The following table displays by gender the number of people in a bridge club who favor a particular political party.
If we were to do a chi-square test, which expression would calculate correctly the expected frequency of the number of females who favor the Republican party?
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If we were to do a chi-square test, the expression that would correctly calculate the expected frequency of the number of females who favor the Republican party would be:B = (row total) x (column total) / grand total
In order to calculate the expected frequency of the number of females who favor the Republican party with the information from chi- square test, we need to use the formula for the expected frequency of a contingency table cell:B = (row total) x (column total) / grand totalThe values for the row total, column total, and grand total for the female and Republican cell are given in the table below:
Favor RepublicanFavor DemocratTotalMale2520250Female302540Grand Total551565The expected frequency of the number of females who favor the Republican party is therefore:B = (row total) x (column total) / grand totalB = (40) x (55) / 155B = 14.545So the expected frequency of the number of females who favor the Republican party is approximately 14.5.
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Related Questions
need this answer quick please now thanks
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The regulation of gene expression resulting in cell differentiation is a very loaded topic. All that is important for you to know right now is that each cell contains all of the genes to become any type of cell. Each cell simply expresses or silenced genes in order to become the appropriate cell type.
Is sunlight a biotic or abiotic?
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Answer:
abiotic is the answer for this question
PLEASE HELP WITH 1(a)and (b) !!! it u spam u will be reported ! will be marked as brainlist if correct
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Pigs were first brought to the Americas in the 1500s. Some of these pigs escaped into the wild, where they established the feral pig population. Since these pigs had never existed in this region, they filled an entirely new ecological niche. Surplus of food, shelter, and habitat resulted in a huge population spike.
b)
Feral pig population is still on the rise in North America. However, their population growth has slowed. Eventually limits on their food sources and habitat will likely limit their population rise.
Science can lead to the development of:
It’s important to know that science is:
What the answer to these. I really need help I have been stuck on it for 30 minutes
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Answer:
Science causes the development of economy, health, infrastructure and education.
Science helps finding new knowledge and technologies.
Explanation:
Science can lead to the development of economy, health, infrastructure and education. The development in these fields makes the people of that society are more advanced due to education and having good health and financial conditions.
It’s important to know that science is a way to help in finding new knowledge and technologies. the new knowledge helps in finding new technologies which minimize the adverse affect of that technologies on the environment and also these technologies reduce human efforts and make our work easier.
applies to inventory situations in which one order is placed for a good in anticipation of a future selling season where demand is uncertain.
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The single-period inventory model applies to inventory situations where demand is uncertain.
What is single period inventory model?
The following goods share the features of the single-period model: They are only offered at their usual price for a limited time. Despite being very varied, demand for these items follows a well-known probability distribution. Businesses that order seasonal or occasional goods are faced with the single period inventory model. Since the product loses value after the time it is needed, there is only one opportunity to order the correct quantity. Both purchasing too much and ordering too little has expenses, thus the company's managers should aim to place the order correctly the first time to reduce the likelihood of loss.The goal of inventory control systems is to prevent costly "overstock" situations by ensuring that you have a enough quantity of whatever it is you sell to satisfy projected demandFor businesses that use a "single-period" inventory model, where you only have one chance to arrange your inventory, inventory control presents unique issues.In a single period inventory model, the order is placed just once as opposed to repeatedly in the same quantity. This is because demand only lasts for a little time. At the conclusion of the demand, certain products could still have some value while others lose all of their worth.Although demand fluctuates and stays for shorter periods of time, it is still possible to anticipate it since it follows a probability distribution.Hence, The single-period inventory model applies to inventory situations where demand is uncertain.
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Each time a fatty acid bonded to the glycerol molecule, you should have -H and an O-H left over. What molecule
does these left-over atoms bind together to create?
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Each time a fatty acid is bonded to the glycerol molecule the leftover atoms -H and -OH bind together and create a water molecule i.e H₂O molecule.
What are Fatty Acids?
A fatty acid is a carboxylic acid having an aliphatic chain that is either saturated or unsaturated.
