so on.
What makes a wrong conclusion?Correlation does not equal causation: The fact that the cells exposed to red wine extract never turned cancerous does not mean that drinking red wine prevents cancer. There could be other factors at play that the researcher did not consider.
Limited sample size: The study only used mouse skin cells and did not examine the effect of red wine on other types of cells or on whole organisms.
Lack of control group: There was no control group to compare the effects of red wine extract to. A control group would help determine if the results were due to red wine extract or due to other factors.
In summary, this conclusion is based on a limited, poorly designed study and is not a valid scientific conclusion. Further research is needed to properly assess the potential benefits or drawbacks of red wine consumption on cancer.
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Transcribe the following DNA strand to create a molecule of mRNA.
TAC CAA AAA ATG ACT
Select the best word from the parentheses to complete the following statements.
Answer:
29. =Ribosome
30.=Anticodons
31.=Translation
32.=Translation
Explanation:
Answer:
29. is B
30. is B
31. is A
32. is B
Which statement below is true
Answer: NO
Explanation:
No
Answer:
the bottom right is the true one
Why would an increase in the temperature of the oceans contribute to a rise in the
sea level?
Question 1 A person without the allele for sickle cell anemia has children with a person who is a carrier for sickle cell anemia but doesn’t have the disease. What percentage of their children will have sickle cell anemia? What percentage of their children will be carriers for sickle cell anemia? Show your work with a Punnett square. You can copy/paste the blank table below or create a table in the submission box to complete the Punnett square.
Question 2 ⦁ Some types of muscular dystrophy are X-linked recessive disorders. A mother who is a carrier for muscular dystrophy has children with a father who doesn’t have muscular dystrophy.
⦁ What percentage of their sons will have the disease, and what percentage of their sons will be carriers? 100% will have disease 0 will carry
⦁ What percentage of their daughters will have the disease, and what percentage of their daughters will be carriers? 0 will have the disease 100% will carry
Show your work with a Punnett Square, using XD to represent the allele not associated with muscular dystrophy and Xd to represent the allele associated with muscular dystrophy. You can copy/paste the blank table below or create a table in the submission box to complete the Punnett square
1. Percentage of their children with sickle cell will be 0
Percentage of their children that will be carriers for sickle cell would be 50%
2. Percentage of their sons that will be carriers will be 0
Percentage of their daughter that will have the disease will be 0.
Monohybrid crossingQuestion 1
Assuming that the allele for sickle cell is s.
The genotype of someone without the allele = SS
The genotype of someone who is a carrier = Ss
SS x Ss
SS Ss SS Ss
Percentage of offspring with sickle cell (ss) = 0
Percentage of offspring that is a carrier = 1/2 or 50%
Question 2
Assuming that the allele for muscular dystrophy is a.
Genotype of a carrier mother = [tex]X^AX^a[/tex]
Genotype of a free father = [tex]X^AY[/tex]
[tex]X^AX^a[/tex] x [tex]X^AY[/tex]
[tex]X^AX^A[/tex], [tex]X^AY[/tex], [tex]X^AX^a[/tex], [tex]X^aY[/tex]
Percentage of their son that will be carrier = 0
Percentage of their daughters that will have the disease = 0
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EXPLAIN THE POSSIBLE IMPACT OF
RELEASING AN INFECTIOUS DISEASE
IN AN EFFORT TO REDUCE AN INSECT
POPULATION,
Put on light-colored, long-sleeved shirts and long, tucked-in pants, and cover exposed skin and clothing with insect repellant.
What is the best way to prevent an insect infection?Apply insect repellent, Use insect repellent with 20–30% DEET on exposed skin, clothing, and other items to protect against mosquitoes, ticks, and other insects. Put on appropriate attire, employ bed nets, Watch alert for outbreaks.
The infections that biological vectors like ticks and mosquitoes carry can proliferate inside of them and spread to new hosts, usually via biting. Mechanical vectors, like flies, can acquire infectious substances on their exteriors and spread them through direct physical contact.
Vector is the right response. The term "vector" refers to insects that spread disease. Mosquitoes, fleas, lice, ticks, bedbugs, and other insects are some of the common vectors.
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5. Explain the effects of sickle cell disease for individuals who have just one allele for the
disease (heterzygous) AND for individuals who have both alleles (homozygous).
When it comes to the original concentration of hemoglobin in the circulation cells, individuals who are heterozygous for the sickle cell allele generate both normal and abnormal hemoglobin.
