In a DNS amplification attack, the attacker creates a series of DNS requests involving the spoofed source address for the target system.
DNS amplification is a Distributed Denial of Service (DDoS) attack through which the attacker exploits vulnerabilities in DNS or domain name system servers to turn initially small queries into much larger payloads, ultimately that brings down the victim's servers. DNS amplification attacks can be prevented by:
Limiting Recursion to Authorized Clients,Implementing Source IP Verification on a network device Disabling Recursion on Authoritative Name ServersImplementing Response Rate Limiting (RRL) setting on DNS Server"
Complete question is:
In a attack ________ the attacker creates a series of dns requests containing the spoofed source address for the target system.
"
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What type of concern is raised by embryonic stem cell research?
A.ethical
B.medical cost
C.public health
D.scientific
Does anyone know how to do this? Pls help
Punnett squares are used to get probabilities of getting the genotypes and phenotypes of the offspring of a cross. Parentals) Rr x rr. 1) 0% of the progeny is expected to be pure round. 2) 50% of the progeny is expected to be hybrid. 3) 50% of the progeny is expected to be pure wrinkled. 4) 50% of the progeny is expected to be round. 5) 50% of the progeny is expected to be wrinkled.
What is a Punnett square?The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
Now we need to cross a hybrid round plant with a pure wrinkled plant. Remember that hybrid means heterozygous.
We know that the gene that codes for this trait is a diallelic gene,
R codes for round r codes for wrinkledParentals) Rr x rr
Gametes) R r r r
Punnett square) R r
r Rr rr
r Rr rr
F1) Genotype
1/2 = 50% of the progeny is expected to be heterozygous, Rr
1/2 = 50% of the progeny is expected to be homozygous recessive, rr
Phenotype
1/2 = 50% of the progeny is expected to have round seeds
1/2 = 50% of the progeny is expected to have wrinkled seeds
1) 0% of the progeny is expected to be pure round
2) 50% of the progeny is expected to be hybrid
3) 50% of the progeny is expected to be pure wrinkled
4) 50% of the progeny is expected to be round
5) 50% of the progeny is expected to be wrinkled
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Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
Which statement correctly compares mitosis in normal tissue versus cancer
tissue.
Cells in normal tissue divide faster than cancer cells.
Cancer cells completely stop dividing compared to cells in normal tissue.
O Cancer cells divide faster than cells in normal tissue.
о
Cells in normal tissue never go through mitosis compared to cancer cells.
Answer:
Cancer cells divide faster than cells in normal tissue.
Explanation:
These are the most significant differences between cancer cells and normal cells: Cancer cells keep dividing. Cancer cells ignore the body's signals to stop dividing.
Transcribe the following sequence.
5' TCGGCGCTATACTTT 3
b. What enzyme does transcription?
Which state of matter is most likely represented in the image?
O Gas
Solid
Liquid
O Plasma
Answer:
gas
Explanation:
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
Does epinephrine trigger a direct or indirect signal transduction pathway? How do you know?
Epinephrine triggers a direct signal transduction pathway.
I know this because when epinephrine binds to it's receptor example on a muscle cell,this is known as a type of G protein -coupled receptor,signal transduction cascade is triggered and this involves the production of a second messenger molecule cyclic AMP(cAMP).
Epinephrine also know as Adrenaline or sus-phrine.
It is a vasoconstrictor,broncho dilator and a sympathetic stimulant.
It constricts the peripheral abdominal organs as well as a stimulating the heart beat thereby raising the blood pressure,it also relaxes the spasms of the bronchial muscles thereby promoting ventilation of the lungs.
In the ladder analogy of the DNA molecule, the "steps of the ladder are.....
Sugars
O Joined sugar and phosphate
O Paired nitrogen bases
In the ladder analogy of the DNA molecule, the "steps of the ladder" are paired nitrogen bases.
What are nitrogen bases?The DNA molecule is made up of two strands of nucleotides that create a double helix as they coil around one another. The sugar molecule, the phosphate group, and the nitrogenous base are the three parts that make up a nucleotide. The nitrogenous bases serve as the ladder's rungs or "steps," pairing with one another to form hydrogen bonds that hold the DNA molecule's two strands together.
