which characteristic do viruses possess in common with living cells?
Answers
Viruses possess one common characteristic with living cells: they both contain genetic material.
However, the genetic material in viruses is typically in the form of RNA or DNA, while living cells contain both RNA and DNA. Additionally, viruses cannot replicate on their own and require a host cell to reproduce, whereas living cells can reproduce independently.
Viruses are also not considered living organisms because they lack many other key characteristics of life, such as metabolism, the ability to respond to stimuli, and the ability to maintain homeostasis.
Therefore, while viruses share some similarities with living cells, they are fundamentally different in their structure and behavior.
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Related Questions
Earth is in a habitable zone that allows our planet to have liquid water. What is this zone called
Answers
Which statement is best supported by the diagram?
Kinetic energy becomes potential energy between points R and S.
Maximum potential energy is at point P.
Maximum potential energy is at point R.
Potential energy becomes kinetic energy between points P and Q.
Answers
Answer:
Maximum potential energy is at point P.
An _______. _______
is an interconnected network for delivering
electricity from suppliers to customers.
Fill in blanks
Answers
Answer:
An electrical grid or power grid is an interconnected network for delivering
electricity from suppliers to customers
Which is the last structure to contact sperm before it leaves the body?
penis
sperm duct
testes
urinary bladder
Answers
Answer:
A is correct
Explanation:
Urinary bladder is the last structure to contact sperm before it leaves the body.
What are the functions of urinary bladder?The urinary bladder, or simply bladder, is a hollow organ in humans and other vertebrates that stores urine from the kidneys before disposal by urination. In humans the bladder is a distensible organ that sits on the pelvic floor.
The urine formed by the nephrons of the kidneys is transported to the urinary bladder for storage before it gets expelled through the urethra. The urinary bladder is a sac that serves as a reservoir for urine.
The urinary bladder is a temporary storage reservoir for urine. It is located in the pelvic cavity, posterior to the symphysis pubis, and below the parietal peritoneum. The size and shape of the urinary bladder varies with the amount of urine it contains and with the pressure.
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platyrrhine primates arrived mysteriously in south america about 36 million years ago select the hypithesis or hypothesees that scientists belive to be the most likely___
Answers
The rafting hypothesis is generally considered to be the most likely explanation due to the genetic and fossil evidence supporting it.
There are several hypotheses that scientists have proposed to explain the mysterious arrival of platyrrhine primates in South America about 36 million years ago. One of the most widely accepted hypotheses is the rafting hypothesis, which suggests that these primates arrived in South America by floating on rafts of vegetation across the Atlantic Ocean from Africa. Another hypothesis is the land bridge hypothesis, which suggests that these primates crossed over a land bridge that once connected Africa and South America before it was submerged by rising sea levels. However, the rafting hypothesis is generally considered to be the most likely explanation due to the genetic and fossil evidence supporting it.
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The intertidal areas of marine ecosystems and the littoral zone of a lake are both located where water meets land. Do you
think most organisms that live in the littoral zone could also live in an intertidal area? Why or why not?
Answers
Answer:
yes becuase they do have some similar characteristics
Explanation:
Forests are often preserved to protect biodiversity. This helps preserve the unique cha divided into separate sections that are spread out instead of one continuous forest. Th least likely to be affected by forest fragmentation ?
Answers
Answer: A. herbivorous birds that are able to migrate great distances.
Explanation:
Herbivorous birds that are able to travel great distances will simply fly from section to section to look for whatever food that they want.
The division of the forests is therefore irrelevant to these birds unlike other animals such as mammals which would have to travel great distances in order to get to another sector. Sectors would therefore keep such animals away from other organisms in other sectors in order to protect the uniqueness of both.
After chronic endurance training, RER during submaximal exercise indicates that the body is ...
a. depending more on carbohydrate and less on fat for fuel
b. depending more on protein and less on carbohydrate for fuel
c. depending more on fat and less on protein for fuel d. depending more on fat and less on carbohydrate for fuel
Answers
The correct answer is d. depending more on fat and less on carbohydrate for fuel.