Fatty acids are the building blocks of fat in our bodies and our meals. The body converts lipids into fatty acids during digestion, which can subsequently be absorbed into circulation. Fatty acid molecules are typically joined in groups of three to form a molecule known as a triglyceride.
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During cytokinesis, the cell divides completely after the ___ splits.
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Answer:
Cytoplasm
Explanation:
When using a knife to cut a
tomato What are three
things you need to do to
carry out this task safely?
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Answer: keep your thumb on the side of the knife, cut on a cutting board, and use a sharp knife.
Innate defenses include mechanical and chemical barriers, whereas adaptive defenses counter specific disease-causing agents.
True or False
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Do we all have the same DNA? Explain.
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Answer
Yes, we share 99.6 percent of DNA
Explanation
The human genome is mostly the same in all people. But there are variation accounts for about 0.001 percent for each person's DNA and contributes to differences in appearance and health. Closely related people have more similar DNA. (Researched)
The nitrogen cycle is an example of a(n) (blank) cycle. The options are biogeochemical, decomposer, energy, water, denitrification, nitrogen fixation, nitrogen limitation, or photosynthesis.
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Answer: Biogeochemical, Nitrogen Fixation, and Denitrification
Explanation: A biogeochemical cycle is the cycling of a nutrient through the biosphere and the geosphere. Nitrogen fixation happens when Nitrogen Fixating bacteria take in atmospheric nitrogen and release Ammonia as a biproduct. Denitrifying bacteria then take in the ammonia and break it down into nitrite, nitrate, and finally back into atmospheric nitrogen. The cycle then repeats.
The nitrogen cycle is an example of a biogeochemical cycle. The correct option is A.
What is biogeochemical cycle?The transport and transformation of chemicals in ecosystems is referred to as a biochemical cycle. Wetland hydrologic conditions have a strong influence on these.
These processes cause changes in the chemical forms of materials as well as material movement within wetlands.
These cycles transport the elements required for life to survive throughout the ecosystem.
They are essential because they recycle and store elements, as well as regulate vital elements through physical facets.
A biogeochemical cycle describes how an element or compound, such as water, moves between its various living and nonliving forms and locations in the biosphere.
Water, carbon, nitrogen, phosphorus, and sulfur cycles are all important biogeochemical cycles for living organisms.
Thus, the correct option is A.
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What type of air mass forms over Nashville TN
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Five air masses affect the United States during the course of a typical year: continental polar, continental arctic, continental tropical, maritime polar, and maritime tropical. Continental air masses are characterized by dry air near the surface while maritime air masses are moist.
When acetyl-coa containing radioactively labeled carbon atoms is fed to cells, the co2 produced is not initially radioactive. However, molecules of citrate and oxaloacetate are radioactive. Only after some time has passed will radioactive co2 be released. What is the best explanation for this observation?.
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In reactions connected to the generation of NADH molecules from the reduction of NAD+ molecules, two carbon dioxide molecules are produced for each acetyl CoA that enters the citric acid cycle.
Out of the six carbons that were initially contained in glucose, only two are liberated as carbon dioxide.
A molecule of acetyl CoA is created when the enzyme-bound acetyl group is transferred to CoA. This acetyl CoA molecule undergoes further conversion in order to be utilized in the citric acid cycle, the following step of metabolism.
The two carbon atoms in acetyl-CoA are also liberated during the Krebs cycle, and each of them goes on to generate a carbon dioxide molecule. As a result, two carbon dioxide molecules are produced for every acetyl-CoA molecule that enters the cycle.
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Are we as individuals, a country or the world able to live sustainable ?
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Answer:
Researchers broke down sustainable development into categories such as carbon dioxide emissions and use of natural resources like nitrogen, phosphorus and clean water. Bad news, Earthlings: It may be possible for everyone on the planet to live a “good” life.
Explanation:
Sustainability improves the quality of our lives, protects our ecosystem and preserves natural resources for future generations.
Sustainable living means understanding how our lifestyle choices impact the world around us and finding ways for everyone to live better and lighter. Applying a 'people lens' to sustainability is new, timely and opportunities are great.
