What is the relationship between traits and genetics?

Answers

Answer 1

Genetics and heredity are intimately connected. All of your genetically determined characteristics are included in your genetic makeup. Genetics describes heredity because genetic traits that are inherited are called heritable traits.

There is a great deal of variation in certain characteristics, such as eye color, hair color, and skin tone, among others. As biology students, we must comprehend and value the variety of characteristics that exist in organisms. When a trait is something, you inherit, either your mother or father gave it to you. Not all traits can be inherited; heredity is the passing of traits from one generation to the next.

Thus, a trait can be defined as a distinctive characteristic of a person in terms of genetics. The environment, genes, or a mixture of the two may influence traits.

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Related Questions

If a population has no known predators and plenty of available resources, how might that population change

Answers

The population will increase and since there are more of them now, their resources will decrease.

Why do cash crops undermine a nation’s food self-sufficiency?

Question 20 options:

cash crops can be sold for large profits


international trade often involves import and export fees


they are exported, rather than feeding the local community


only illegal crops like coca (for cocaine) are grown

Answers

Answer:

they are exported, rather than feeding the local community

kindly explain me this

kindly explain me this

Answers

Answer:

Maybe true

Explanation:

In my opinion it would be false because either way even if he is a bit of a weirdo you still have to treat everyone with respect so false

E1 Biol 2281 usage of internet to analyze nuclei acid

Are these right?

E1 Biol 2281 usage of internet to analyze nuclei acidAre these right?
E1 Biol 2281 usage of internet to analyze nuclei acidAre these right?

Answers

We  can see here that going through the answers provided in the image, we can deduce that they are correct though it will be proper to cross-check before submitting.

What is nuclei acid?

Nucleic acids are biomolecules that play a crucial role in storing, transmitting, and expressing genetic information in living organisms. They are essential for the functioning and inheritance of genetic traits.

Both DNA and RNA are polymers made up of repeating units called nucleotides. Each nucleotide consists of three components: a sugar molecule (deoxyribose in DNA and ribose in RNA), a phosphate group, and a nitrogenous base.

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Gastric cells in the stomach lining produce the protein pepsin, which breaks down other proteins found in food. Skin cells do not produce pepsin.

How does this cell specialization take place?

Answers

Pepsin is a digestive enzyme that is produced by the walls of the stomach, being activated by gastric juice, and whose function is to break proteins down into simpler peptides.

What are the functions of pepsin?

Pepsin is a stomach enzyme that serves to digest proteins found in ingested food. Gastric chief cells secrete pepsin as an inactive zymogen called pepsinogen. Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach. A low pH (1.5 to 2) activates pepsin.

The digestive power of pepsin is greatest at the acidity of normal gastric juice (pH 1.5–2.5). In the intestine the gastric acids are neutralized (pH 7), and pepsin is no longer effective.

Pepsin cleaves peptide bonds in the amino-terminal side of the cyclic amino acid residues (tyrosine, phenylalanine, and tryptophan), breaking the polypeptide chains into smaller peptides.

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the organisms that feed on dead and decaying matter are called
A. Saprotrophs
B. Autotrophs
C. Heterotrophs
D. Parasite ​

Answers

The organisms that feed on dead and decaying matter are called Saprotrophs.

An organism that feeds on dead and decaying organic matter is called a saprotroph. These organisms are heterotrophic, which means that they obtain their food from other sources. They are important in the ecosystem because they break down dead organic matter and recycle it back into the soil, making nutrients available to other living organisms

Answer:

A. Saprotrophs

Explanation:

Saprotrophs are organisms that obtain their nutrients by feeding on dead and decaying matter. They play a crucial role in the ecosystem by decomposing organic material and recycling nutrients back into the environment.

These organisms secrete enzymes that break down complex organic compounds into simpler substances, such as sugars and amino acids, which they can absorb and utilize for their own growth and energy needs. Examples of saprotrophs include fungi (such as mushrooms and molds) and certain bacteria.

Unlike autotrophs, which can produce their own food through photosynthesis or chemosynthesis, saprotrophs rely on external sources of organic matter for their nutrition. They actively decompose dead plants, animals, and other organic materials, aiding in the process of nutrient recycling and decomposition.

