Answer:
Fewer soil organisms, less soil structure, and decreased nutrient holding capacity.
In a population that is in Hardy-Weinberg equilibrium, 49% of the population show the homozygous recessive genotype. The frequency of homozygous dominant individuals is:
The frequency of homozygous dominant individuals is: 42%
Hardy–Weinberg equilibrium (HWE) is a null model of the relationship between allele and genotype frequencies, both within and between generations, assuming no mutation, no migration, no selection, random mating, and infinite population size. To find the frequency of the recessive allele, we must first find the frequency of the dominant allele (p). According to the Hardy-Weinberg principle, the square root of the homozygous genotype frequency is equal to the allele frequency. The Hardy-Weinberg equation used to determine genotype frequencies is: p2 + 2pq + q2 = 1. Where 'p2' represents the frequency of the homozygous dominant genotype (AA), '2pq' the frequency of the heterozygous genotype (Aa) and 'q2' the frequency of the homozygous recessive genotype (aa).
Calculation:
q2 = 49
q= 0.7
According to Hardy–Weinberg equilibrium p + q= 1
p = 1 - q
1-0.7= 0.3
p2+ 2pq+q2=1
One can substitute the values
2pq= 2(0.3) (0.7) = 0.42
42% is the answer.
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PLS HELPPP WILL MARK BRAINLIEST IM DESPARETE
The patella is a(n) _____________bone found in the ___________________. (2 points)
long; appendicular skeleton
irregular; appendicular skeleton
flat; axial skeleton
short; axial skeleton
In the case above, the patella is a irregular bone found in the appendicular skeleton.
Where is the patella in the knee?The patella is known to be a bones of the Appendicular skeleton and it is one that can be seen or found in front of the knee joint and it is at the spot where the thighbone (femur) and shinbone (tibia) is said to meet.
Note that In the case above, the patella is a irregular bone found in the appendicular skeleton precisely on the knees of humans.
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Use the numbers 1,2,3,4 and 5 to place the protein creation steps below in the correct order.
Answer:
Explanation:
1) Activation of the Amino Acids
2) Transfer of the Amino Acids to tRNA
3) Initiation of polypeptide chain
4) Chain Termination
5) Protein Translocation
Assume all the restaurants in a town get together and agree to increase the price of dinner to $15 from $10. What could happen
The correct answer to this question is fewer meals would be served when price of dinner increased from 10 to 15.
Why would fewer meals be sold?As there would be sudden inflation in the price of the products sold by the restaurants all at once people would hesitate to buy them.
This would lead to an decrease in the selling of meals thus leading to fewer meals sold.
Inflation means an sudden increase in the price of an product. Usually inflation leads to a general fall in the total number of products sold.
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[OSS.03]The sentences below describe four Earth events.
1. Earthquakes.
2. Volcanic eruption.
3. Interruption in cell phone signals.
4. Interruption in electricity supplied to households.
Which of these events is most likely to happen on Earth during a solar maximum?
A) 1 and 2
B) 1 and 3
C) 2 and 3
D) 3 and 4
Solar maximums are the moments of highest solar activity in a cycle of eleven years. Option D) 3 and 4. Interruption in cell phone signals and in electricity supplied to households.
What is a a solar maximum?A solar maximum is an event of maximum solar activity that occurs in the star during its cycle of eleven years.
During high magnetic events, several new sunspots appear and are visible from the Earth. There is a sharp increase in solar radiation, and solar storms occur, ejecting solar plasm and emitting high quantities of energy that move forward to the Earth.
These electromagnetic radiations and energy emissions can cause severe alterations in the Earth, affecting natural and artificial systems.
Some of them might affect technological systems, communication, and electrical systems.
The interruption in cell phone signals and in electricity supplied to households are the most likely to happen on Earth during a solar maximum.
The correct option is D) 3 and 4
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The punnett square below represents a cross between two parents that are heterozygous for the f gene. What percentage of the offspring are predicted to be heterozygous for the f gene?
50% percentage of the offspring are predicted to be heterozygous for the f gene.