A scientist studied the evolutionary relationships among 8 species of bears. The scientist constructed the following diagram to show her conclusions
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Answer:
the answer is B and C
Explanation:
B.The same ancestral bear species can give rise to two or more species of modern bears.
C. Each of the 8 species of modern bears may have high fitness in only some environments.
Answer:
b and c
Explanation:
i did the test
In zukai turtles, narrow nostrils (aa genotype) are recessive to round nostrils (A-genotype), and curly tail (bb genotype) is recessive to straight tail (B-genotype). A female with round nostrils and straight tail was crossed a male with narrow nostrils and curly tail. The progeny of this cross included:
25 round nostrils and curly tail
25 narrow nostrils and straight tail
25 round nostrils and straight tail
25 narrow nostrils and curly tail
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The progeny from the cross between a female with circular nostrils and a straight tail and a male with limited nostrils and a wavy tail displayed a Mendelian inheritance pattern for the two characteristics, showing autonomous grouping and taking after Mendel's laws of segregation and independent assortment. Hence, all the options are correct.
Characteristics of the progeny from the crossThe given cross includes two characteristics in Zukai turtles: nostril shape (circular or contract) and tail shape (straight or wavy). In this case, circular nostrils (A-genotype) and straight tails (B-genotype) are prevailing over contract nostrils (aa genotype) and wavy tails (bb genotype), individually.
The female parent within the cross has the genotype AaBb (circular nostrils, straight tail), whereas the male parent has the genotype aabb (contract nostrils, wavy tail).
When these two people are crossed, the resulting progeny appear in a 1:1 proportion for each characteristic combination. The observed progeny checks of 25 people for each characteristic combination (circular nostrils and wavy tail, contract nostrils and straight tail, circular nostrils and straight tail, contract nostrils, and wavy tail) coordinate the anticipated Mendelian proportions.
This illustrates the free combination of the two characteristics and takes after the segregation and independent assortment. proposed by Gregor Mendel in his tests with pea plants.
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The molecule that functions as the reducing agent in a redox reaction ___ electrons and ______ energy.
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The molecule that functions as the reducing agent in a redox reaction donates electrons and releases energy.
Two species—the oxidizing agent (or electron acceptor) and the reducing agent (or electron donor)—are engaged in a redox reaction (reduction-oxidation) . The species that loses electrons is the reducing agent, whereas the species that obtains electrons is the oxidizing agent.
The reducing agent gives electrons to the oxidizing agent during a redox reaction. As a result of losing electrons, the reducing agent itself undergoes oxidation. Electric current or energy transmission is made possible by this transfer of electrons from the reducing agent to the oxidizing agent.
The reducing agent releases energy while contributing electrons. The energy that is emitted can take on many different forms, including heat, light, or chemical energy. The change in the electrochemical potential energy of the electrons as they move from the reducing agent to the oxidizing agent is what causes this energy.
In general, the reducing agent works by giving electrons to the oxidizing agent while losing its own electrons in the process. This electron transfer causes the electrochemical potential energy to shift, releasing energy that can be used or seen as different types of energy.
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What is coal used for
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Answer: Coal is primarily used as fuel to generate electric power in the United States. In coal-fired power plants, bituminous coal, subbituminous coal, or lignite is burned. The heat produced by the combustion of the coal is used to convert water into high-pressure steam, which drives a turbine, which produces electricity.
Explanation:
1. Which of the following is not a main step of water cycle?
a) Condensation
c) Evaporation
b) Dilation
d) Precipitation
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The digestive tract needs _____that provides the bulk against which the muscles of the colon can work and stay toned.
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The digestive tract needs fibrous matter that provides the bulk against which the muscles of the colon can work and stay toned. The digestive tract is the body's digestive system. It starts at the mouth and ends at the rectum. The digestive tract, which is also known as the gastrointestinal tract, is responsible for processing the food you eat.
Fiber is plant-based matter that the body cannot digest. The majority of dietary fiber is composed of complex carbohydrates, such as cellulose, that are not absorbed by the body. However, fiber is essential for a healthy digestive system. The colon muscles need something to push against, which is where the bulk from fibrous matter comes in. The fecal matter becomes more condensed if there is insufficient bulk, resulting in constipation and a sluggish colon. In other words, consuming fibrous matter is necessary for the health of our digestive system.
Fibrous matter is particularly important for preventing constipation because it adds bulk to the stool. The muscles in the colon must work more when stool is bulkier, which helps keep them toned. As a result, a diet high in fiber is frequently recommended for people who have difficulty with constipation.
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Microfluidics-free single-cell genomics with templated emulsification.
a. True
b. False
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The correct answer is a. True. Microfluidics-free single-cell genomics with templated emulsification is a technology used for the analysis of individual cells at the genomic level without the use of microfluidic devices.
This method involves the encapsulation of single cells in droplets of an emulsion, which can be used to amplify the genomic material of each cell using a technique called multiple displacement amplification (MDA).
In templated emulsification, the emulsion droplets are generated using a template, which can be a microfabricated chip or a commercially available tool. The template provides a physical structure for the emulsion droplets to form around, allowing for more precise control over droplet size and composition.
The templated emulsification approach offers several advantages over traditional microfluidics-based methods for single-cell genomics, including simplicity, scalability, and the ability to process a larger number of cells in parallel. Therefore, the statement "Microfluidics-free single-cell genomics with templated emulsification" is true.
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What element has 1 valence electrons and 4 energy levels?
Answers
Answer:
Hydrogen and helium, both in the first period, have their valence electrons in the principal energy level n=1
Explanation:
Answer:
Hydrogen and Helium
Explanation:
the tuberculin skin test, or ppd test, is based on which of the following?group of answer choicesa delayed hypersensitivity and cell-mediated immunity to certain antigenic components of the organism.a subsequent mild cutaneous infection with mycobacterium tuberculosisan antigen/antibody reactions occurring at the injection site.
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The tuberculin skin test, or PPD test, is based on a delayed hypersensitivity and cell-mediated immune response to certain antigenic components of the Mycobacterium tuberculosis bacteria. Option 1 is correct.
A small amount of purified protein derivative (PPD) from the bacteria is injected into the skin and, if the person has been previously infected or vaccinated against tuberculosis, their immune system will recognize the PPD as foreign and initiate a localized immune response. This response causes a small bump or swelling at the injection site, which is measured after a certain amount of time. This test is used to screen for tuberculosis infection and is an important. Option 1 is correct.
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--The complete Question is , The tuberculin skin test, or ppd test, is based on which of the following?
group of answer choices
1. a delayed hypersensitivity and cell-mediated
2. immunity to certain antigenic components of the organism.
3. a subsequent mild cutaneous infection with mycobacterium
4. tuberculosisan antigen/antibody reactions occurring at the injection site. --
daughter cells produced in meiosis have multiple choice one-fourth the number of chromosomes as the parent cell. half the number of chromosomes as the parent cell. the same number of chromosomes as the parent cell. twice the number of chromosomes as the parent cell. four times the number of chromosomes as the parent cell.
Answers
Daughter cells produced in meiosis have half the number of chromosomes as the parent cell.
During meiosis, a specialized form of cell division that occurs in sexually reproducing organisms, the parent cell undergoes two rounds of division: meiosis I and meiosis II. These divisions result in the formation of four haploid daughter cells, each containing half the number of chromosomes as the parent cell.
In meiosis I, homologous chromosomes pair up and exchange genetic material through a process called crossing over. Then, the homologous chromosomes separate, with each daughter cell receiving one complete set of chromosomes from each pair.
In meiosis II, the sister chromatids of each chromosome separate, resulting in the formation of four haploid daughter cells, each containing one copy of each chromosome. These daughter cells are genetically distinct from one another and from the parent cell, as they have undergone recombination and segregation of genetic material.
Overall, the reduction in chromosome number during meiosis ensures that when these daughter cells combine with another haploid cell during fertilization, the resulting offspring will have the correct number of chromosomes characteristic of the species.
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Genetic variation occurs in all organisms. Bacteria that cause ear infections, for example, are genetically similar and produce the same effect, but some variations may exist such that some of the bacteria might be resistant to antibiotics, while others are not.
Which of the following would increase the antibiotic resistant bacterial populations?