Heterotrophs, on the other hand, are a broader category of organisms that obtain their nutrients by consuming other living or dead organisms. This includes saprotrophs, as well as other types of organisms such as herbivores, carnivores, and omnivores.

Parasites, meanwhile, are organisms that live in or on other organisms, known as hosts, and obtain their nutrients from the host while causing harm or damage to it. Unlike saprotrophs, parasites typically rely on a living host for their sustenance rather than feeding on dead and decaying matter.

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As you have observed, the enzymes amylase and taq polymerase function best at different temperatures. all enzymes have an optimum temperature at which they function best. in environments where the temperature is above or below the optimum value, enzymes will not function efficiently.

Answers

Thermus aquaticus, a kind of creature that thrives in hot springs and other scalding settings, has the enzyme taq polymerase. The term "thermophilic bacteria" refers to this organism's exceptional thermostability.

Taq polymerase can withstand high temperatures, so why?

While maintaining its enzymatic activity, it can resist the high temperatures employed in PCR. In a thermophilic bacteria called Thermus aquaticus, taq polymerase may be found naturally. Living conditions for the bacteria include hot springs and hydrothermal vents. It has a high thermostability as a result.

A reaction typically accelerates with an increase in temperature and decelerates with a decrease in temperature. A denatured enzyme, on the other hand, is one that has lost its form and is no longer active due to extremely high temperatures. Optimal pH ranges for each enzyme exist.

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Which type of stem cell is described below?
stem cells are available from a variety of sources, including blood from an umbilical cord, or cells in the
placenta, the bone marrow, and even human fat.

Answers

Answer:

Multipotent Stem Cells

Explanation

these are stem cells that can differentiate to multiple but limited cells / tissues

multipotent stem cells

what is the atomic number, mass number and total charge of 16 protons, 17 neutrons and 18 electrons

Answers

16. The atomic number is always the same as the number of protons.

Which was present in the unknown? starch lipids nucleic acids proteins​

Answers

To test for the presence of starch, you can use iodine solution, which turns blue-black in the presence of starch. Lipids can be identified using a Sudan III or Sudan IV test, where lipids will appear as red or orange-stained spots.

Nucleic acids can be detected through tests like the diphenylamine test or the biuret test.

The diphenylamine test produces a blue color in the presence of DNA, while the biuret test results in a purple color in the presence of RNA.

Proteins can also be identified using the biuret test, as proteins will cause the solution to turn purple.

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What were the focus point of the finches that allowed Darwin to observe significant variations?EyesClawsBeaksFeathers

Answers

The correct answer is the third one, beaks. Finches' beak has a specific shape and size, their dimensions are an adaptation to the resource they eat. Thus, the observation of both the variation in traits and environmental resources, allowed Darwin to shape its evolutionary thinking.

2. A cell is placed in a saltwater solution. The water ______ the cell will _______ the cell, _____________ the
size of the cell, meaning that the saltwater solution is ____________ to the cell.

A. inside, leave, decreasing, hypertonic B. inside, stay inside, decreasing, hypertonic
C. outside, enter, increasing, hypotonic D. outside, enter, increasing, hypertonic

Answers

A cell is placed in a saltwater solution. The water inside the cell will leave the cell, decreasing the size of the cell, meaning that the saltwater solution is hypertonic to the cell (option A).

What is osmosis?

Osmosis is the net movement of solvent molecules, usually water, from a region of lower solute concentration to a region of higher solute concentration through a partially permeable membrane.

If a cell is placed in a saltwater solution, it means the concentration of the solute outside the cell is more than that of the cell.

As a result, water will leave the cell (higher concentration) to the extracellular salt solution. It can be said that the salt solution is hypertonic.

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Directions: The suggested time for answering this question is about 22 minutes. Where calculations are required, clearly show how you arrived at your answer. Where explanation or discussion is required, support your answers with relevant information and/or specific examples.

The term “urban sprawl” describes the expansion of cities into rural areas. This phenomenon has occurred around the world and has had economic, health, and environmental consequences.

Describe TWO causes of urban sprawl.

Discuss TWO human health effects associated with urban sprawl.

The graph below shows the relationship between population density and petroleum use in selected cities.

Describe the relationship between population density and petroleum use shown in the graph.