Heterozygous for F means one of the genes is F and the other f. As we can see from the square there is a 50% chance of the offspring has the heterozygous F gene.
If the two versions are one-of-a-kind, you've got a heterozygous genotype for that gene. For an instance, being heterozygous for hair color may want to suggest you have one allele for pink hair and one allele for brown hair. The connection among the 2 alleles impacts which tendencies are expressed.
Heterozygous is a nation of getting inherited one of a kind kinds of a specific gene from each one all your biological parents. Now, through distinct forms, we typically mean that there are different quantities of the gene in which the collection is distinct.
All of us have two alleles, or versions, of every gene. Being homozygous for a specific gene manner you inherited the same variations. It is the opposite of a heterozygous genotype, wherein the alleles are exclusive. Humans who've recessive trends, like blue eyes or pink hair, are continually homozygous for that gene.
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If you observed that the sperm of a bull could not fuse in a lab dish with the eggs of a cow, you would say that the bull and the cow showed:_____.
If you observed that the sperm of a bull could not fuse in a lab dish with the eggs of a cow, you would say that the bull and the cow showed gametic isolation.
What is gametic isolation?A type of isolation that occurs in many aquatic animals of different species. These species deposit gametes in the water, in the same place and at the same time, with fertilization occurring only between gametes originated by the same species.
Reproductive isolation mechanisms that operate prior to mating are called prezygotic reproductive barriers. These barriers are important, as they prevent individuals of different species from interbreeding and reproducing.
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Contests between members of the same species or even the same group are referred to as:_____.
Contests between members of the same species or even the same group are referred to as secondary succession
Secondary inheritance occurs when a climax or inter-community failure is affected. This will restart the inheritance cycle, but it will not return to the square. The soil and nutrients are still there.
Primary transitions occur in unprecedented environments or sparse habitats. Secondary inheritance occurs in previously inhabited but disturbed areas such as wildfires. The newly created volcanic island is made up of unprecedented, soilless rocks.
A typical example of secondary inheritance occurs in oak and hickory forests logged by wildfires. Wildfires burn most vegetation and kill animals that cannot escape the area. But those nutrients are returned to the soil in the form of As
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The light reactions produce ________ and ________. carbohydrates, ATP oxygen, ATP water, carbohydrates ATP, carbon dioxide
Answer:
ATP and Oxygen.
Explanation:
In light reactions:
Oxygen is yielded through the photolysis of water.
ATP is yielded through chemiosmosis (using ATP synthase, similar to the process in mitochondria).
Note: NADP is also formed in light reactions, but it doesn't seem to be mentioned in this question.
Hope this helps!
H. If you had 64 amu of ch4, how many molecules would this be?
Given mass/molar mass = 64
Molar mass of methane = 16
Therefore,
No. of moles of methane = 64/16 = 4.
So, there are 4 moles of methane in 64amu of ch4.
Since, Avogadro's number= 6.022 * 10^23 i.e number of units in one mole of any substance)
We can also write 4* 6.022 * 10^23 molecules of methane [ one mole has weight as molecular weight in gm] .
Since each molecule has 10e, we can also write
10 * 4 * 6.022 *10^23 e in 64 gm of methane.
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Identify the true and false statements about gender and labor force participation.
The true and false statements about gender and labor force participation as follows:
True: "A higher percentage of men than women participate in the labor force."True: "Marriage seems to have opposite effects on women’s and men’s participation rates."False: "Occupational sex segregation, or the domination of certain professions by a single gender, has dramatically fallen in recent years."True: "Since 1975, the percent of mothers in the labor force has been on the rise."What is Gender Empowerment Measure?Gender Empowerment Measure (GEM) can be defined as an index that is designed and developed to measure the level of inequalities between opportunities that are available to both men and women living in a country.
Based on information provided by the Gender Empowerment Measure (GEM), we can infer and logically deduce the true and false statements about gender and labor force participation as follows:
True: "A higher percentage of men than women participate in the labor force."True: "Marriage seems to have opposite effects on women’s and men’s participation rates."False: "Occupational sex segregation, or the domination of certain professions by a single gender, has dramatically fallen in recent years."True: "Since 1975, the percent of mothers in the labor force has been on the rise."Read more on Gender Empowerment Measure here: brainly.com/question/22907606
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Complete Question:
Identify the true and false statements about gender and labor force participation.