A.
newer and better antibiotics
B.
contracting multiple diseases simultaneously
C.
using a warm-air humidifier
D.
an overusage of antibiotics
Reset Submit
Answers
Answer: D
Explanation: The more antibiotics are used the more the bacteria is exposed to the antibiotics. This helps the bacteria get used to the antibiotics becoming immune.
Which of the following statements is correct?
DNA reads and translates the RNA code.
DNA synthesizes protein.
RNA reads and translates the DNA code.
RNA contains the genetic code.
Answers
Answer:
3rd
Explanation:
HELP! LOOK AT THE PICTURE!
Answers
Answer:
The organism's genotype encodes their phenotype because the genotype corresponds to the characteristic that is determined by genes —formed by fragments of DNA— which are transcribed into mRNA to be translated into amino acid sequences in the synthesis of proteins, determining the morphological and functional characteristics of an organism, that is, its phenotype.
Explanation:
Genotype corresponds to the genetic information contained in the DNA, according to the sequence of nucleotides in its molecular structure. This genotype includes characteristics or polymorphisms that define the appearance and function of living beings.
Each DNA molecule constitutes a chromosome, formed by genes —DNA fragments— each of which determines specific characteristics.
When DNA is transcribed into mRNA, information is being sent that is necessary for the incorporation of amino acids into a protein that is being synthesized. The proteins, in turn, determine morphological and functional characteristics that constitute the phenotype of an individual.
what is the best description of the ph of sabouraud's agar
Answers
Answer: it will be a
Explanation: that the answe
r
6. The table describes characteristics of cells from two different organisms that belong to different kingdoms. Examination of Cells from Two Organisms Shape Centrioles Chloroplasts Cytoplasm Ribosomes Mitochondria Cell from Organism X Round and irregular *Present Not present Present Present Present Cell from Organism Y Rectangular and fixed Not present Present Present Present Present A. Organism X is more likely to have a lower body temperature than Organism Y because the cells of Organism X contain centrioles. B. Organism X uses more energy to remove waste than Organism Y because Organism X has round and irregularly shaped cells. C. Organism Y is more likely to make its own food than Organism X because Organism Y contains chloroplasts. D. Organism Y uses more resources to produce cells than Organism X because Organism X has round and irregularly shaped cells.
Answers
The correct answer is C. Organism Y is more likely to make its own food than Organism X because Organism Y contains chloroplasts.
What are chloroplasts ?Chloroplasts, small organelles located in plant cells and some protists, play a vital role in photosynthesis. Besides their adeptness to absorb light energy, they contain chlorophyll pigment that converts this absorbed radiance into usable chemical power for the cell to generate sustenance.
By scrutinizing the table given, we can infer that in contrast to organism X, which lacks these structures, organism Y crows its insatiable appetite through self-sustenance generated by photosynthesis. In other words, it presumably relies on itself for nutrient needs. Meanwhile, organism X may consume nutrition from outside sources.
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1. The epistemology generally preferred in the natural sciences is
a.Based heavily on directly observable evidence
b.Willing to use more abstract, often unobservable forms of evidence
c.Generally accepting of the disorderly nature of society
2. Interdisciplinary studies emphasizes the development of knowledge using insights developed within the disciplines
Group of answer choices
True
False
Answers
1. The epistemology generally preferred in the natural sciences is a) Based heavily on directly observable evidence.
In the natural sciences, empirical evidence obtained through observation, experimentation, and measurement is highly valued. The emphasis is on gathering data from the physical world and using it to develop theories and explanations.
2. Interdisciplinary studies emphasizes the development of knowledge using insights developed within the disciplines is True.
Interdisciplinary studies emphasizes the development of knowledge using insights developed within the disciplines. It provides a platform for the exchange of knowledge and expertise between disciplines. This leads to a better understanding of complex problems and issues, which can be solved with a more comprehensive and holistic approach. Interdisciplinary studies are particularly useful in fields that are complex, and where a single disciplinary approach is insufficient. For example, climate change is a global problem that requires interdisciplinary collaboration between environmental scientists, climatologists, geographers, policy makers, and economists.
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