The nitrogenous bases adenine (A), thymine (T), cytosine (C), and guanine (G) are the four types found in DNA (G). The genetic code of an organism is made up of base pairs, which always couple adenine with thymine and cytosine with guanine. The genetic information that is transferred from one generation to the next is determined by the arrangement of these base pairs along the DNA molecule.
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Not all plants have seeds what main advantage do seeds provide a plant
The pictures below show two types of telescopes.
Which of these statements is most likely true about the ability of the telescopes to gather radiations from distant objects in space?
A. Both the telescopes gather the same amount of radiations.
B. Neither of the telescopes gather sufficient amount of radiations.
C. The refracting telescope gathers more radiations than the reflecting telescope.
D. The reflecting telescope gathers more radiations than the refracting telescope.
The reflecting telescope gathers more radiation than the refracting telescope. Therefore, option (D) is correct.
Reflecting telescopes use mirrors to gather and focus light, allowing for larger apertures and higher light-gathering capabilities compared to refracting telescopes, which use lenses. This design difference typically gives reflecting telescopes an advantage in terms of gathering more radiation from distant objects in space.
However, without specific information about the sizes or specifications of the telescopes in the pictures, this inference is based on the general characteristics of reflecting and refracting telescopes.
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What are the 3 basic cellular structures that every cell needs? What's their individual function and why are each of the 3 basic cellular structures needed?
The three basic cellular structures that every cell needs are the cell membrane, the cytoplasm, and the genetic material. The cell membrane functions to regulate what enters and exits the cell, the cytoplasm provides a medium for cell organelles to function in, and the genetic material contains the instructions for cell function and replication.
Cell Membrane: The cell membrane is a thin, flexible barrier that encloses the cell and separates its internal environment from the external environment. It is made up of a phospholipid bilayer and is selectively permeable, meaning it regulates what substances enter and exit the cell.
Cytoplasm: The cytoplasm is a gel-like substance that fills the inside of the cell and contains various cell organelles, such as mitochondria, ribosomes, and the endoplasmic reticulum. The cytoplasm is important because it provides a medium for the organelles to function in and facilitates the movement of materials within the cell.
Genetic Material: The genetic material of the cell is the DNA that contains the instructions for cell function and replication. In prokaryotic cells, the genetic material is found in the cytoplasm, while in eukaryotic cells, it is found in the nucleus.
In summary, every cell needs a cell membrane to regulate what enters and exits the cell, cytoplasm to provide a medium for cell organelles to function in, and genetic material to contain the instructions for cell function and replication.
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2. Which of the statements below is incorrect about genes?
A. Genes are present inside a nucleus and they carry chromosomes in them
B. Each chromosome carries thousands of genes in them
C. Genes are segments of deoxyribonucleic acid or DNA
D. Genes code for specific proteins in our body
23
Put the 4 phases of mitosis in the correct order.
III
Prophase
Telophase
III
Anaphase
III
Metaphase
Answer:
beef
Explanation:
poop
Answer:
prophase, metaphase, anaphase, and telophase
Explanation:
I'm happy to help
Which term best describes the temperature and weather conditions of an organism’s environment?
Which term best describes an organism that can contain up to five levels of organization to carry out life functions?
According to the research, the correct options are Abiotic factors describe the temperature and weather conditions of an organism's environment. Multicellular describes an organism that can contain up to five levels of organization.
What are abiotic factors?They are those that arise through the chemical and physical components of the environment that intervene in the characterization of a biotope or ecosystem determined as temperature and weather.
What is Multicellular?It applies to living beings that have more than one cell in their body, which are integrated and independent to varying degrees, that is, which are differentiated to perform vital functions.
Therefore, we can conclude that according to the research, the correct options are Abiotic factors describe the temperature and weather conditions of an organism's environment. Multicellular describes an organism that can contain up to five levels of organization.
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Why will you NOT get sick from a vaccine? A. The pathogens it contains are dead or weakened. B. The antibodies you produce after getting the vaccine kill the injected pathogens. C. It does not contain any pathogens. D. It is medicine that kills pathogens, so it would kill any infection as well.
Answer:
A.
