An enveloped virus is dependent on the envelope for its ability to infect a host cell. Which virus most likely uses this mechanism?
HIV
polio
rabies
Ebola
Answers
Answer:
rabies yeah I think rabies
Answer:
The answer is HIV also known as A
Explanation:
Good try though
Related Questions
how does xylem differ from phloem?
Answers
Answer:
Xylem is different from phloem structurally and functionally
Explanation:
Xylem conducts water and minerals to the leaves where phloem transports the prepared food from leaves to different parts of plant body.
which part of the cinnamon plant does cinnamon spice come from?
Answers
Answer:
the dried inner bark
Explanation:
dried inner bark
Radish flowers may be red, purple, or white. A cross between a red-flowered plant and a white-flowered plant yields all-purple offspring. The part of the radish we eat may be oval or long, with long being the dominant trait. If true-breeding red-flowered long radishes are crossed with true-breeding white-flowered oval radishes, what would the F1 generations genotype and phenotype be?
Answers
Answer:
the answer to that isAssuming incomplete dominance as describe in the cross above, where a cross between a red radish plant and a white radish plant yielded purple..
Which kingdom has members that lack major organelles such as endoplasmic reticulum, mitochondria and Golgi bodies?
A) Bacteria
B) Protist
C) Fungi
D) Plantae
Answers
Answer:
A, Bacteria
Explanation: Prokaryotic bacteria are very simple and lack organelles like ER, mitochondria, Golgi, etc.
What is the role of trees in maintaining the quality of air Class 4?
Answers
Trees provide a heavy array of benefits. From helping us to clean our water, providing food and shelter to us, relieving our stress, and providing jobs, trees also help clean the air that we breathe.
Trees have a very crucial role in removing air pollutants from the atmosphere, while at the same time releasing oxygen and absorbing carbo di oxide.
“Trees remove carbon dioxide from the surrounding and reduce the effect of greenhouse gas effect, all span providing us with clean air to breathe."
Trees become increasingly very important in urban settings as they lend a hand with air pollution via their natural cycle of carbon absorption.
It is a pretty neat cycle and is crucially important to living systems.
Another big way that trees improve air quality is by reducing our surrounding temperatures. This helps in less use of energy-demanding air conditioning units in warmer climates.
Less demand for energy generation will result in fewer pollutants emitted, lower greenhouse gases, and ultimately a very lower level of carbon in our atmosphere.
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the histology of tissue how tissues are specialised and adapted to carry out a particular function. using your biological drawing and any other sources showing how tissues are adapted for particular functions, explain each of the following statements: The histology of compact hard bone shows adaptations that are related to the function of: •bone for storage of calcium• the skeleton for support of the body
Answers
Answer:
•bone for storage of calcium: the body only gets the calcium it needs through the food you eat, or from supplements. Bones store calcium, a mineral that can be released into the bloodstream when calcium is needed elsewhere in the body.
The amounts of some vitamins and minerals we take in, especially vitamin D and calcium, directly affect the amount of calcium we store in our bones.
• the skeleton for support of the body: bones provide support for our bodies and help give them shape. Although they are very light, the bones are strong enough to support our full weight.
what is the significance of developing leaves before flowers
Answers
Answer:
Since reproduction is so important, the adaptive strategy of pre-leafing flowering is to use those energy stores to produce flowers that provide the seeds. ... Early flowering ensures that the leaves will not block the sunlight from the flower buds. Once the flowers have done their jobs, they fall and leaves appear.
Explanation:
In the global economy, an increasing proportion of influental financel decisions are being made.
Answers
The statement "In the global economy, an increasing proportion of influential financial decisions are being made" is true because of the ongoing trend of globalization and the increasing interdependence of national economies
As the world becomes more connected, financial decisions made in one part of the world can have a significant impact on other regions. Moreover, the growth of multinational corporations and global financial institutions has further increased the influence of financial decisions made by these entities.
Advances in technology and communication have made it easier for financial decisions to be made quickly and globally. High-speed trading, online banking, and real-time market data are just a few examples of how technology has transformed the financial industry, the statement is true.
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The complete question is:
In the global economy, an increasing proportion of influential financial decisions are being made.
True or False.
A student added just enough base to an acid to create a neutral solution. He asked another
student to test the resulting solution with a pH meter. What value on the pH scale should
the meter show on its display if the first student performed the procedure correctly?