What are the effects of sickle cell disease?Sickle cells that restrict blood flow deplete organs of both oxygen and blood. Blood oxygen levels are also abnormally low in sickle cell anemia. This deficiency in oxygen-rich blood can be lethal and harm nerves and organs like the kidneys, liver, and spleen.
The most frequent cause of SCD complications and the main reason patients with SCD visit the ER or hospital is pain. Sickled cells can become caught and impede blood flow throughout the body when moving through small blood veins, which hurts.
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15
Drag the tiles to the correct boxes to complete the pairs.
Match type of renewable energy to the characteristic of the ocean that makes its
generation possible.
tidal energy
geothermal energy
wave energy
wind energy
flat water surface without obstructions
force of moving water
periodical difference in height of water
superheated water at rift zones
In areas with a significant tidal range, or the interval between high tide and low tide, engineers developed methods to take advantage of tidal energy movement to generate energy during the 20th century.
What is tidal energy?The rush of ocean waters that occurs during tidal rise and fall is known as tidal energy. A renewable energy source is tidal energy. Tidal energy is a type of hydropower that transforms tide energy into usable types of power, such electricity.
The gravitational pull of the moon and sun on the planet causes the seas to move in cycles, which in turn produces tides. Tidal force Tidal power, often known as tidal energy, is any type of renewable energy in which the ocean's tides are used to generate electricity.
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characteristics of haemoglobin
Answer:
Hemoglobin is a two-way respiratory
carrier, transporting oxygen from the
lungs to the tissues and facilitating
the return transport of carbon
dioxide. In the arterial circulation,
hemoglobin has a high affinity for
oxygen and a low affinity for carbon
dioxide, organic phosphates, and
hydrogen and chloride ions.
A biologist studied the populations of white-sided jackrabbits and black-tailed
jackrabbits over a 5-year period. The biologist modeled the populations, in
thousands, with the following polynomials where x is time, in years.
White-sided jackrabbits: 6.7x2 +7.8x+4.1
Black-tailed jackrabbits: 0.3x² +0.4x+7.9
What polynomial models the total number of white-sided and black-tailed
jackrabbits?
The polynomial that models the total number of white-sided and black-tailed jackrabbits can be found by adding the two polynomials for each species:
Total jackrabbits: [tex]6.7x² +7.8x+4.1 +0.3x² +0.4x+7.9 = 7x² +8.2x+12[/tex]
Therefore, the polynomial that models the total number of white-sided and black-tailed jackrabbits is [tex]7x² +8.2x+12.[/tex]
What is a polynomial?Polynomials are mathematical expressions consisting of variables and coefficients, which are combined using only the operations of addition, subtraction, and multiplication. A polynomial of degree n (written as P(x) = anx^n + an-1x^(n-1) + ... + a1x + a0) is a mathematical expression with the highest exponent of the variable x being n.
The coefficients, an, an-1, ..., a1, a0, can be any real numbers. In mathematical modeling, polynomials can be used to model and predict real-world phenomena, such as population growth, stock market trends, and more. They are widely used in mathematics and science because of their simplicity, versatility, and ability to model complex phenomena.
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BIO
answers for a and b
With explanation please
The answers include the following below:
The number of amino acids which are present in the same position in the E.coli(Fe), E.coli(Mn) and mitochondrial dismutase are seven and six respectively.The amino acids which are present in the same position of at least one bacterial dismutase and in both eukaryotic dismutases are Proline, leucine etc.What is Amino acid?This is referred to as organic compounds that contain both amino and carboxylic acid functional groups and is known as the building block of life.
Proline, leucine are the amino acids which are present in the same position of at least one bacterial dismutase and in both eukaryotic dismutases as depicted in the diagram given.
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What makes people care about animals and their health ?
1. Pretend you are taking a balloon ride through the layers of Earth's
atmosphere. Name and describe the properties of each layer as you move up
from the surface of the planet. What objects might you see in each layer?
The Earth's atmosphere is divided into several layers, each with different properties and features including the troposphere, stratosphere and soon.
What are the different atmospheres?The Troposphere: This is the lowest layer of the atmosphere and extends from the Earth's surface up to about 7-20 kilometers. It is the layer where weather occurs, and the temperature decreases with altitude. The air pressure is also highest at the surface and decreases with altitude. You might see clouds, rain, snow, and other weather patterns in this layer.