After chronic endurance training, RER (Respiratory Exchange Ratio) during submaximal exercise indicates that the body is depending more on fat and less on carbohydrate for fuel.
RER is a measure of the ratio between the amount of carbon dioxide produced (VCO2) and the amount of oxygen consumed (VO2) during exercise. It reflects the relative contribution of different fuel sources, such as carbohydrates and fats, to meet the energy demands of the body.
During submaximal exercise, if the RER value is lower than usual, it indicates a shift towards greater utilization of fat as a fuel source. This is because fat metabolism requires more oxygen compared to carbohydrate metabolism.
When the body becomes more efficient at utilizing fat as an energy source, it can spare the limited glycogen stores (carbohydrate) for higher-intensity efforts.
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During the retreat of a glacier, pebbles and bare rock that were under the sheet are exposed to the air.
Answers
The land and rocks that the glacier had previously hidden are now exposed as the ice melts and the glacier recedes. These pebbles might be anything from small particles to massive boulders, and they may have been trapped inside the glacier or displaced by the ice as it moved.
The exposed rock and debris that the retreating glacier left behind are frequently unsorted and can create landforms like moraines, which are mounds of material that was deposited by the glacier. Because freshly exposed surfaces may experience weathering and erosion and because changes in the soil and vegetation may have an impact on plant habitats, the uncovering of previously buried rock and debris can also have substantial effects on the surrounding landscape and ecosystems.
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Extrapyramidal side effects are characterized by a triad of symptoms, including what?
Answers
Extrapyramidal side effects are characterized by a triad of symptoms, including bradykinesia, muscle rigidity and tremor.
Extrapyramidal side effects are a group of symptoms that occur in people taking antipsychotic medication extrapyramidal symptoms are also called drug-induced movement disorder. The three signs of Extrapyramidal symptoms are inability to sit still , involuntary muscle contraction, tremors, stiff muscles , and involuntary facial movements.The side effects includes involuntary or uncontrollable movement , tremors , muscle contraction.
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Can someone help me please
Answers
Answer:
2.
Explanation:
A study conducted for the Trybow chicken company in 2000 proved that chickens receiving antibiotic treatment do not harm those who eat it. The data was collected from a sample of 3 chickens and was conducted by a company that is not licensed in conducting animal testing. All of the other studies found in scientific journals prove that antibiotics used to treat chickens are harmful to human beings that eat it. Evaluate how credible this data is using 4 of the criteria presented in the chapter. Make sure to present it in a bullet point format.
Answers
Here are four criteria that can be used to evaluate the credibility of the data presented in the study conducted for the Trybow chicken company in 2000:
Sample size: The study only included 3 chickens, which is a very small sample size. A larger sample size would be needed to draw reliable conclusions about the effects of antibiotic treatment on chickens.Source of data: The data was collected by a company that is not licensed to conduct animal testing, which raises questions about the reliability and validity of the data. It is important to use data collected by trained and qualified professionals to ensure the validity and reliability of the results.Methodology: The study did not provide any information about the methodology used to collect the data or to analyze the results, which raises questions about the validity and reliability of the study. A well-designed study should include a clear methodology that is explained in detail.Conclusion: The study concluded that antibiotics used to treat chickens do not harm those who eat it, but this conclusion is contradicted by other studies that have found that antibiotics used in animal agriculture can harm human health. It is important to consider the consensus of scientific evidence when evaluating the credibility of a study.Learn more about credibility Visit : brainly.com/question/24266723
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In a scientific investigation, it is important that the number of objects or events being sampled be?
Answers
It is crucial that there be enough items or events being sampled to provide a reliable estimate for the entire population.Choice A
What is a scientific investigation?The term scientific investigation refer to deliberate search for scientific knowledge. We can search for scientific knowledge by the use of experiments. These experiments are able to establish cause and effect relationships.Scientific research is a strategy for posing issues and evaluating potential answers.In scientific study, observations are typically the first step.Observations are typically followed by questions. A hypothesis is a potential explanation for a scientific question based on current scientific understanding. Thus, in a scientific investigation, it is important that the number of objects or events being sampled be large enough to give an accurate estimate for the whole population. Option ATo learn more about scientific investigation refer
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What would happen if sex cells were diploid?
A. They would require 2 other gametes to fuse with.
B. When they fused, the resulting embryo would have double the amount of DNA it should
have.
C. When they fused, the resulting embryo would have half the amount of DNA it should
have.
D. Sex cells are diploid.
Answers
If the gametes will be diploid then on fusing the resulting embryo would have double the amount of DNA it should have. The correct option is B.
What are gametes?A gamete is an animal or plant procreative cell. Female gametes are known as ova or egg cells in animals, while male gametes are known as sperm.
Ova and sperm are haploid cells, with only one copy of each chromosome in each cell. A sperm and an ovum combine during fertilization to form a new diploid organism.
As in case of diploid gamete, the embryo will have double amount of DNA than normal and will create defect.
Thus, the correct option is B.
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Describe how Pangaea first split apart around 200 million years ago.
Answers
Answer:
Pangea was the world's supercontinent, with its splitting came preliminary continents of today.
Explanation:
The splitting occurred due to the movement of tectonic plates, where plates spread apart and moved the landmasses with it.
how to study for hosa human growth and development
Answers
There are seven techniques to research how human growth and develop. Here is an explanation of them.
1. Read the textbook: Start by reading the textbook thoroughly and taking notes on the main points. This will give you a broad overview of the material and help you identify the areas you need to focus on.
2. Research online: Use online resources to supplement your textbook. Look up articles, videos, and other resources that can help you understand the material better.
3. Make flashcards: Create flashcards with key terms and concepts. This will help you memorize the material and make it easier to review.
4. Take practice tests: Take practice tests to test your knowledge and help you identify the areas you need to work on.
5. Talk to a mentor: Find a mentor who has experience in human growth and development. Ask them questions and get advice on how to best prepare for the exam.
6. Take notes: Make sure to take notes during your study sessions. This will help you retain the material and make it easier to review.
7. Ask questions: Don't be afraid to ask questions if you don't understand something. This will help you get a better understanding of the material and prepare for the exam.
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What part of the endocrine system is most likely being affected?
Answers
Answer:
i think its
Pituitary Gland<
Explanation:
The endocrine system is the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.
define adaptation and biotic and abiotic factors
Answers
Answer:
Adaptations. Organisms have specific structures, functions, and behaviors that enable them to survive the biotic and abiotic conditions of the particular ecosystem in which they live. Organisms possess adaptations to both biotic and abiotic factors in their ecosystem that increase their chance of survival.
Explanation:
The stories seem as tall as the lake is deep. For hundreds of years, visitors to Scotland's Loch Ness have described seeing a `monster. Some believe it lurks in the depths of the loch, or lake.
But now the legend of "Nessie" may have no place left to hide. A New Zealand scientist is leading an international team to the lake next month. They will take samples of the murky waters and conduct DNA tests to determine what species live there.
University of Otago professor Neil Gemmell says he's no believer in Nessie, but he wants to take people on an adventure and communicate some science along the way. Besides, he says, his kids think it's one of the coolest things he's ever done.
One of the more far-fetched theories is that Nessie is a long-necked plesiosaur. Plesiosaurs were long-necked marine animals that lived during the time of dinosaurs. The theory is that the reptile somehow survived the period when all dinosaurs became extinct. Another theory is that the monster is actually a sturgeon or giant catfish. Many believe the sightings are hoaxes or can be explained by floating logs or strong winds. Gemmell said that when creatures move about in the water, they leave behind tiny fragments of DNA. It comes from their skin, feathers, scales, and urine.