A0
B.3.5
C.7
D.10
Answers
Answer:
C) 7
Explanation:
if you look at a ph scale the only neutral number is 7. less than 7 is acidic like lemons and higher than 7 is more alkaline like bleach
what is sustainable development?
what is environmental conservation?
Give short answer
Answers
Answer:
The long term development which is done by the preservation ,utilization and management of resources which is used by present generation and with preservation for future generation is sustainable development.
the conservation of habitat of living beings and plants is called environment conservation.
One of the major goals of using preservation methods such as smoking, salting, and drying is decreasing the _______ content of a food. This decreases the potential for microbial growth.
Answers
One of the major goals of using preservation methods such as smoking, salting, and drying is decreasing the water content of a food.
Preservation methods such as smoking, salting, and drying are used to reduce the water content of a food, which in turn decreases the potential for microbial growth. When the water content of a food is reduced, the conditions for microbial growth become less favorable. This is because most microorganisms require water to grow and reproduce. By reducing the water content of a food, preservation methods help to slow down or prevent the growth of microorganisms, which can cause spoilage and foodborne illnesses.
In conclusion, reducing the water content of a food is one of the main goals of using preservation methods such as smoking, salting, and drying. This helps to decrease the potential for microbial growth, which can cause spoilage and foodborne illnesses.
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Based on your observations, how does substrate concentration affect enzyme activity? (more than 1,
highlight your answers)
1. There is more enzyme activity at higher substrate concentrations due to more collisions between enzyme and substrate, until a maximum rate is reached.
2 Once the maximum reaction rate for the enzyme is reached, the reaction rate levels off.
3 The reaction rate will always increase if substrate concentration is increased.
Answers
Substrate concentration affect enzyme activity -
1. There is more enzyme activity at higher substrate concentrations due to more collisions between enzyme and substrate until a maximum rate is reached
2 Once the maximum reaction rate for the enzyme is reached, the reaction rate levels off.
The enzymatic reaction depends on various factors including temperature, substrate concentration, concentration enzyme, and other factors. The rate of a chemical reaction is affected by the total number of enzymes as well as the concentration of substrate
Increasing substrate concentration increases the activity of a corresponding enzymeAfter a certain point, the rate of activity will cease to rise regardless of any further increases in substrate levels as the environment is saturated with substrate and all enzymes are bound and reacting to the maximum limit.A high concentration of substrate causes increases in a collision between enzyme and substrate. Collisions bring substrate molecules and enzymes together and increase enzymatic activity.Thus, Substrate concentration affect enzyme activity -
1. There is more enzyme activity at higher substrate concentrations due to more collisions between enzyme and substrate until a maximum rate is reached
2 Once the maximum reaction rate for the enzyme is reached, the reaction rate levels off.
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if i have a dream about someone i know (that i dont like as a crush) that kissed me on the head in the dream what does it mean (help pls :/
Answers
the functions of the erector spinae muscles include ______.
Answers
The functions of the erector spinae muscles include extension, flexion, lateral flexion, and rotation of the spine.
The erector spinae muscles are a group of muscles located in the back. They consist of three main muscles: the iliocostalis, longissimus, and spinalis. These muscles play a crucial role in maintaining posture and facilitating movement.
One of the primary functions of the erector spinae muscles is extension of the spine. They help us stand upright and maintain an erect posture. When these muscles contract, they pull the spine backward, allowing us to extend our back.
The erector spinae muscles also assist in flexion of the spine. When we bend forward, these muscles contract to help us flex our spine and bring our torso closer to our legs.
In addition to extension and flexion, the erector spinae muscles enable lateral flexion of the spine. This means they allow us to bend our torso sideways, facilitating movements such as side bending.
Furthermore, the erector spinae muscles contribute to the rotation of the spine. They allow us to twist our torso, enabling movements like turning our upper body to the left or right.
Overall, the erector spinae muscles provide stability and support to the spine, enabling us to perform various movements and maintain proper posture.
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The erector spinae muscles play a crucial role in the movement and stabilization of the spine.
They are a group of muscles located on either side of the vertebral column, extending from the base of the skull down to the pelvis. The functions of the erector spinae muscles include:
Spinal Extension: The primary function of the erector spinae muscles is to extend the spine, allowing you to stand upright and maintain an erect posture. These muscles work together to counteract the forward bending (flexion) of the spine and promote extension.
Spinal Flexion: While their primary function is extension, the erector spinae muscles also contribute to spinal flexion, especially in the lower back region. They control the movement of the spine during forward bending, such as during activities like bending down to pick something up.
Spinal Lateral Flexion: The erector spinae muscles also assist in the lateral flexion of the spine, allowing you to bend or tilt sideways. When one side of the erector spinae muscles contracts more than the other, it results in lateral bending or side-to-side movements.
Spinal Rotation: The erector spinae muscles provide some rotational control of the spine. They assist in rotating the torso to the left or right, helping with movements like twisting or turning the upper body.
Postural Support: These muscles contribute to maintaining proper posture and spinal alignment. They work to stabilize the spine and prevent excessive movement or misalignment during various activities, including sitting, standing, and lifting objects.
Core Stability: The erector spinae muscles are part of the deep core muscles, along with the abdominal muscles, pelvic floor muscles, and other muscles of the trunk. Together, these muscles provide stability and support to the spine and help transfer forces between the upper and lower body.
Overall, the erector spinae muscles are vital for maintaining proper spinal alignment, supporting posture, and facilitating various movements of the spine, including extension, flexion, lateral flexion, and rotation.
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homologous or analogous
Answers
Homologous and analogous are two biological terms that are frequently used to compare structures or functions of different organisms.
Homologous refers to structures or functions that are similar due to common ancestry, while analogous refers to structures or functions that are similar due to convergent evolution. Homologous structures are those that share a common ancestry. They have a similar basic structure, but may have different functions. An example of homologous structures is the wings of bats, birds, and insects.
Although these structures have different functions in each organism, they share a similar structure due to their common ancestry. Homologous structures are important evidence for evolution, as they demonstrate that different species share a common ancestor with a similar structure that has been modified over time to perform different functions.
Analogous structures, on the other hand, are those that have a similar function, but do not share a common ancestry. They have evolved independently in different organisms to perform similar tasks. An example of analogous structures is the wings of birds and insects.
Although they serve a similar function (flight), they have different basic structures and are not related by common ancestry. Analogous structures are important evidence for convergent evolution, as they demonstrate that different species can evolve similar structures to adapt to similar environmental pressures.
In conclusion, homologous structures are similar due to common ancestry, while analogous structures are similar due to convergent evolution. Understanding the differences between these two concepts is important in understanding the mechanisms of evolution and the relationships between different organisms.
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Determine if the statement is true or false, and why. “Most features are caused by a mixture of inheritance and environmental factors.”
A. False, it should read “Most features are caused by inheritance.”
B. True
C. False, it should read “Most features are caused by environmental factors.”
D. False, it should read “All features are caused by a mixture of inheritance and environmental factors.”
Answers
The statement is False, it should read, Most features are caused by inheritance of a character. Thus option A is correct.
What is inherited trait ?Inheritance is defined as the transfer of genetic information from parents to their offspring.
The transferred characters or traits include eye color, hair color, and blood type.
Trait can be defined as the genetic character which can be transmitted by the parent to its offspring during fertilization.
The trait which is expressed phenotypically is called as dominant trait while the other trait which is not expressed called as recessive trait.
These variations are observed in the species due to survival benefits or genetic drift.
Acquired traits are acquired by an individual in his lifetime which is due to their own activities or external influence.
Like inherited traits, acquired traits are unable tp pass to the next generation like ability to dance, cook.
Thus option A is correct.
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sucrose is the principal form in which sugar is transported from leaves to the rest of the plant ; glycogen and starch are the storage polysaccharides of animals and plants, respectively . what are the monosaccharide units of these compounds? what type(s) of bonds connect the monomers?
Answers
Sucrose, the principal form in which sugar is transported in plants, consists of two monosaccharide units: glucose and fructose.
The monomers are connected by a glycosidic bond.
Glycogen, the storage polysaccharide in animals, is composed of glucose monosaccharide units. These monomers are connected by alpha-1,4-glycosidic bonds with occasional alpha-1,6-glycosidic bonds, creating a highly branched structure.
Starch, the storage polysaccharide in plants, is made up of glucose monosaccharide units as well. The monomers are connected by alpha-1,4-glycosidic bonds, forming a linear chain. However, starch can also contain alpha-1,6-glycosidic bonds, resulting in a branched structure similar to glycogen.
In summary:
- Sucrose: glucose and fructose monomers connected by a glycosidic bond.
- Glycogen: glucose monomers connected by alpha-1,4-glycosidic bonds with occasional alpha-1,6-glycosidic bonds.
- Starch: glucose monomers connected by alpha-1,4-glycosidic bonds, with the possibility of alpha-1,6-glycosidic bonds leading to branching.
These monosaccharide units and the type of bonds connecting them determine the structure and function of these compounds in plants and animals.
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Fritz has a DNA test to determine if he shoplifted from a local convenience store. The test results are inclusive. This means Fritz_____.has an identical twinwas at the scene of the crimeis not guilty of shopliftinghas never been to the store
Answers
The human DNA analyze is usually conclusive evidence about a crime, since each individual has their unique genetic code. Fritz results were inconclusive, therefore the sample did not showed a result corresponding to the one on the crime scene. In this case Fritz is not guilty of shoplifting.
2 - Give 2 examples of words from the content
Answers
which criterion is not used to describe a mass movement event?
Answers
Answer: The angle of the slope
In a freshwater ecosystems which zone has the most life and why?
A.photic zone, because it is closer to land
B.photic zone, because it receives more light
C.aphotic zone, because there is more room for plants
D.aphotic zone, because there is more underwater soil for roots
Answers
Answer:
B, photic zone, because it receives more light
Over the past 100 years, Earth ’s average surface temperature has gradually increased, causing minor climate changes in areas across the world. Scientists are worried that these climate changes will lead to the extinction of many species.
Briefly explain “why fast climate change would cause extinction.”
Answers
Answer:
Fast climate change would alter the environment and ecology making it difficult to survive then extinction
Explanation:
When the climate change becomes fast there will not be enough time for adaptation and survival rate will nosedive leading to extinction of species
In certain lizards, the ability to lose the tail if attacked by a predator serves a protective function. These types of physical characteristics that help organisms to survive are best known as
Answers
The ability of certain lizards to lose their tail if attacked by a predator is an example of a protective function exhibited by physical characteristics, which are commonly referred to as adaptations.
Physical characteristics that aid organisms in their survival are called adaptations. These adaptations can be structural, physiological, or behavioral in nature. In the case of certain lizards, their ability to shed their tail when attacked by a predator is a defensive adaptation that helps them escape from potential harm.
1. Adaptations: Adaptations are traits or features that have evolved in organisms to enhance their chances of survival and reproduction. These can include anatomical structures, physiological processes, or behavioral patterns.
2. Defensive Adaptations: Defensive adaptations are specifically geared towards protecting an organism from harm. In the case of lizards, the ability to shed their tail, a behavior known as autotomy, is a defensive adaptation.
3. Autotomy: Autotomy is the self-amputation or shedding of a body part by an organism. Lizards, such as certain species of geckos or skinks, have developed the ability to voluntarily shed their tail when under attack. The detached tail continues to move, distracting the predator and allowing the lizard to escape.
4. Protective Function: The ability to lose the tail serves a protective function by allowing the lizard to survive encounters with predators. By sacrificing their tail, lizards can increase their chances of survival by diverting the predator's attention and facilitating their escape.
In summary, the physical characteristic exhibited by certain lizards, where they can lose their tail if attacked by a predator, is an adaptation that serves a protective function. This ability, known as autotomy, enhances their chances of survival by enabling them to escape from potential predators.
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How is the phrase, “you are what you eat,” related to metabolism? Explain what that means.
Answers
Answer:
Because when you metabolize something you adsorb it's nutrients.
Explanation:
Is self-explanatory. Look at the answer...
Write an essay describing your chosen genetic disorder. Include information about the genetic mutation that cause the disorder the effects and symptoms of the mutation how it is acquired and how common it is
Answers
A genetic disease is a condition that, entirely or in part, results from a change in the usual DNA sequence.
Sickle cell anemia is one of the inherited illnesses. The structure of red blood cells, which carry oxygen to every part of the body, is impacted.Typically rounded and flexible, red blood cells may flow through blood veins with ease. Sickle cell anemia is characterized by red blood cells having crescent-shaped or sickle-shaped hemoglobin. These sickle cells also form a tough, sticky covering that may slow or prevent blood flow. Cause: A mutation in both copies of the hemoglobin-Beta gene (HBB) gene on chromosome 11 results in the hereditary illness sickle cell disease (SCD). An element of hemoglobin, the protein in red blood cells that carries oxygen, is encoded by this gene. Because of the mutation, hemoglobin molecules clump together to form red blood cells with a sickle shape.Symptoms: Anemia, Periodic episodes of extreme pain, Swelling of hands and feet, Frequent infections, Delayed growth or puberty and Vision problems.You receive 1 set each from your father and mother as inheritance. A kid must receive a copy of the sickle cell gene from both of its parents in order to be born with sickle cell disease. This often occurs when both parents have the sickle cell trait, commonly known as being "carriers" of the sickle cell gene.Learn more about the Genetic disorder with the help of the given link:
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write an article on the topic 'impact of population on ecosystem'.
Answers
Abstract -
The rapid increase of human population is putting an incredible strain on our environment. While developed countries continue to pollute the environment and deplete its resources, developing countries are under increasing pressure to compete economically and their industrial advancements are damaging as well. The demands that this growth places on our global environment are threatening the future of sustainable life on earth. One of the largest environmental effects of human population growth is the problem of global warming. Some scientists fear that global warming will lead to rising sea levels and extreme weather conditions in the future. In order to support the growing population, forests are being destroyed at an alarming rate. Humans also continue to put a great demand on the natural resources of our planet. Many non-renewable resources are being depleted due to the unrestrained use of fuel and energy. Many parts of the world also suffer from a shortage of food and water. The growth of population puts larger demands on our already limited resources. The environment on earth is suffering from the growth of global population. The depletion of resources and biodiversity, the production of waste, and the destroying of natural habitat are serious problems that must be addressed in order to ensure that life on earth will be sustainable throughout the next century. Keywords: Industrial advancements, Land and soil degradation, global warming, Climate change, Air and water pollution, Deforestation, Physical environment.
which is not part of the process of initiation of replication at oric?
Answers
The initiation of replication at oric occurs with the help of the DnaA protein. It has been reported that it is an essential process in bacteria, and it is associated with the DNA replication initiation process.
In the initiation of replication, DnaA protein binds to DnaA boxes of the oriC region, after which the melting of the DNA strands begins.During this initiation process, various proteins participate, which are as follows:DNAA protein - It is essential in the initiation process and helps in the binding of the protein with the dnaA box and the DNA's melting.DNAB protein - It is a helicase enzyme that is responsible for the unwinding of the DNA double helix.DNAC protein - DNAC protein is a subunit of the DnaB helicase enzyme.
DNAG protein - DNAG protein is an enzyme that helps in the synthesis of DNA.The process of initiation of replication at oric requires four different types of proteins. The above-provided proteins are necessary for the initiation of replication at oric. Therefore, there is no such protein which is not part of the process of initiation of replication at oric.
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true/false. reducing our use of fossil fuels can benefit ocean ecosystems by preventing ocean acidification, reducing pollution from oil spills and other forms of contamination, and mitigating the effects of climate change, which can harm marine organisms, their habitats, and the overall health of the oceans.
Answers
The statement "reducing our use of fossil fuels can benefit ocean ecosystems by preventing ocean acidification, reducing pollution from oil spills and other forms of contamination, and mitigating the effects of climate change, which can harm marine organisms, their habitats, and the overall health of the oceans." is true.
Fossil fuels are a major contributor to ocean acidification, which can harm marine organisms and their habitats. Fossil fuel use is also a significant source of pollution, including oil spills and other forms of contamination, which can have devastating effects on ocean life.
Additionally, mitigating the effects of climate change, which is largely driven by the burning of fossil fuels, is crucial for protecting the health of the oceans and the organisms that inhabit them.
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In a paragraph or two describe the different types of consumers, including the type of food each consumer eats and their position in the food chain.
Answers
Herbivores and carnivores are different types of consumers that eat plants and meat, respectively. The carnivore animals are located at higher levels in the food chain.
What is the ecology food chain?The food chain is a series of interconnected organisms in a given ecosystem for which energy flows between different trophic levels. In the food chain, herbivore animals are located only up from producers since they consume plants.
Therefore, with this data, we can see that the ecology food chain is composed of different levels and herbivores represent the second trophic level because they eat plants (producers).
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Lewis is running in a race. His muscles need oxygen. Which best describes how multiple systems interact to bring him into homeostasis?
The circulatory system brings oxygen to the respiratory system, which delivers oxygen to the muscular system.
The respiratory system brings oxygen to the circulatory system, which delivers oxygen to the muscular system.
The respiratory system brings oxygen to the circulatory system, which delivers oxygen to the skeletal system.
The circulatory system brings oxygen to the respiratory system, which delivers oxygen to the skeletal system.
Answers
Answer:
The circulatory stem brings oxygen to the respiratory system, which delivers oxygen to the muscular system.
Explanation: Hope this helps! :)