The Stratosphere: This layer extends from the top of the troposphere to about 50 kilometers. The temperature in this layer increases with altitude and is characterized by the presence of ozone, which absorbs ultraviolet radiation. The stratosphere is also home to high-altitude aircraft, weather balloons, and some satellites.
The Mesosphere: This layer extends from the top of the stratosphere to about 80-85 kilometers. The temperature in this layer decreases with altitude, and it is where meteoroids burn up as they enter the Earth's atmosphere.
The Thermosphere: This layer extends from the top of the mesosphere to about 600 kilometers. It is characterized by high temperatures and low air pressure, and it is home to the aurora borealis, which is visible as northern and southern lights.
The Exosphere: This is the outermost layer of the Earth's atmosphere and extends from the top of the thermosphere to several thousand kilometers. This layer is thin, and the air particles are so far apart that they can escape the Earth's gravitational pull and become part of space.
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what is the purpose of the lab? red and light red walking beans
The purpose of the laboratory experiment "red and light red walking beans" is that the red light will make the beans invisible to other organisms and animals, which increase the population and survival rate of the beans.
What is a laboratory experiment?Laboratory experiments are described as research methodologies by which researchers create controllable environments to test hypotheses.
The hypothesis about the effect of the red light on the population of light red walking beans is that If red light is shined on a population of red walking beans then they would not be as red as when started because they would need light to survive.
The red light is present but they will not reflect it until they need it to survive.
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Objective: I Will Be Able to evaluate the types of diffusion and analyze the spread of rapid Islam in the century after the
death of Muhammad.
CO
Understanding Diffusion in...
Cultural Diffusion in Sociolo...
Answer:b
Explanation:
if you conducting a blood culture on a healthy male you will pull cc of blood into each bottle
Answer: Use the aerobic bottle first and insert blood culture bottles onto adapter. Collect 10 cc. of blood into each bottle.
Is there DNA in oreos?
Answer:yes
Explanation:
Dilate each given function to create a new function of a higher degree. Sketch the graph and then identify the zeros of
each new function, its domain, and its range.
1.
hox) = (x - 1)(x+4)
Sketch (x + 4). hox).
-10
-5
20-
-10-
0
-10-
-20-
5
10x
The new function ( ) → ( ) can be used to dilate a function f (x) in the vertical plane by a scale factor of a.
What does it mean to dilate a function?The term "dilate" denotes either expansion or contraction. Graphs can be used as another tool for determining the domain and range of functions. The domain of a graph is made up of all the input values displayed on the x-axis since the term "domain" refers to the set of potential input values. The y-axis on a graph represents the possible output values, or range.
A dilatation is a transformation that alters a figure's size while maintaining its shape and orientation. Each linear measure of a dilatation is multiplied by a quantity known as the scale factor.
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In 6 to 7 sentences, provide an example of something a 4-year-old child could learn easily but a 1-year-old child could not learn even with special teaching.
Answer: hope this helps
Explanation: The difference, between the brain capacity of a 4-year-old and a 1-year-old, is drastic. The most an average, year-old infant can achieve is mumbling sounds, introduction to feelings, and maybe a one-syllable word. Meanwhile, a 4-year-old has access to a far more clear idea and expression of emotions and has a much larger vocabulary. Teaching a 4-year-old a simple math equation, like "2+2" could take a minute, but should not come with much difficulty. As well as counting up to 10. This however would be almost impossible for a 1-year-old child; as their ability to form a word has not even begun. Let alone pronunciation, processing number quantities, and counting. A baby and a toddler, although they may be only 3 years apart have very large differences in what they are able to achieve as not only their minds do not compare, but their vocabulary and speaking as well.
In order to study the importance of water for the development of green plants, grade 5 students performed the following experiment. Presence of light, Carbon dioxide and mineral salts Plant A is watered Plant A grows up well 1. Pick out the objective. Importance of Water 2. List the common conditions. 3. Indicate the variable factor. 4. Analyze the obtained results. 5. Derive a conclusion. After a few days Presence of light, Carbon dioxide and mineral salts Plant B is not watered Plant B fades and dies wwww
Based on the given experiment and factors, the objective and other relevant data is given below:
What is the analysis of the lab experiment?Objective: To study the importance of water for the development of green plants.
Common conditions: Presence of light, carbon dioxide, and mineral salts.