1. A higher percentage of men than women participate in the labor force.
2. Marriage seems to have opposite effects on women’s and men’s participation rates.
3. Occupational sex segregation, or the domination of certain professions by a single gender, has dramatically fallen in recent years.
4. Since 1975, the percent of mothers in the labor force has been on the rise.
If the grasshoppers within a specific ecosystem are unable to detect vibrations, how will it affect that ecosystem?
If the grasshoppers within a specific ecosystem are unable to detect vibrations, they will not be able to communicate among themselves and defend against predators. This may lead to the loss of grasshoppers from the ecosystem.
What is vibrational communication?Sound is carried in the form of vibrations.Insects have sensory organs which help them to detect these vibrations.They interpret these sounds to communicate with each other and navigate through the environment.Vibrational signaling is the most common form of communication in insects which detects any mechanical disturbances in the surrounding environment.Some insects are even able to sense the sound of predators, thus are able to avoid them.Like many insects, grasshoppers have a pair of tympanal organs. These organs vibrate when they catch sound waves in the air. The larvae of grasshoppers use small stiff hairs called setae to sense sound vibrations.The caterpillars react to vibrations by exhibiting defensive posture.Learn about how animals communicate here:
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In just a week, my 7-year old cousin developed 0.6 to 1.0 centimeters pustules as shown in image 1. In the next couple of days, some of the pustules broke and formed shallow erosions covered by an amber-colored crust and the lesions expanded. His 45-year old father developed similar pathology a few days later. Carefully study the images in the assignment to answer the questions.
The result shows that the microorganism is Staphylococcus aureus.
How to explain the microorganism?Blood Agar media shows colonies which means the microbe must be a fastidious one. It allows bacteria to be distinguished by the type of hemolysis they produce. Here in the image, beta hemolysis is depicted.
Gram staining depicts a gram-positive coccus. Gram-positive organisms take up crystal violet dye and are stained purple while gram-negative organisms take up the safranin dye and give pink to red colonies.
Catalase protects the organisms from reactive oxygen species and Coagulase. According to the above results, the microorganism is Staphylococcus aureus.
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In moving from the outside environment to the inside of a bacterium, the first layer encountered would be:__________
In moving from the outside environment to the inside of a bacterium, the first layer encountered would be Glycocalyx.
The cell coat or outermost first layer of bacterial cells is called the glycocalyx. Glycoproteins, glycolipids, and proteoglycans make up its composition. It is a network of lipids and membrane proteins connected by polysaccharide chains. On the lumen side, it encircles the vascular endothelial cells.
Various bacterium have varied glycocalyx layers with different compositions and densities. It serves as a protective layer and participates in cell interaction, signalling, and identification.
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Which pattern of inheritance would explain the different fur color in the related dogs?
Answer:
B/b alleles.
from a presentation
There are too manh pottasium ions inside a cell.as a result, the cell membrane expands and bursts. which problem was the cell most likely having?
The problem which led to the bursting of the cell is osmosis. This is specifically due to endosmosis which occurs because the cell failed to maintain its internal environment and thus expands and bursts.
Potassium ions are essential for cellular metabolism. Potassium ions are necessary for regulation of membrane potential and polarization and depolarization of the cell membrane. If a cell has too much potassium ions, the inside of the cell becomes hypertonic, with respect to its surrounding. This destabilizes the internal environment and leads to water entering the cell(endosmosis). As endosmosis occurs the cell starts to expand due to excessive water. This leads to expansion and tears and cracks in the cell. The further expansion of the cell leads to the bursting of the cell or lysis of the cell.