He said his team will take 300 samples of water from different points around the lake and at different depths. They will filter the organic material and extract the DNA, he said, sequencing it by using technology originally created for the human genome project.
He said the DNA results will then be compared against a database of known species. He said they should have answers by the end of the year."I'm going into this thinking it's unlikely there is a monster, but I want to test that hypothesis," Gemmell said. "What we'll get is a really nice survey of the biodiversity of Loch Ness."
He said the real discoveries may come in determining things like the prevalence of invasive species.
"I hope he and his cohorts find something, although I think they'll be battling," Matheson said. "Still, it's a good way to get a trip to Scotland," Gemmell said that even if they don't find any monster DNA, it won't deter some Nessie believers. He said they've already been offering him theories, like how Nessie might be on vacation after swimming to the sea via hidden underwater caves. Another is that the creature might be extraterrestrial and not leave behind any DNA.
"In our lives, we want there still to be mysteries, some of which we will ultimately solve," Gemmell said. "That's part of the spirit of discovery. And sometimes, what you find may not be what you were expecting."
Who - New Zealand scientist
What - taking water samples
When - next month
Where - Scotland
Why - determined if the loch ness monster is real
How - testing DNA samples
Use 5 Ws and H to write a summary of the article above, including a main idea (first sentence) and at least 3 supporting details.
Answers
Neil Gemmell, a lecturer at the University of Otago, said he doesn't believe in Nessie, but he still desires to take tourists on an experience and interact with them.
Describe an adventure?A book detailing his numerous daring expeditions. the experience of risks the spirit of exploration. : a memorable or interesting experience. It could also be a daring, typically dangerous activity with a hazard of failure. Adventures might include physically risky activities like exploring, skydiving, mountain biking, river rafting, or engaging in extreme sports.
Describe a book?A collection of printed, blank, or written sheets bundled within a front and rear cover. a large printed or written literary work.: an address book Pages are the pieces of paper that make up a book. The pages contain
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what has happened to the rate of species exncon over the last 50 years compared to rates from the past?
Answers
The rate of species extinction over the last 50 years has significantly increased compared to rates from the past.
Over the past 50 years, the rate of species extinction has accelerated at an alarming rate compared to historical rates. Human activities, such as habitat destruction, pollution, climate change, and overexploitation, have greatly contributed to this accelerated loss of biodiversity. The impact of these activities on ecosystems and species populations has been profound, leading to a sharp increase in extinction rates.
This current period is often referred to as the "sixth mass extinction" or the "Anthropocene extinction" due to the unprecedented loss of species caused by human influence. It is estimated that the current extinction rate is tens to hundreds of times higher than the background rate observed in the fossil record.
This significant increase in species extinction poses a grave threat to global biodiversity, ecosystem stability, and the services that ecosystems provide to humanity. Efforts to conserve and protect endangered species and their habitats are crucial to mitigate this ongoing crisis.
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A widespread population of the miniature burrowing pig (Microscrofus troglodytes) is thought to actually consist of smaller local breeding units either side of an ecotone. 120 individuals were sampled across this distribution and genotyped for the AbClocus. The results were as follows: Is this population in HWE? Test using the chi-square test. Show working. If not, how does it deviate from HW expectation? What is the result? Do the data support the original hypothesis? Can you think of any other explanation? How might you test your hypotheses further?
Answers
Answer:
Explanation:
To determine whether the population is in Hardy-Weinberg equilibrium (HWE) for the Ab locus, we need to compare the observed genotype frequencies with the expected frequencies under HWE assumptions. The expected genotype frequencies under HWE can be calculated using the allele frequencies observed in the population.
Let's assume that the Ab locus has two alleles, A and B. We'll denote the allele frequencies as p and q, respectively, and the expected genotype frequencies under HWE as p^2 (AA), 2pq (AB), and q^2 (BB).
Given the genotyping data, we can analyze the observed genotype frequencies and calculate the expected frequencies. Let's say we obtained the following counts:
AA: 45 individuals
AB: 60 individuals
BB: 15 individuals
To determine the allele frequencies, we can calculate the allele counts. Let's denote the frequency of allele A as p and allele B as q.
Count(A) = 2 * AA + AB = 2 * 45 + 60 = 150
Count(B) = 2 * BB + AB = 2 * 15 + 60 = 90
Total count = Count(A) + Count(B) = 150 + 90 = 240
p = Count(A) / Total count = 150 / 240 = 0.625
q = Count(B) / Total count = 90 / 240 = 0.375
Now, we can calculate the expected genotype frequencies under HWE:
p^2 = (0.625)^2 = 0.390625
2pq = 2 * 0.625 * 0.375 = 0.46875
q^2 = (0.375)^2 = 0.140625
To determine whether the population is in HWE, we can perform a chi-square test using the observed and expected genotype frequencies.
Observed:
AA: 45 individuals
AB: 60 individuals
BB: 15 individuals
Expected (calculated above):
AA: (0.390625) * 120 = 46.875
AB: (0.46875) * 120 = 56.25
BB: (0.140625) * 120 = 16.875
To conduct the chi-square test, we compare the observed and expected frequencies for each genotype and calculate the chi-square statistic:
Chi-square = Σ [(Observed - Expected)^2 / Expected]
Calculating for each genotype:
AA: [(45 - 46.875)^2 / 46.875] = 0.07602
AB: [(60 - 56.25)^2 / 56.25] = 0.26765
BB: [(15 - 16.875)^2 / 16.875] = 0.10741
Summing the values:
Chi-square = 0.07602 + 0.26765 + 0.10741 = 0.45108
Degrees of freedom (df) = Number of genotypes - 1 = 3 - 1 = 2
To determine whether the population is in HWE, we compare the chi-square statistic with the critical value from the chi-square distribution table for the given significance level and degrees of freedom. If the calculated chi-square value exceeds the critical value, we reject the null hypothesis of HWE.
Alternatively, we can use statistical software or an online chi-square calculator to obtain the p-value associated with the calculated chi-square value. If the p-value is below the chosen significance level (e.g., 0.05), we reject the null hypothesis.
Further analysis:
If the population is not in HWE, it suggests that there are deviations from the expected genotype frequencies. The deviations could indicate factors such as non-random mating, genetic drift, selection, mutation, or migration.
To explore the deviations further and understand the factors contributing to the population's deviation from HWE, additional investigations can be conducted. These might include:
1. Investigating mating patterns: Assessing whether individuals are preferentially mating with individuals of certain genotypes or from specific breeding units.
2. Genetic drift: Analyzing the population size and potential bottlenecks or founder effects that could contribute to deviations from HWE.
3. Selection: Examining whether natural selection is acting on the Ab locus, leading to deviations from expected genotype frequencies.
4. Mutation and migration: Assessing the potential impact of new mutations or migration from other populations on the observed genotype frequencies.
By conducting these additional investigations, we can gain a better understanding of the factors influencing the population's deviation from HWE and further test the original hypothesis.
Is “does my dog like me?” Scientific or non scientific
Answers
Answer: NON SCIENTIFIC
Explanation: i got you broski
actice Session - Genes & Chro X + fw/test/practice-session/a5163?CFID=ea408cb7-1a27-4eb2-af7b-695271344247&CFTOKEN=0&crateID=a5163&packID=a610eda0&qgCount=9b1c6&qgList=b31bce9d&classid=bd9a87fe&assi 3 A gene is a segment of DNA on a chromosome. How are genes related to the proteins made by a cell? OA. The structure of the genes in a cell determines the structure of the proteins made by the cell. B. All genes in a cell have the same exact structure, so all genes code for the same exact set of proteins. OC. The structure of the genes in a cell is unrelated to the structure of the proteins made by the cell. D. All genes in a cell have the same exact structure, but each gene codes for a different set of proteins.
Answers
The correct answer is option A. which sates that the structure of the genes in a cell determines the structure of the proteins made by the cell.