A graph is shown of petroleum use. The y-axis is relative annual per capita petroleum use with no numbers on the axis. The x-axis is density in persons per hectare, which goes from 0 to 300 in increments of 50. A curve is drawn starting at the top of the y-axis and is decreasing and concave up with increasing density. The curve appears to asymptote along the x-axis and is relatively flat by about 200 persons per hectare. There are points that lie close to the curve indicating where particular cities fall. The first four cities at the top of the curve, which are both below 50 persons per hectare, are Houston, Los Angeles, Washington, and New York. Below New York a horizontal line is drawn indicating that the cities about this line are in the United States. Below this line but above the next horizontal line are Melbourne, Sydney, and Toronto, all around 50 persons per hectare. The cities between these horizontal lines are indicated to be in Australia and Canada. Below the second line but above the third line are Paris, London, and Vienna, from about 75 to 150 persons per hectare. The cities between these lines are indicated to be in Europe. Below the third horizontal line but above the x-axis are Tokyo, Moscow, and Hong Kong from about 150 to 275 persons per hectare, and the cities in this area are from East Asia and Russia.


Smart growth focuses on ways to encourage sustainable urban development. Describe TWO steps a municipality could take to encourage smart growth in order to limit urban sprawl.

Highway systems and urban sprawl often threaten wildlife populations. Describe TWO methods to reduce harmful effects on wildlife populations from highways and urban sprawl.

Urban sprawl often results in the loss of productive agricultural land near cities. Describe one practical way to increase food production within urban areas.

Answers

Answer:

Causes of Urban Sprawl:

Population Growth: Rapid population growth is a significant cause of urban sprawl. As cities experience an increase in population, there is a greater demand for housing and infrastructure, leading to the expansion of urban areas into previously rural or undeveloped lands.

Transportation Infrastructure: The development of transportation infrastructure, such as highways and roads, can contribute to urban sprawl. Improved accessibility and connectivity provided by these infrastructures often lead to the outward expansion of cities as people choose to live farther away from city centers.

Human Health Effects Associated with Urban Sprawl:

Sedentary Lifestyle and Obesity: Urban sprawl often leads to increased reliance on private vehicles and longer commuting distances. This sedentary lifestyle, coupled with the lack of pedestrian-friendly infrastructure, can contribute to a decrease in physical activity and an increased risk of obesity among residents.

Air Pollution and Respiratory Issues: Urban sprawl is associated with increased vehicular emissions, leading to poor air quality. Exposure to high levels of air pollution can cause respiratory problems, such as asthma and other respiratory diseases, impacting the health of individuals residing in these areas.

Relationship between Population Density and Petroleum Use:

The graph illustrates that there is an inverse relationship between population density and petroleum use. As population density increases, per capita petroleum use tends to decrease. This relationship suggests that higher population density is associated with more efficient use of petroleum resources, potentially due to factors such as improved public transportation systems, shorter commuting distances, and increased availability of alternative modes of transportation. The graph indicates that cities with higher population density tend to have lower per capita petroleum use, while cities with lower population density exhibit higher per capita petroleum use.

Steps to Encourage Smart Growth and Limit Urban Sprawl:

Mixed-Use Development: Municipalities can encourage mixed-use development, which involves integrating residential, commercial, and recreational spaces within the same area. This approach reduces the need for long commutes and promotes walkability, thereby limiting urban sprawl.

Transit-Oriented Development: Promoting transit-oriented development focuses on creating compact, vibrant communities around public transportation hubs. By providing easy access to public transit options, municipalities can encourage residents to rely less on private vehicles, reducing congestion and the need for expansive road networks.

Methods to Reduce Harmful Effects on Wildlife Populations:

Wildlife Corridors: Establishing wildlife corridors or green belts can mitigate the negative impacts of highways and urban sprawl on wildlife populations. These corridors provide protected pathways for wildlife to move between fragmented habitats, reducing habitat fragmentation and enhancing biodiversity conservation.

Eco-Friendly Infrastructure Design: Implementing wildlife-friendly infrastructure design features such as wildlife crossings, underpasses, and fencing can help prevent wildlife-vehicle collisions. These measures allow animals to safely traverse across highways and urban areas, minimizing the detrimental effects on wildlife populations.

Increasing Food Production within Urban Areas:

One practical way to increase food production within urban areas is through the implementation of urban agriculture initiatives. This can involve utilizing rooftops, balconies, community gardens, and vacant lots to cultivate crops, raise livestock, or engage in aquaculture. Urban agriculture not only increases local food production but also promotes food security, community engagement, and environmental sustainability by reducing the carbon footprint associated with long-distance food transportation.

By adopting smart growth strategies, addressing the impacts of urban sprawl on wildlife and implementing urban agriculture initiatives, municipalities can actively promote sustainable and resilient urban development.

A group of students measure the mass of a soil sample.They record the following measurements: 65.7 g, 69 g, 60 g, and 64.58 g.The actual mass of the soil sample is 68.0 g. Which measurement is the most precise?A. 65.7 gB. 69 gC. 60 gD. 64.58 g

Answers

The most precise measurement is the one that is closest to the actual mass of the soil sample. If the actual mass is 68.0 g, the measurement that has the closest number to 68 is option B. 69 g

Answer:64.58

Explanation:

most precise measurement because it extends to the hundredths place.

• Dissolved molecules become _____________ distributed
• The molecules moved from where the molecules were common to where they were ______________
• The molecules move from an area of _______________ concentration to an area of_______________ concentration

 Dissolved molecules become _____________ distributed The molecules moved from where the molecules were

Answers

Dissolved molecules become uniformly distributed. The molecules moved from where the molecules were common to where they were located. The molecules move from an area of high concentration to an area of low concentration.

What is Diffusion?

Diffusion may be defined as the process of movement of individual molecules of a substance from an area of higher concentration to an area of lower concentration through a semi-permeable membrane.

During the process of diffusion, the net movement of molecules is carried out from an area of greater concentration to an area of lesser concentration. After the termination of this process, dissolved molecules become uniformly distributed.

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Carmen conducted an experiment to determine if listening to different types of music would affect a person’s pulse. Her hypothesis was that pulse rate would change with different types of music. Each person listened to seven different selections of music for 30 seconds each. Each person’s pulse was taken before the music and then after each 30-second interval of music. The pulses were taken again after the music selections were completed. Based on her experiment, Carmen concluded that a person’s pulse rate changed when the person listened to different types of music
What can Carmen do to make her experiment more reliable?
A. add another variable to test
B. repeat the experiment several times
C. decrease the amount of time the test subjects are exposed to the music
D. putting each test subject in a different location while they listen to the music

Answers

I’m pretty sure that the answer is B, to repeat the experiment several times.

3. Segmentation is an example of which of these?
A. body plan
B. morphological trait
C. Coelom type
D. Embryonic development

Answers

Answer:

A

Explanation:

what are the three parts of the data analysis section of a lab report?​

Answers

Answer:

1) rough reading

2)initial reading

3)final reading

Explanation:

those three are always important for every lab report

Select the correct answer.
Susan wants to bring out as much tone and shading in her prints as possible. Which type of paper should she use?
OA. high contrast
OB. low contrast
OC. fixed contrast
O D. variable contrast
Reset
Next

Answers

Susan should use option B: low contrast papers if she wants to bring out as much tone and shading in her prints as possible.

Use a low contrast paper if Susan wants to highlight as much tone and shading in her prints as possible. A low contrast paper will have a greater tonal range, allowing it to display more subtle color and shade variations. This is perfect for printing pictures with a lot of subtlety and detail, such grayscale or black and white photos.

Images with strong, stark contrasts between light and dark areas work best on high contrast paper. Variable contrast paper enables the photographer to alter the contrast of the paper using filters or other techniques, as opposed to fixed contrast paper, which is intended to provide a consistent amount of contrast.

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Correct question:

Select the correct answer.

Susan wants to bring out as much tone and shading in her prints as possible. Which type of paper should she use?

A. high contrast

B. low contrast

C. fixed contrast

D. variable contrast

What is the study of living things and its surroundings called?
Biology
Environmentology
Chemistry
Ecology

Answers

Answer:

D. Ecology

Explanation:

The study of an animal/creature and its environment.

Describe three ways in which the liquid contained in the ureter differs from the liquid contained in the renal artery

Answers

Answer: The three ways are listed below

Explanation:

Composition, The renal artery carries deoxygenated blood to the kidney, while the ureter carries urine after it has been filtered by the kidney. Urine contains waste products filtered from the blood, while the blood in the renal artery still has all its components.

Origin: The liquid in the renal artery originated from the heart as deoxygenated blood, while the liquid in the ureter originated from the renal tubules in the kidney as urine. They have different origins and histories.

Functions: The blood in the renal artery is essential for oxygenating the kidney and removing waste, while the urine in the ureter serves to transport the waste products filtered by the kidney out of the body for excretion. They serve very different functions.

Some additional notes:

• Urine contains waste materials like urea, creatinine, uric acid, etc. removed from the blood. The renal artery blood does not contain these waste products.

• The urine in the ureter is no longer useful for transportation of oxygen and nutrients. That is the purpose of the blood in the renal artery.

• The blood in the renal artery becomes deoxygenated after passing through the kidney, while the urine in the ureter remains oxygenated after being filtered.

• Manipulating the flow in the renal artery or ureter impacts the kidney differently. Reducing renal artery flow would damage the kidney, while reducing ureter flow would cause urine buildup.

• Urine volume and composition changes as it moves through the renal tubules and collects in the renal pelvis before entering the ureter. Blood composition remains largely unchanged as it passes through the kidney in the renal arteries.

El Ninos tend to result in cooler,wetter conditions across Texas.Which is likely to occur in Texas during El Ninos

Answers

El niño causes a drop in temperatures and increases in rainfall across Texas.

What is El niño?

The unusual warming up of the surface of the water in the eastern tropical region of the Pacific ocean is termed El niño. El niño is a phase of the phenomenon called the El niño Southern Oscillation (ENSO).

El niño is the warmer phase of this phenomenon. The cool phase of the ENSO phenomenon is called the La niña. It results in the cooling of the regions of the water's surface.

El niño impacts the currents of the oceans starting from Australia to Southern America. It is an irregular event and can happen once from two to seven years.

Therefore, in texas, it results in a drop in temperatures and increases in rainfall.

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The mountains in New England are part of which mountain chain?
Rocky
Cascade
Coastal
Appalachian

PLEASE ANSWER FAST 12 POINTS WILL MARK BRAINLIEST

Answers

Answer:

C

Explanation:The New England Seamounts is a chain of over twenty underwater extinct volcanic mountains known as seamounts. This chain is located off the coast of Massachusetts in the Atlantic Ocean and extends over 1,000 km from the edge of Georges Bank. Many of the peaks of these mountains rise over 4,000 m from the seabed.

Answer:

Appalachian

Explanation:

Which dams are likely to be removed or are being debated for removal

Answers

Answer:

damaged or old ones

Explanation:

What are the unique characteristics of the garden pea that allowed George Mendel (the father of genetics) to study them successfully?

Answers

Mendel chose the pea, one of many species, to study because the plants and seeds exhibit a variety of distinctive characteristics that appear in two readily recognizable forms (e.g., seed shape is round or wrinkled; plant height is tall or short).

George Mendel, the father of genetics, chose pea plants for his genetic experiments for a variety of reasons, including

• Garden plants are simple to grow.

• Pea plant blooms are hermaphrodites, which means they exhibit traits of both sexes.

• Plants of the pure breed can be easily obtained through self-fertilization.

• Pea plants produce more quickly than other plants.

• They have a high rate of survival and remarkable disease resistance.

Gregor Mendel's research on pea plants led him to the fundamental ideas of inheritance. He came to the idea that genes are passed down from each parent as unique, paired units.

Mendel observed how parental genes separated and if they showed up as dominant or recessive qualities in the offspring. Gregor Mendel experimented with hybridization on about 29,000 pea plants. Mendel found that peas were the perfect subject since they possessed seven easily observable features that he could control. He set up two settings before starting his pea studies.

As a result, we can infer that Mendel chose the pea as the species to study out of all the others since it has a diversity of distinguishing traits in both its plants and seeds.

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Which argument provides the MOST LIKELY explanation for why populations of sea stars that use sexual reproduction have increased survival than those populations of sea stars that use asexual reproduction?

a.The population that uses sexual reproduction will reproduce at a slower rate allowing for them to identify and adapt to the new environmental conditions.
b.The population that uses sexual reproduction will have increased genetic diversity which will allow the population to adapt to the changing environmental conditions.
c.The population that uses sexual reproduction will reproduce at a faster rate and replace the individuals that do not survive new environmental conditions.
d.The population that uses sexual reproduction will have less genetic diversity which will allow them to adapt to the new conditions more quickly.

Answers

The population that uses sexual reproduction will have increased genetic diversity which will allow the population to adapt to the changing environmental conditions.

What is genetic diversity?

Genetic diversity is the term used to describe the amount of variation in a population's genetic material. Genetic diversity is important for the long-term health and survival of a species, as it allows them to adapt to changing environmental conditions. It is also important for the health of a population, as it prevents inbreeding, which can cause genetic defects. Genetic diversity can be measured in a number of ways, including looking at the number of different alleles in a population, the amount of genetic variation in a population, and the amount of variation between individuals within a population. Genetic diversity is influenced by a variety of factors, including mutation, natural selection, and gene flow. Ultimately, genetic diversity is essential for the survival of a species, and it is important to maintain and promote a healthy level of genetic diversity in order to ensure a species’ long-term survival.

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how do oxbow lakes form​

Answers

Answer:

It starts with a bend in a river then the river erodes the bend until it goes through the bend and the old bend keeps its water and becomes a lake

Answer:

here you go

Explanation:

when you get a meander the lake slowly erodes from the inside, because water will always want to take the faster route( which would be straight ) the lake will slowly cute off the meander while dumping the rivers load forming an oxbow lake

Which of the following is not an activity promoted through environmental activism?
a. conservation
b. corrective justice
c. pollution prevention
d. waste regulation
Please select the best answer from the choices provided
OA
OB
CD

Answers

option b is the correct answer

Explanation:

corrective justice

It is known that some tumors are associated with tumor viruses. It remains unknown, however, whether or not other tumors such as those induced by chemical carcinogens are also associated with tumor viruses. Design a series of experiments to test the hypothesis that a chemical carcinogen-induced tumor cells contain altered genome (as compared to its unaltered state in the normal cell counterparts) and this genomic DNA alteration is responsible for the transformed phenotypes of the tumor cells. Include in your experimental design the following:
1) the overall strategy,
2) the reagents chosen including controls and why they are chosen,
3) at least four types of transformation assays, including both in vitro and in vivo assays, to be used to measure the properties of transformed cells, and
4) the strategy to interpret the results and to draw a conclusion.

Answers

Answer:

Experimental procedure:

1- To expose cell lines to both chemical carcinogens and viruses known to produce cancer (e.g., Epstein-Barr virus, hepatitis B virus, human papillomavirus, herpesvirus-8, etc) simultaneously.  

2- By using real-time PCR (RT-PCR), to amplify mRNAs for specific target oncogenes both in normal cells and in cells that acquired cancer traits such as, for example, cell proliferation and survival. During this experimental procedure, it is required to include in vitro transformational assays including 1-anchorage independence, 2-morphological transformation (where the cells are scored for lack of contact inhibition), 3-focus formation and 4-immortalization.

3-  Also by RT-PCR, to amplify mRNAs for specific viral mRNAs (i.e., to determine the viral load) in cancer-related cell lines.  

4- To determine if there is a statistical significance between specific oncogene mRNAs versus viral expression in cancer-related cell lines

Experimental controls:  

- Negative control: normal cells (i.e., cells non-exposed to chemical carcinogens and viruses)

- Positive control: immortalized cell lines where it has been found that the target oncogenes are expressed. It is possible to obtain this genetic data from other studies (i.e., by searching this information in the corresponding scientific publications)

Explanation:

By using this experimental procedure, it is possible to identify if there exists a correlation between the presence of viral mRNA and oncogenes previously recognized for being amplified in different types of cancers in cell lines that were capable of developing cancer traits.

g Compare the fur thickness of a red squirrel and a wolf both living in boreal forests. Which animal would have thicker fur

Answers

The Wolf will most likely have a thicker fur in boreal forests.

What is Boreal forest?

This is the area which is characterized by cold, and dry winters periods

which occur for a long period and warm, and moist summers which occur

within a short period.

The Wolf will most likely have a thicker fur because it has a large body

mass  when compared to the squirrel. The fur helps to keep them warm

against the cool weather  condition.

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