For DNA viruses, the virus cycle occurs in the ______. Whereas the virus cycle for RNA viruses occurs in the ______.
Answers
For DNA viruses, the virus cycle occurs in the host cell nucleus. Whereas the virus cycle for RNA viruses occurs in the host cell cytoplasm.
DNA viruses, such as herpesviruses and adenoviruses, replicate their genetic material in the nucleus of the host cell. The virus enters the host cell and releases its DNA genome. The viral DNA then utilizes the host cell's machinery to transcribe and replicate itself. This involves the synthesis of viral mRNA and the production of viral proteins. The replicated DNA is packaged into new virus particles, which are then released from the host cell to infect other cells.
On the other hand, RNA viruses, including influenza viruses and coronaviruses, carry their genetic material in the form of RNA. These viruses replicate their RNA genomes in the cytoplasm of the host cell. After entering the cell, the RNA virus uses its RNA genome as a template to synthesize viral proteins.
The viral RNA is then replicated, forming new copies of the viral genome. These copies are packaged into new virus particles, which are subsequently released from the host cell to infect neighboring cells.
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Related Questions
write one function of uric acid
Answers
Antioxidant
Explanation:
Most serum uric acid is freely filtered in kidney glomeruli, and approximately 90% of filtered uric acid is reabsorbed, implying that it has a considerable physiological role [2], [5]. In humans, over half the antioxidant capacity of blood plasma comes from uric acid [5], [6]. Uric acid is a strong reactive oxygen species (ROS) and peroxynitrite scavenger and antioxidant [5], [6], [7], [8]. High levels of uric acid are readily detected in the cytosol of normal human and mammalian cells, especially in the liver [9], vascular endothelial cells, and in human nasal secretions, where it serves as an antioxidant
Answer:
It forms ions and salts known as urates and acid urates, such as ammonium acid urate.
Explanation:
Can someone pls answer these multiple-choice questions, will mark as brainliest.
Answers
Which of the following statements about plankton or nekton is NOT correct?
a. Nekton are active swimmers.
b. Phytoplankton are important primary producers.
c. All plankton are closely related to plants.
d. Plankton drift or swim weakly.
e. Zooplankton are heterotrophic plankton.
Answers
Answer:
C. All plankton are closely related to plants.
Explanation:
Plankton are organisms found in water that exist in a drifting state. They are too small or weak to swim on their own, so they let the current or tide carry them. They are usually microscopic but include larger species as well, such as some crustaceans and jellyfish.
Phytoplankton are autothrophic plankton. This means that they produce their own food. They are primary producers and closely related to plants.
Zooplankton are heterotrophic plankton, which means that they feed on other organisms. They are animals and aren't closely related to plants.
Nekton are organisms found in water that swim actively.
Based on this information, we can conclude that statement C is the only incorrect statement.
The graph shows one consequence of urban sprawl. How did urban sprawl
contribute to the change in biodiversity?
Answers
Urban Sprawl leads to reduced habitat and fragmentation. Option D
How does Urban Sprawl affect biodiversity?Natural ecosystems are frequently destroyed and fragmented as a result of urban sprawl. Forests, marshes, and other habitats are destroyed when cities grow to make room for new structures, parking lots, and other infrastructure.
The remaining natural areas become fragmented as a result of habitat loss, isolating populations of plants and animals and interfering with their ecological connectedness. Fragmented ecosystems make it harder for species to migrate, reproduce, and obtain suitable resources, which causes biodiversity to dwindle.
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which of the following actions is a valid scientific course of action?
a. A government agency relies heavily on two industry-funded studies in declaring a chemical found in plastics safe for humans, while ignoring studies linking the chemical with adverse health effects. b. Several research studies have found a new drug to be effective for treating the symptoms of autism; however, a government agency refuses to approve the drug until long term effects are known. C. Journalists give equal credibility to both sides of a scientific story, even though one side has been disproven by many experiments. d. A government agency decides to alter public health messages about breast-feeding in response to pressure from a council of businesses involved in manufacturing infant formula,
Answers
The action which is a valid scientific course of action is (b) Several research studies have found a new drug to be effective for treating the symptoms of autism; however, a government agency refuses to approve the drug until long-term effects are known.The correct answer is option (b).
In scientific research and regulatory processes, it is important to prioritize evidence-based decision-making and consider the long-term effects and safety of any intervention or substance. While initial research studies may show promise for a new drug in treating a specific condition, it is crucial to conduct further studies to evaluate its long-term effects, potential side effects, and overall safety profile.
In contrast, options a, c, and d exhibit actions that are not scientifically valid. Option a describes a bias in favor of industry-funded studies, disregarding conflicting evidence, which goes against the principles of unbiased evaluation and consideration of all available data. Option c suggests giving equal credibility to disproven claims, which contradicts the scientific approach of relying on empirical evidence. Option d highlights a decision influenced by external pressure rather than scientific evidence and public health considerations, which compromises the integrity of the decision-making process. Hence option (b) is the correct answer.
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PLS HELP I WILL GIVE BRAINLIEST!!!!
In this activity, you will develop two models for growing new trees that make either red or yellow apples. The two models should compare sexual reproduction and asexual reproduction (grafting). Include the genotypes of the parents and the offspring in your models.
To model sexual reproduction, use Punnett squares to show the results of crosses between trees with different colors of apples. Start by showing a cross between one red parent that has the genotype CC and one yellow parent that has the genotype cc.
Then choose two trees from the first generation of offspring to make a second generation. Cross each of them with another tree that has the genotype Cc.
To model asexual reproduction, use a branching diagram (concept map or tree diagram) to show the results of grafting. Start with a parent that has the genotype Cc. Show four offspring for the first generation of grafting. Then choose two of these offspring as parents for a second generation of grafted trees.
Finally, write two short paragraphs: one under the Punnett squares and another under the branching diagram. Each paragraph should summarize what the diagram shows about genetic variation.
Answers
CC x cc
(red parent) (yellow parent)
Cc x Cc
(offspring from first generation)
C_ x c_
(choose two offspring from first gen)
C_ x Cc
(cross each with Cc parent)
The Punnett square diagram shows genetic segregation and recombination in sexual reproduction of trees with different apple colors. By crossing red and yellow parent trees, a diverse array of offspring with different apple colors (red, yellow, pink) can be produced. The offspring have different combinations of the C and c alleles that determine apple color. Some offspring will receive only C alleles (red), only c alleles (yellow), or both (pink). Further crosses with new parental trees will provide even more variation.
Ever-increasing genetic diversity can be achieved through multiple generations of sexual reproduction.
Cc (parent)
|
Cc (offspring)
|
Cc (offspring)
|
Cc (offspring)
Cc (parent) Cc (offspring)
| |
Cc (offspring) Cc (offspring)
Through asexual reproduction via grafting, the branching diagram shows how the same genetic material (Cc) is propagated. The offspring are genetically identical clones of the parent tree. No new combinations of alleles or genetic diversity are produced. The trees will continue to produce apples of the same color (in this case, red and yellow) as the original parent. Asexual reproduction maintains the existing genotype across generations.
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Punnett squares demonstrates that se.x.ual reproduction can produce genetic variation in the offspring, leading to new combinations of traits.
Branching diagram shows that asexual reproduction can produce trees with consistent traits, but lacks genetic variation as only one genotype is being passed down through generations.
What constitutes the models?
Modeling sexual reproduction using Punnett squares shows that the offspring inherit one allele from each parent. When a red parent with the genotype CC is crossed with a yellow parent with the genotype cc, all the first-generation offspring will have the genotype Cc and have red apple fruit.
\(read\) \(it\) \(all\)!
When these first-generation offspring are crossed with another tree that has the genotype Cc, the second-generation offspring will have the genotype CC, Cc, or cc and either have red or yellow apple fruit.
This model demonstrates that sexual reproduction can produce genetic variation in the offspring, leading to new combinations of traits.
Modeling asexual reproduction using a branching diagram shows that the offspring are genetically identical to the parent tree, as the same genotype is maintained through grafting. Starting with a parent tree that has the genotype Cc and grafting it to four other trees results in four identical offspring that also have the genotype Cc.
When two of these offspring are chosen as parents for a second generation of grafted trees, the resulting offspring will also be genetically identical to the parent trees.
This model shows that asexual reproduction can produce trees with consistent traits, but lacks genetic variation as only one genotype is being passed down through generations.
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which of the following is not a function of the nose? a. humidifies the incoming air with mucus b. warms the incoming air with superficial capillaries c. all of the choices are functions of the nose d. cleans the incoming air with nasal hairs, cilia, and mucus
Answers
Option C - all of the choices are functions of the nose - is the correct answer.
The nose performs multiple functions to prepare the air for entry into the respiratory system. These functions include humidifying the incoming air with mucus, warming the incoming air with superficial capillaries, and cleaning the incoming air with nasal hairs, cilia, and mucus. These mechanisms work together to ensure that the air reaching the lungs is filtered, moistened, and at an optimal temperature for efficient respiratory function.
Option C states that all of the choices are functions of the nose, which is correct. The nose acts as a filtration system, capturing particles and pathogens in the mucus and trapping them in the nasal hairs and cilia. It also helps in conditioning the air by adding moisture through the production of mucus and warming it through the superficial capillaries present in the nasal tissues.
Therefore, all of the listed functions (humidifying, warming, and cleaning the incoming air) are essential roles performed by the nose to maintain the health and functionality of the respiratory system.
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What is the number and type of cells produced from meosis
Answers
four
Explanation:
meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells
Answer:
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produce 4 gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.
Explanation:
I think it will help you
3. A few years ago the population of male blue moon butterflies on the island of
Samoa declined. One hypothesis for the decline of the male butterflies is that a
parasite infected the cells of female butterflies. The parasite was passed to
offspring through the females' eggs and killed the male butterfly embryos. At
one point during the decline, nearly all the butterflies in the population were
females, but after five years the number of males in the population increased
significantly.
Blue Moon Butterfly.
Which explantion most likely accounts for the increase in the number of male butterflies in the five years after the initial parasite problem. Please anwser this
Answers
Answer:
It wont let me magnify the image srry.
Explanation:
Which is the site of anaerobic respiration in a cell.
a)chloroplast
b)cytoplasm
c)nucleus
d)vacuole
Answers
the energy used to extract kilocalories from foods and process the macronutrients is referred to as
Answers
The energy used to extract kilocalories from foods and process the macronutrients is referred to as the thermic effect of food (TEF) or diet-induced thermogenesis.
It represents the energy expenditure required for digestion, absorption, transportation, and storage of nutrients consumed through food.
When we consume food, our body needs to break down and process the macronutrients (carbohydrates, proteins, and fats) in order to obtain usable energy.
This process requires energy itself, resulting in a certain amount of calories being burned during digestion and metabolism. The TEF can vary depending on the composition of the diet, with proteins requiring more energy to be processed compared to carbohydrates and fats.
The TEF contributes to the overall energy expenditure of an individual and is a small component of the total daily energy expenditure.
However, it is a factor to consider when assessing the energy balance and metabolism of an individual, as it can affect the net energy gain or loss from food consumption.
It is important to note that the TEF alone does not significantly impact weight management or body composition.
Factors such as overall energy intake, macronutrient composition, physical activity, and individual metabolism play more significant roles in determining body weight and energy balance.
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ASAP both questions please
1. During cell division in a plant cell you would not expect to see a
A. Centriole
B. Spindle
C. Cell plate
D. Chromosome
2. A twig from a willow tree placed in a bucket of water will soon sprout roots and can be planted to produce a new tree. This is an example of
A. Asexual reproduction
B. Sexual reproduction
C. Budding
D. Binary fission
Answers
Answer:
1)centriole
2)asexual reproduction
does anyone who took science 30 through the ADLC this year know if they locked the browser for the final?? they didn’t for the midterm
Answers
Answer:
Yea they did lock
Explanation:
what is a information that is true
A opinion
B presence
C fact
Answers
Answer:
c- fact
Explanation:
Answer:
C. Fact
Explanation:
please solve
please solve a - e
The size P of a certain insect population at time t (in days) obeys the function P(t) = 500 e 0.04t (a) Determine the number of insects at t=0 days. (b) What is the growth rate of the insect populatio
Answers
Answer:
(a) When t=0, we have p(0) = 500 e^(0.04*0) = 500 e^0 = 500(1) = 500. Therefore, there are 500 insects at t=0 days.
(b) The growth rate of the insect population is given by the derivative of the function p(t): p'(t) = 500(0.04)e^(0.04t) = 20e^(0.04t). This means that the growth rate is not constant, but rather it increases as time t increases. For example, at t=1 day, the growth rate is p'(1) = 20e^(0.04*1) = 20e^0.04 ≈ 21.64. This means that the insect population is growing at a rate of approximately 21.64 insects per day at t=1 day.
What will be the effect of placing a plant cell in a hypotonic solution?
Answers
Answer:
If a plant cell is placed in a hypertonic solution, the plant cell loses water and hence turgor pressure by plasmolysis: pressure decreases to the point where the protoplasm of the cell peels away from the cell wall,
Explanation:
sorry its a lot
for a person deprived of water, the satisfaction that follows drinking a thirst-quenching beverage best illustrates
Answers
For a person deprived of water, the satisfaction that follows drinking a thirst-quenching beverage best illustrates the concept of homeostasis.
Homeostasis is the maintenance of a stable internal environment in an organism, and the desire to drink water is a response to an imbalance or disturbance in homeostasis caused by dehydration. The deprivation of water is often associated with thirst. Dehydration causes the body to crave water, and drinking a thirst-quenching beverage brings relief and satisfaction to the body. This response is due to the body's natural tendency to maintain a balance of water and electrolytes, which is essential for proper bodily functions such as regulating body temperature, blood pressure, and metabolism.
Drinking a beverage to satisfy thirst also activates the reward and pleasure centers in the brain, leading to a subjective feeling of satisfaction and relief. This response is mediated by various physiological and psychological factors, including the release of neurotransmitters and the perception of quenching one's thirst.
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Jackie and Kim are each holding one end of a rope. Jackie moves her end quickly up and down. The rope moves up and down, as shown below.
What are Jackie and Kim modeling when Jackie moves the rope up and down?
A.
a circuit
B.
a magnet
C.
a prism
D.
a wave
Reset Submit
Answers
Answer: A wave
Explanation: Waves move in that kind of up and down motion, a circuit is a straight line with energy flowing through it, a magnet is a pulling effect and a prism is a shape, not necessarily a motion.
Hope this helps ^_^
the graph shows how the rate of photosynthesis of a plant varies with light intensity. interpret the graph and justify statement.
Answers
The graph shows that the rate of photosynthesis increases with an increase in light intensity.
Photosynthesis and light intensityLooking at the graph, the rate of photosynthesis is on the y-axis while carbon dioxide concentration is on the x-axis.
At low light intensity, the rate of photosynthesis increases with an increase in the concentration of carbon dioxide.
When the light intensity was increased from low to medium, the same trend as low-intensity light was recorded. However, the rate of photosynthesis doubles.
The rate of photosynthesis also increased with high light when carbon dioxide concentration increased. The photosynthesis rate was highest under intense light.
Under the 3 light conditions, it gets to a point that the rate of photosynthesis levels off, irrespective of the increase in the concentration of carbon dioxide.
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Earth's interior is composed of different layers classified by what two things?
composition
structure
age
thickness
Answers
Question 14 (2 points) The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called natural selection. O mutation. genetic drift. migration.
Answers
The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.
Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.
Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
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which of the following statements best describes the significance of meiosis in human se*ual reproduction?
Answers
Answer:
B. Miosis causes an increase in genetic variation because of crossover
Explanation:
A ______ food chain is one that includes a primary producer at the lowest trophic level and a herbivorous primary consumer at the second trophic level. renr 205
Answers
Answer:
The grazing food chain
Explanation:
There are two kinds of food chains one starting with autotrophs, the grazing food chain, and the other starting with dead organic matter, the detrital food chain.
A Grazing food chain is one that includes a primary producer at the lowest trophic level and a herbivorous primary consumer at the second trophic level.
What is Food chain and its types?Food chain shows the relationship between individuals which form a linear chain. Energy flows from one trophic level to another in a food chain. It refers to the sequence of events in an ecosystem, where one living organism eats another organism, and that organism is subsequently eaten by another higher level organism.
There are 2 types of food chains. they are
1. Grazing Food Chain
In this, energy and nutrients move from plants to herbivores and then to carnivores or omnivores that prey on the herbivores.
2. Detrital Food Chain
In this the dead organic matter of plants and animals is broken down by decomposers like bacteria and fungi which goes to the herbivores and then to the carnivores.
Thus, a Grazing food chain is one that includes a primary producer at the lowest trophic level and a herbivorous primary consumer at the second trophic level.
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What is the major influence on the timing of puberty?
Answers
The timing of puberty is influenced by a variety of factors, including nutrition, adoption, relocation, and emotional health.
The link between the age at which puberty begins and childhood body size, especially in females, indicates that nutritional changes play a significant role in this process.
What age does puberty typically occur?Girls begin puberty on average at age 11, while boys typically do so at age 12. Yet it's quite typical for girls to start going through puberty at any time between the ages of 8 and 13 and guys between the ages of 9 and 14.Do genes affect when a person goes through puberty?Both genetic and environmental factors affect when a person enters puberty, and genetic factors are thought to account for between 50 and 75 percent of the variation.
What factors determine puberty?The process by which the body matures sexually is known as puberty. The gonadotropin-releasing hormone (GnRH)-secreting hypothalamus, a tiny region of the brain, is the cause of puberty.
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Name the four main groups of organic compounds found in living things, their composition,
their monomers, and give an example of each.
Answers
Organic and inorganic.....are the
does anyone know how to do monohybrid crosses???
Answers
Answer:
no
Explanation:
Drag each scenario to the correct location on the table.
For each scenario given, decide wether allopatric or sympatric speciation would be the likely result.
Answers
As an island splits in two and the halves drift apart, a population of local birds is divided and The construction of a road divides a rabbit population are allopatric.
Allopatric: What is it?
The term "speciation" is used to describe how new species are formed during the process of evolution.
Allopatric speciation is also known as geographic or vicariant speciation.
In a group of mice, some mice consume only fruit, while others only consume seeds, Some female African cichlids will only mate with blue-colored males,
While others will only mate with red-colored males and the sympatric. Some beetles in a community will only pair up at night,
While others will only pair up during the day are all sympatric .
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Which of the following is a character of a late industrial society based on the demographic transition theory?
High birth rate, high death rate, low population growth
High birth rate, falling death rate, high population growth
Falling birth rate, low death rate, high population growth
Falling birth rate, falling death rate, high population growth
Short Answers:
Why do some cities in the U.S. have higher population densities than others?
Answers
The correct option among the following is Falling birth rate, falling death rate, high population growth. According to the demographic transition theory, a late industrial society should have a falling birth rate, a falling death rate, and high population growth.
This theory predicts that as industrialization progresses, birth rates and death rates will both decline due to the modernization of society and advances in medical science and technology. As a result, population growth will remain high due to the increase in life expectancy.
A falling birth rate, falling death rate, and high population growth can occur simultaneously due to a number of factors. One possible explanation is that the population is aging, with a higher proportion of older people and a lower proportion of younger people. This could be due to a combination of factors, such as improvements in healthcare and longer life expectancy, as well as changes in social attitudes towards family size and age.
At the same time, a falling birth rate could be due to a variety of factors, such as decreased economic opportunities, higher costs of living, or changes in cultural values. A falling death rate could be due to improvements in healthcare and public health, such as better access to medical care, vaccines, and other preventive measures.
A combination of factors can lead to a high population growth rate, including a falling birth rate and a falling death rate. It is important to consider these factors and their implications for population growth and sustainability when making policy decisions related to population growth and resource allocation.
Therefore, the correct option is D. Falling birth rate, falling death rate, high population growth.
The availability of public transportation networks and services, as well as the high cost of living in the suburbs, are additional reasons why some cities have higher population densities than others.
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Estimate the number of cells that belong to each phase of the cell cycle. Then, explain how you made your decision and describe what occurs at each phase of mitosis.
Answers
Answer:
well, it starts from one parent cell, every complete phase makes. at least 4 and then i. think those can multiply
Explanation:
which tissue provides support as a supplementary tissue from the following
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Arenchyma
Answers
Answer:
Explanation: D. Arenchyma