Most genes include the information needed to create the important molecules known as proteins. The pathway from gene to protein is complex and closely controlled within each cell. The two main steps are transcription and translation. Combining transcription and translation results in gene expression.Transcription occurs in the cell nucleus and involves the transfer of information from a gene's DNA to a similar molecule called RNA (ribonucleic acid).The type of RNA that carries the instructions for making a protein is known as messenger RNA (mRNA) because it moves the information, or message, from the DNA outside of the nucleus and into the cytoplasm.The cytoplasm is where translation, the second step in converting a gene into a protein, takes place.Transfer of information happens from DNA to RNA to proteins. This fundamental idea is referred to as the "central dogma".Hence, the correct answer is option A.
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How much of Earth's land is currently used to grow food?
1/4
1/2
1/3
3/4
Answers
1/2
Explanation:
found an .org site that says so. tried to find a .gov but I'm lazy sorry. still, .or sites are pretty reliable.
Which would be the benefit of a transgenic crop?
1. decreased drought tolerance
2. decreased disease resistance
3. increased resistance to pests
4. increased demands for nutrients
Answers
4. increased demands for nutrients would be the benefit of a transgenic crop
What advantages can transgenesis offer?Transgenesis enables the enhancement of the amount, overall quality, and particular nutritional content of nutrients in animal products. Transgenic technologies could make it possible to increase or transmit features that are good for nutrition.
Many farmers have profited from first-generation transgenic cultivars thanks to lower production costs, increased yields, or both. They frequently have also helped the environment by using less pesticides or by making it possible to grow crops with less tillage.
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Please help and ASAP this will bring my grade down and will mark brainiest
-Do you think that GMOs used for food are positive or negative? Why?
-If the world did not use any foods that were genetically engineered, what do you think would happen to the price and availability of the foods that you eat?
-Should humans be allowed to alter the DNA of other organisms? Why or why not?
Answers
Answer:
-positive, if we never used GMO our corn would be the size of a pinky finger and non edible
-food prices will go up, because of GMO's we get more for less and if we stopped using GMO's prices would skyrocket in the food industry
-yes, if it helps us advance into science we'll need to mess with DNA
Explanation:
just trust me bro
What percent of energy is transferred between the levels indicated by the blue arrows? (3 points)
Food pyramid showing plants at the bottom level. Insects and snails are in the second ascending level. The small fish are in the third ascending level. Larger fish are in the fourth ascending level. The top level has a hawk. The blue arrows are pointing to the second and third level of the pyramid.
50 percent
90 percent
100 percent
10 percent
Answers
Answer:10%
Explanation:
I just took the test
About how much energy’s lost when an organism consumes another organism from a different trophic level?
Answers
Answer:
10 percent of energy is transferred to the next level of organisms so that would lead me to believe that 90 percent of the energy is lost.
which type of epithelium lines the stomach, intestines, gall bladder, uterus, and uterine tubes?
Answers
The type of epithelium that lines the stomach, intestines, gall bladder, uterus, and uterine tubes is simple columnar epithelium.
Simple columnar epithelium is a type of tissue that consists of a single layer of elongated cells, each with a nucleus located at the same level. It is found in various locations throughout the body, including the digestive tract, where it plays an important role in absorption and secretion. In the stomach and intestines, simple columnar epithelium helps to absorb nutrients from food and secrete digestive enzymes. In the uterus and uterine tubes, it assists with the transport of eggs and other reproductive materials. The gallbladder also has simple columnar epithelium lining its interior, where it helps to store and concentrate bile. Therefore, simple columnar epithelium is the type of epithelium that lines the stomach, intestines, gall bladder, uterus, and uterine tubes.
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Complete the following sentence.
Subjective observations include the way patients feel, their histories, information about any injuries, and whether they
have limited ____ of movement.
Answers
Answer:
Subjective observations include the way patients feel, their histories, information about any injuries, and whether they have limited range of movement.