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The structures that guard the nostrils and ear canals, preventing foreign particles from entering these areas are also called guard hairs or
The structures that guard the nostrils and ear canals, preventing foreign particles from entering these areas are also called guard hairs or Vibrissae
Ear and EardrumYour ears stay clean and healthy thanks to earwax. It also serves to safeguard the lining of your ear canal and is waterproof. Earwax can be either soft and moist or dry and stiff. It can range in color from yellow to brown.The modified apocrine glands known as ceruminous glands are located in the epidermis of the human external auditory canal and produce ear wax along with sebaceous glands. Cerumen is crucial in the ear canal's defense against harm from external factors and microbial invasion.Putting a wick in the ear may be necessary if the ear canal is extremely enlarged. The wick will help the drips get to the canal's conclusion.
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There are several methods of gene editing, including ________, the most widely used method.
There are several methods of gene editing, including CRISPR-Cas9 the most widely used method.
One of the most popular methods of gene editing currently is the use of CRISPR/Cas9.Genome editing relies on the production of site-specific double-strand DNA breaks (DSBs) and the subsequent endogenous repair through the error-prone non-homologous end-joining (NHEJ) or the error-free homology-directed repair (HDR) pathways.
CRISPR/Cas9 is a technique that allows for the highly specific and rapid modification of DNA in a genome, the complete set of genetic instructions in an organism. In comparison to other technologies CRISPR/Cas9 is reliable Due to the RNA-based nature of the system, CRISPR is the most flexible, scalable, and user-friendly of the gene-editing platforms.
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After the movie is over, Illana's heart rate starts to go back down, and the hairs on the back of her neck return to normal as she watches the credits scroll. Which part of the nervous system is responsible for this
Answer:
the heart it is because the heart beats and it goes up and down
after two half-;ives (9 billion years) what percent of the orignal uranium remains?
The percentage of the orignal uranium that remains after two half-lives is 25%
Data obtained from the question Original amount (N₀) = 100%Number of half lives (n) = 2Percentage remainig (N) =? How to determine the percentage remainingN = N₀ / 2ⁿ
N = 100 / 2²
N = 100 / 4
N = 25%
Thus 25% of the original sample remains
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What adaptation do plants on the forest floor need to reproduce in a broadleaf forest?
What are small area variations? a. geographic variations in health care practice b. demographic variations in health care practice c. both a and b d. neither a nor b
Small area variations are geographic variations in health care practice. That is option A.
What are geographic variations?In the health sector, geographic variations are a type of variations that involves the observation of small area using population-based medical services across the relatively small geographic areas.
The importance of geographic variations in health care practice include the following:
It helps in monitoring disease outbreaks,It targets public health strategies towards a particular disease.It saves cost for health care delivery servicesIt makes health care delivery services available for the populace.Learn more about variations here:
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When individuals experience fear and pleasure, what part of the brain has been stimulated?
The limbic system of the brain gets stimulated when an individual experiences fear and pleasure.
The limbic system is a part of our brain which is responsible for the regulation of our emotional and behavioral responses, especially the ones we need for our survival. The structures of the limbic system are embedded deep in the brain. The two major structures of the limbic system include the hippocampus and the amygdala. The hippocampus helps us associate emotions and senses with different memories. The amygdala plays a pivotal role in managing our strong emotions like aggression, fear and pleasure. It also helps us in making new memories.
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Characteristics we define as homo appear in the fossil record at different times. this is known as:_______
Characteristics we define as homo appear in the fossil record at different times this is known as Mosaic evolution.
Homo genus is basic physical behavior which includes a relatively larges brain , small face and depend on material culture for survival of homo .The oldest humans to have possessed modern human like body with same elongated legs and shorter arms compared to size of torso.
Homogenus is appeared 2 million years ago in several early migrations, spread all over the Africa. It is live hunter gatherer society and control fire.Homo do not appear unified package which appears fossil record at different times.
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Nicotine is a stimulant, a drug that decreases the action of the central nervous system, the heart, and other organs. Nicotine is a stimulant, a drug that decreases the action of the central nervous system, the heart, and other organs. True False
False. Nicotine is a stimulant, a drug that increases the action of the central nervous system, the heart, and other organs.
How nicotine affects?Nicotine is categorized as a stimulant, a substance that heightens the activity of the heart, the central nervous system, and other organs. Nicotine causes heart disease and stroke by raising blood pressure and heart rate. Once addicted, individuals require increasing amounts of cigarettes to quell their nicotine addiction.Nicotine both stimulates and depresses the central nervous system.The hormone adrenaline is first released by nicotine, which further activates the neural system and contributes to the "kick" of the drug's feelings of pleasure and, over time, addiction.Body releases epinephrine when you smoke. stimulates the sympathetic nervous system, which causes shallow breathing and fast breathing while raising blood pressure and heart rate. The mimicked neurotransmitter by nicotine. It involved in memory and learning, and it strengthens the connections between different neuronal networks.Learn more about nervous system here:
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With the consumption of the third brownie you gain a marginal utility of ___ utils.
With the consumption of third brownie we gain a marginal utility of 5 utils.
In economics, the term marginal utility means that the additional or extra benefit that a customer gets from buying an extra unit of the service. This is used by economists to evaluate and determine the rate of selling of a specific product by the consumer.
During 19th century, the concept of Marginal utility was grew by economists to analyze and explain the fundamental economic reality of price. The standard rule for marginal utility is:
Marginal utility= total utility difference/ quantity of goods difference.
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al has a pet cat. one day he observes that it is scratching and urinating on tree trunks in his yard. what behavior is al's cat displaying?
Al's cat is displaying territoriality by marking his territory by marking territory with urine and scratches.
Territoriality
Territoriality is the defense of the area where an organism lives. The marked area is often regarded as the territory of the animal living there. Al's cat is marking its territory by urinating on the plants and scratching them. Other animals that enter the territory of the cat will be able to know that the territory is not theirs and keep themselves away from the same. If an animal invades the territory of another animal it might get attacked by the animal whose territory it just invaded.
Marking the territory often comes with many perks as the animal is able to lay claim to the food, nest locations, shelter, interactions with mates, etc. The animal is able to monopolize the space in which they live.
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Orang 2014. Mechanisms of miRNA-mediated gene regulation from common downregulation to mRNA-specific upregulation
MicoRNAs (miRNAs) are now known to be one of the most important regulatory gene families in eukaryotes. To date, 24521 microRNAs have been discovered, with many more on the way.
It was first recognized that miRNAs suppress gene expression at both the mRNA stability level by conducting mRNA degradation and the translation level (at initiation and after initiation) by inhibiting protein translation or degrading polypeptides by binding complementarily to the 3'UTR of the target mRNAs.
Nonetheless, some studies have shown that miRNAs can directly or indirectly activate gene expression in response to different cell types and conditions, as well as in the presence of specific cofactors.
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Calories from saturated fats and/or added sugars in foods that have little or no nutritional value, such as sausages and ice cream, are called:.
Calories from saturated fats and/or added sugars in foods that have little or no nutritional value, such as sausages and ice cream, are called Empty Calories.
Calories can be defined as the amount of energy extracted from the food which an individual eats throughout the day. According to dietary guidelines, a young person [20-25 years old] must intake between 1,600 and 3,000 calories per day.
Foods such as sausages, ice cream, pizza, and soft drinks have a high amount of empty calories because solid fats and added sugars are used in their manufacturing to add flavors and make the food more appealing but they have no nutritional value.
The amount of empty calories a person intakes should be decreased by avoiding such food items and drinks.
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A hiatal hernia is a protrusion of a portion of the _____ through the ______. Group of answer choices stomach; diaphragm duodenum; pyloric sphincter small intestine; inguinal canal rectum; anus
A hiatal hernia is a protrusion of a portion of the stomach through the diaphragm.
Hiatal hernia is a condition which arises due to a rise in blood pressure. In this condition the stomach bulges up through an opening in the diaphragm. This condition interjects with the normal mechanism of reflux that occurs through the sphincter, which is present in the esophagus. This condition usually occurs when there is excessive pressure around the stomach due to activities like repeated vomiting. This condition is usually not fatal, however, in rare and serious cases this condition can effect the esophagus and cause esophageal cancer. This condition can also lead to leakage of stomach acids and cause ulcers in the alimentary canal. In serious cases of hiatal hernia the blood flow to and from the intestine can also be effected. Serious cases need surgical treatment.
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