Variable factor: Water (Plant A was watered while Plant B was not watered)
Analysis of results: Plant A grew well when it was watered, while Plant B faded and died when it was not watered.
Conclusion: The results suggest that water is an important factor for the development of green plants, and the lack of water can negatively impact their growth and survival.
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Which example is a biotic factor of a desert environment?
O coyote
O air temperature
O sand
Olight
Answer: its A: coyote
Explanation: Because its the only living thing on the list and a biotic factor has animals.
Each new growing strand is called the blank or matching strand
A new strand (he leading strand) is created during DNA replication in one continuous piece. Small fragments make up the other (lagging strand).
What is the name of the DNA strand?The double helix is a spiral formed by two long strands of nucleotides. The base pairs serve as the ladder's rungs while the phosphate and glucose molecule serve as the ladder's vertical siderails in the double helix shape.
What is the trailing strand, the new strand called?The lagging strand is the one that starts to open in the 3' - 5' direction toward the replication fork. The leading strand in the origin of replication is the one that travels with in 5' to 3' direction. Discontinuous replication occurs for the strand. The strand is continuously duplicated.
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The two different X in Y individuals plays a role in increasing genetic biodiversity.
X: alleles
Y: homozygous
X: generations
Y: homozygous
X: genes
Y: heterozygous
X: alleles
Y: heterozygous
The answer is d) i.e., X: alleles Y: heterozygous.
Why do we need genetic biodiversity?
Genetic variety is great when there are many variations in a species' DNA. Numerous DNA mutations in organisms with great genetic diversity result in changes in crucial qualities that humans cannot perceive as well as differences in how people look. The term for this is adaption. Species having a wide range of traits are better able to adapt to environmental changes than those with little genetic diversity. The peppered moths during the industrial revolution provide a superb illustration of this. Natural genetic variation led to a range of pale to dark wing colors in peppered moths.
The answer is d) i.e., X: alleles Y: heterozygous.
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What is the term for the strength of rights and privileges in society? OA. Oppression O B. Discrimination O C. Socialization O D. Social power
D.
Explanation:The term for the strength of rights and privileges in society is D. Social power. Social power refers to the ability of individuals or groups to influence and control society and its institutions, which is often determined by their relative wealth, status, and influence. Social power is an important concept in understanding the distribution of resources, privileges, and opportunities in society, and how this distribution affects individuals and groups differently.
According to evolutionists, which two species are least closely related?
Number of Amino Acid Differences between Species
Species 1&3 Species 2&3 Species 3&4
species 1&2
The species that are least closely related according to evolutionists would be the pair with the highest number of amino acid differences between them, that pair would be Species 1&2, last potion.
What is evolution?The change in heritable traits of biological populations over successive generations is referred to as evolution. Evolutionary processes generate diversity at all levels of biological organization. The last universal ancestor is the common ancestor of all life on Earth.
Because a protein's amino acid sequence is determined by its DNA sequence, a gene shared by two closely related organisms should have similar, if not identical, amino acid sequences. This is because closely related species most likely diverged relatively recently in the evolutionary timeline.
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what process would you consider essential for obtaining life
only short ooints
ty
How did Hershey and Chase know that DNA carries the information that
viruses transfer into bacteria?
OA. They found that the radioactive sulfur disappeared in the
centrifuge.
B. Radioactive phosphorus was found in the fluid.
C. Radioactive sulfur was found in both the pellet and the fluid.
OD. Radioactive phosphorus was found in the bacterial pellet.
A) Due to the lesser weight of the protein coat, it was discovered in the supernatant, whereas the infected bacteria settled at the bottom of the centrifuge tube.
Because DNA was passed from virus to bacterium, it was demonstrated that DNA is the genetic material.
How did Hershey and Chase conclude that the genetic information was carried by DNA rather than proteins?Hershey and Chase were able to demonstrate that DNA is the sole substance directly transported from bacteriophages into bacteria when the bacteria are infected by these viruses by employing radioactive labels that would specifically integrate into either DNA or protein, but not both.
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What does animal store carbonhydrate as
Answer:
Glycogen
Explanation:
When an animal has too many carbs in its diet, the excess carbs are stored in a compound called glycogen. It is present in high concentration in the liver, followed by the muscles, brain, etc.
Please give me verified answer and brainliest.
In Scenario 4, what if the genes responsible for creating digestive juices were turned on in your
veins? Use this example to explain the importance of regulating gene expression.
Answer: ihki
Explanation: