Epigenetics are different than mutations in that mutations can change DNA sequences and is therefore denoted as option B.
What is Mutation?This is a term which is referred to as a change in the DNA sequence of an organism during DNA replication in the process of cell division and is usually caused by exposure to mutagens and a viral infection in the body of the organisms.
Mutation however can change DNA sequences while on the other hand, epigenetics are reversible and do not change your DNA sequence which is therefore the reason why it was chosen as the correct choice.
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Glycogen phosphorylase (GP) targets the non-reducing ends of glycogen to cleave glycogen and produce one glucose-1P at a time. GP will do this until it is three glucose molecules from the glucose molecule with the branch point - at which time another enzyme takes over the degradation. Which glucose molecule(s) on glycogen are substrates for GP based on this information
Answer:
Glucose molecules bound together by a-1,4 glycosidic linkages, and they must be >4 glucose molecules away from a branch point.
Explanation:
Glycogen phosphorylase can not degrade the glucose polymer close to the branch point because these sections of the glycogen molecule are to short for the glucose polymer to fit properly into the active site of the GP enzyme. The GP enzyme can therefore only degrade the 'straight' portions of glycogen. To degrade a branch point, a debranching enzyme is required. The debranching enzyme has transferase (cleaves off glucose molecules right before branch point and moves them to the end of another branch) and a-1,6 glycosidic activity which removes the branching glucose.
Glucose molecules are restrained together by a-1,4 glycosidic connections, and they must be >4 glucose molecules missing from a branch issue.
What are Glucose molecules?
Glycogen phosphorylase can not devalue the glucose polymer proximate to the branch pinpoint because these provinces of the glycogen molecule are too quick for the glucose polymer to fit properly into the involved site of the GP enzyme.
The GP enzyme can thus, only impair the 'straight' pieces of glycogen. To degrade a branch point, a debranching enzyme is directed.
The debranching enzyme has transferase (cleaves off glucose molecules correct before the attachment point and carries them to the end of another branch) and a-1,6 glycosidic movement which dismisses the branching glucose.
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What is the site of Photosynthesis?
Answer:
chloroplasts?
Answer:
The Cell. All green parts of a plant, including green stems and unripened fruit, have chloroplasts, but the leaves are the major sites of photosynthesis in most plants (FIGURE 10.2).. There are about half a million chloroplasts per square millimeter of leaf surface.
Explanation:
i hope this helps!
Part A
Which Of The Following Student-Drawn Cell Models Contain Two Chromosomes? Select All That Apply.
Answer:
the last one , the second to last one and the first one I am pretty sure
A, C and D are the student-Drawn Cell Models that Contain Two Chromosomes.
Every cell in your body has DNA, which is the form in which your genetic code is stored. It creates your body's manual of operations. Each cell's nucleus contains chromosomes, which are structures that resemble threads and contain the DNA molecule.
A chromosome is referred to be a "homologous chromosome" if it has a similar genetic makeup but also includes replication-induced variations. Sister chromatids are the two halves of a certain chromosome that are joined at the centromere. Chromosomes known as "replication chromosomes" arise after the cell has undergone the process of DNA replication to prepare for cell division.
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Distinguish between dimorphic, polymorphic, and continuously variable traits.
Dimorphic, polymorphic, and continuously variable traits are distinguished as follows:
Dimorphism is the condition of those species of animals or plants that exhibit two anatomical aspects or two different forms.When talking about polymorphisms in genetics, reference is made to the different variations that may exist on the DNA of the same gene.Continuously variable traits are those that show a continuous distribution of phenotypes.Therefore, we can conclude that dimorphism is a polymorphism with only two forms, the polymorphism is any stable change of the DNA fixed in the population and in continuously variable traits the phenotypes show a continuous series and cannot be easily grouped.
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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.
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.
As Ben approached and began his retirement he planned a variety of
projects and activities. He increased his volunteer work as a mentor,
went on trips with his wife, and helped his son and grandson build an
entertainment center for their family room. He has also become an
officer of the rotary club. When asked if he missed the authority and
status of his job he said he felt he was doing the best and most
important work he had ever done and was really enjoying it. Ben
demonstrates successful
1. disengagement
2. dual representation
2 ego differentiation
4. Identity development
5. affect optimization
The scenario described suggests that Ben is demonstrating successful disengagement. The correct option is 1, disengagement.
What is disengagement?
Disengagement is a concept within the field of gerontology that refers to the process of withdrawing from work-related roles and responsibilities in preparation for retirement.
It involves shifting focus and finding new sources of fulfillment and purpose in life.
Ben is actively involved in various projects and activities after retiring, such as increasing his volunteer work, going on trips, and assisting his family. He has found new sources of fulfillment and purpose, indicating a successful disengagement from his previous job.While Ben may still carry some aspects of his previous job identity, the focus of the scenario is on his engagement in new activities and finding fulfillment in retirement, suggesting disengagement is a more suitable option.Thus, the correct option is 1, disengagement.
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Which term describes a type of trait that is usually expresses only when an organism has two identical alleles for the trait?
A trait that is usually expressed only when an organism has two identical alleles for the trait is called a "recessive trait." When an organism has two different alleles for a trait, the trait that is expressed is called a "dominant trait."
what is the temperature of a glass of water
Answer:
without Ice: between 50 and 72 degrees °F
With Ice: 32°F
Explanation:
Related to weather what does 0% cloud cover mean?
Answer: 0% cloud coverage means there are no clouds in the sky and it is a clear day.
Explanation: Cloud cover mean how much cloud coverage and 0% means nothing at all is covered.
What is an example of an extrusive land forms
Answer:
Extrusive landforms are formed from material thrown out to the surface during volcanic activity. The materials thrown out include lava flows, pyroclastic debris, volcanic bombs, ash, dust and gases such as nitrogen compounds, sulphur compounds and minor amounts of chlorine, hydrogen and argon.
Explanation:
here hope it helps
PLSS ANSWER
Which of the following is a way that animals can harm the environment?
Blocking sunlight
Dispersing seeds
Providing shelter
Spreading disease
Answer:
Spreading Disease
Explanation:
Animals can pick up disease then travel with it spreading it, therefore, harming the environment.
What is a chromosome?
Chromosomes are structures formed by a DNA molecule associated with protein molecules. In prokaryotic cells, we observe a circular chromosome; in eukaryotes, chromosomes are linear and located inside the nucleus.
which of the following occurs during the process of asexual reproduction
Mitosis only
meiosis only
Mitosis and meiosis
none of the these
Answer:
Explanation:
Reproduction may be asexual when one individual produces genetically identical offspring, or sexual when the genetic material from two individuals is combined to produce genetically diverse offspring. Asexual reproduction occurs through fission, budding, and fragmentation.
How does energy move through photosynthesis?
Answer:
Energy from the sun is absorbed by the chloroplasts in the leaves of a plant. The light energy is converted into chemical energy as the chloroplasts use the light to power the production of glucose from carbon dioxide and water. The glucose is used by the plant to produce energy and build new cells, and any excess glucose is stored as starch. Oxygen is also released as a by-product of photosynthesis.
Answer:
Explanation:
certain organisms convert solar energy (sunlight) into chemical energy, which is then used to build carbohydrate molecules. The energy used to hold these molecules together is released when an organism breaks down food. Cells then use this energy to perform work, such as cellular respiration.
Which statement accurately describes chemical sedimentary rock?
Which graphic organizer is commonly used to compare and contrast ideas?
Venn diagram
mind map
word web
problem-solution chart
Answer:
Venn diagram
Explanation:
The Venn diagram is a graphical organizer which is commonly used to compare and contrast ideas.
The Venn diagram is represented by several number of circle that represents different areas in order to compare one area to another. If the circles are overlapping it shows commonality or similarity between those both areas are. The Venn diagram makes easy to understand the difference or similarity between two areas.
Hence, the correct answer is "Venn diagram".
Answer:
A- Venn diagram
Explanation:
Edge22' <3
PLEASE ANSWER QUICK!!! Is it possible that the Gigantopithecus could have survived?
Answer:
No
Explanation:
Why is it extinct becuase it was the largest ape speccies it needed alot of food the Gigantopithecus died at the end of the ice age in china the ice age was a hard time but it managed to survive until the ice age ended and the climate of earth changed and by it's huge size it slwoed it down in the new climate nobodys ever seen a Gigantopithecus with there own eyes and the first fossils was found mid 1900s so it isn't impossible that the's giant apes still exict but just from a facts extremly unlikely :)
Earth's temperature has increased slightly in the last 100 years. Many scientists believe that
the increase is related to human activities, particularly the burning of fossil fuels. What gas
produced in this process has been most closely linked to rising atmospheric temperatures?
A) soot
B) chlorofluorocarbons
C) nuclear waste
D) carbon dioxide
The gas produced in the burning of fossil fuels that has been most closely linked to rising atmospheric temperatures is carbon dioxide. Option D
What is the burning of fossil fuel?
As a byproduct of combustion when fossil fuels like coal, oil, and natural gas are used to produce energy, carbon dioxide is discharged into the atmosphere.
As a greenhouse gas, carbon dioxide absorbs heat from the sun inside the Earth's atmosphere, creating the greenhouse effect, which causes global warming. The Earth's natural greenhouse effect, which keeps the globe warm enough to support life, is caused by this phenomena.
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Please help
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the amount of soil is a _____ variable.
A. independent
B. dependent
C. constant
D. temporary
Answer:
A. independent
Explanation:
Which of these ideas would be the best course of action for decreasing land temperatures?
Answer:A
Explanation:
Plant growth is the result of cells dividing during _____.
plss help
Answer:
Plant growth is the result of cells dividing during mitosis.
Explanation:
Mitosis is the process in which cells divide for cell growth or repair. All the cells, as a result of mitosis will have the same number of chromosomes as of the cell at the start.
Answer:
mitosis
Explanation:
Hope this helps
Hershey and Chase labelled phages with 32P and 35S. They found that the S35 labelled protein remained outside the cell and could be removed without affecting the phage infection. 32P labelled DNA entered the bacterial cells and could be found in progeny phages. Could this experiment have been performed using radioactively labelled hydrogen and carbon?
This experiment could not be performed using radioactively labelled hydrogen and carbon
The research of Hershey and Chase has shown that the genetic material they used to create the radioactive T2-bacteriophage is DNA (Viruses that infect E. coli bacteria). Virus T2 or the Enterobacteria phage The Group-I bacteriophage includes T2.
The T2-bacteriophage belongs to the Myoviridae family and has a linear, ds-DNA genome. The head, collar, and tail are the main components of the T2-bacteriophage's body. Because of its tail, the T2-bacteriophage resembles the T4-like virus or T4-bacteriophage.
In the Hershey and Chase Experiment, radioactive phosphorus (P32) and radioactive sulphur (S35) were used to identify the phage DNA and protein in order to determine which will infect E. coli. Hershey and Chase carried out a number of studies, including infection, mixing, and centrifugation, after labeling the phage DNA and protein.
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William Shakespeare's writings are thought to be a perfect example of which of the following? A. The Reformation B. The Enlightenment C. The Renaissance
Explanation:
The Renaissance because and The enlightenment
Reformation is a religious revolt
Organic compounds are all at least partially composed of the element ________________.
Organic compounds are all at least partially composed of the element ________________.
carbon
sodium
hydrogen
nitrogen
magnesium
Answer:
Carbon
Explanation:
Carbon is considered as the key element in organic compounds.
The ability to combine strength and speed is defined as:
Answer:
its defined as power
Explanation:
The combination of strength and speed is commonly referred to as power. Power, the ability to combine strength with speed while moving, allows you to do explosive movements such as jumping high, putting a shot, or swinging a softball or baseball bat to hit a ball a great distance
Agility. Agility is the key factor in being accurate and fast at the same time, making a person possible more versatile. I guess I didn't explain this good enough the first time. Though this may seem like an odd example, think about an assassin. They have to be fast, strong, and accurate in order to achieve the goal of assassination. This makes them versatile. Whenever a person is versatile they are not only fast, strong, and accurate, but they are also agile. Agility is another way to sum up the key factors of versatility.
Hope this helps and have a Merry Christmas,
Miri
50 pts!!PLEASE HELP HURRY-TIMED-
Answer each question individually
___________________________
1) what effect does the higher percentage of the compact bone portion have upon weight of the bone
2) describe the texture of the marrow from the chicken bone
3) describe the texture of the marrow from the beef bone
6) which narrow was denser?(had more mass in the given volume)? What impact would that have on the overall density of the bone
7) in a short paragraph, relate the density of the bone to the activities and environment of each animal, both bird and cattle (just give like 2 sentences)
Answer:
Explanation:
A higher percentage of compact bone portion typically results in a heavier bone, as compact bone is denser than spongy bone and contains more mineralized tissue.The marrow from a chicken bone is usually soft and gelatinous, with a slightly yellowish-white color.The marrow from a beef bone is typically firmer and more solid than chicken marrow, with a reddish-brown color.I apologize, but there seems to be a question missing from the sequence.The denser marrow was not specified, so I cannot answer this question.The overall density of the bone would be impacted by the density of the marrow, as well as the density of the compact and spongy bone portions.The density of the bone is related to the activities and environment of each animal. For example, birds that fly and need to be lightweight tend to have bones with a higher percentage of air spaces and spongy bone, which reduces weight. Cattle, on the other hand, have denser bones to support their larger bodies and movements on land.
HELP!!!!!
I WILL MARK YOU AS THE BRAINLIEST ANSWER!!!
Annotate the symbol by the reference image. Then, explain why this symbol represents an ion and how many electrons it has.
• the name of the element
• the charge
• the mass number
• the atomic number
Answer:
since the symbol has a "+1" sign at the top right corner it represents a positively charged ion.
it has 4 electrons as it has "+1" symbol meaning it lost one electron out of initially 5 electrons present.
name of element = Boronthe charge = +1the mass number = 11the atomic number = 5Answer: ion has a 2+ charge then it must have lost electrons to form the cation. If the ion has 18 electrons and the atom lost 2 to form the ion, then the neutral atom contained 20 electrons. Since it was neutral, it must also have had 20 protons. Therefore the element is calcium.
]
Which of the following had the biggest impact on species growth and diversity?
explain how a bacterial cell can be genetically modified to glow in the dark.
The process of genetically modifying a bacterial cell to produce a glowing effect is called genetic transformation.
How does genetic transformation work?This is usually achieved through the insertion of a foreign piece of DNA, such as a gene for bioluminescence, into the bacterial cell's genetic material.
One common method for introducing new DNA into bacterial cells is through a process called electroporation. This involves briefly exposing the cells to an electrical pulse, which temporarily disrupts the cell membrane and allows the foreign DNA to enter.
Once the foreign DNA has been incorporated into the bacterial cell's genome, it can be expressed and translated into a protein that produces the glowing effect. In the case of bioluminescence, the gene for the bioluminescent protein is expressed, leading to the production of the protein that emits light.
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If a man with blood type AB marries a woman who is heterozygous for blood type B, what is the probability of having a child with blood type O?
Considering the probabilities of these outcomes, the chance of having a child with blood type O is 50% if a man with blood type AB marries a woman who is heterozygous for blood type B.
To determine the probability of having a child with blood type O, we need to analyze the possible blood type combinations that can result from the parents' genotypes.
The man has blood type AB, which means he has both A and B antigens on his red blood cells. The woman is heterozygous for blood type B, meaning she carries one B allele and one recessive O allele. The possible genotypes for the man are AB (IAIB) and the possible genotypes for the woman are BB (IBIB) or BO (IBi).
When these two individuals have offspring, their children can inherit any combination of the parents' alleles. The possible combinations are as follows:
AB x BB: All children will have blood type B (IBIB), as both parents only carry the B allele.AB x BO: There is a 50% chance that each child will inherit the O allele from the mother, resulting in blood type O (ii). There is also a 50% chance that each child will inherit the B allele from the mother, resulting in blood type B (IBi).
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