Explanation:
The vaccine is dead/weakened pathogens injected to cause antibodies. These antibodies will recognize the pathogens if they see them and fight them off.
Hope this helped! Good luck!
country x is 95% desert. the government of country x is concerned about not having enough arable land (land capable of being used to grow crops) in the country to produce the food needed to feed its population without increasing food imports. one government official proposes a project to irrigate large areas of the desert to convert these areas of desert to agricultural fields.
One potential benefit of this proposed project is that there will be organisms that are able to interact with each other much more easier with more land to live and share on with other communities.
What is a Desert?This is referred to as a dry and barren area of landscape where little precipitation occurs. This area is characterized by very few organisms due to the harsh living conditions and little resources such as water being present in the area.
In a situation whereby the one government official proposes a project to irrigate large areas of the desert to convert these areas of desert to agricultural fields there will be more food in the form of plants and water in the area which would lead to an increase in their interaction of the organisms with more land to live and share on with other communities.
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The full question is:
Country X is 95% desert. The government of Country X is concerned about not having enough arable land (land capable of being used to grow crops) in the country to produce the food needed to feed its population without increasing food imports. One government official proposes a project to irrigate large areas of the desert to convert these areas of desert to agricultural fields. Describe one potential benefit of this proposed project.
Please help meeeeeeeeee
Answer: Introducing an invasive species
Explanation: Since invasive means 'to cause harm' (and because none of the animals/plants there have probably adapted to it around the time of its introduction, it is new after all) this new species is likely to cause a decline to everything in the ecosystem its in
Explain why rainforests are important to Western medicine.
Which of the three substances has the greatest porosity?
a.
gravel
b.
sand
c.
silt
d.
all are equal
Rainforests are important to Western medicine because they are home to a vast array of plant and animal species that have been used for centuries in traditional medicine by indigenous people. Many of these species contain compounds that have been found to have therapeutic properties and have been developed into drugs and treatments for various medical conditions, including cancer, malaria, and hypertension.
B. Sand typically has the greatest porosity, meaning it has the most open spaces or pores compared to gravel and silt. This allows water and air to move more easily through the substance.
In many states, the legal limit for all bacteria present in pasteurized milk is not to exceed 20,000 CFU/mL. You have been away on vacation and left an unopened plastic jug of milk in your refrigerator. The "Sell By" date was three days ago. Instead of throwing it out, you decide to test it using your eScience Microbiology Kit. Here are your results for a "countable" plate in your serial dilutions: 186 colonies on a plate where the dilution factor was 1 x 10-4 and the volume that you plated was 1 mL. (20 points)
a. How many bacteria are present in 1 mL of this milk?
b. Is this milk safe to drink by Public Health standards?
Answer:
a. The formula for finding the number of colonies in a given volume is,
CFU/ml, here CFU is the colony forming units or the number of colonies formed in a volume plated in ml × dilution
The dilution factor given in the question is 1 × 10⁻⁴ and the number of colonies given is 186. Therefore, the number of bacteria present in the given 1 ml of the milk is,
CFU/ ml = 186 / 1 × 10⁻⁴ = 186 × 10⁴.
Hence, the concentration of bacteria in the milk is 186 × 10⁴ CFU/ml.
b) The limit of the bacterial concentration in the pasteurized milk is 20000 CFU/ml, however, it can be seen that the sample of the milk possess more concentration of bacteria than the desired value. Therefore, the milk is not safe to drink by Public Health Standards.
can someone pls answer i’ll give u brainliest or however u spell it
Answer:
its 69
ok so basically its 7878 but i love ur profile 69 picture yessir
a)This is a male since the individual is represented by a square. This person has attached earlobes since he's highlighted.
b)The person labeled B is has two copies of the recessive allele.
Whitch three processes happen as a multicellular organism grows
Answer:
cell proliferation, cell specialization and cell interaction
Explanation:
Answer: 1, Its cells get larger in size. 2, Its cells take in water and nutrients. 3, The number of cells in its body increases.
Explanation: When you grow your cells get bigger in size. They also take in more water and nutrients in order to keep growing. And would cause the cells to keep multiplying so you can keep growing.
Which trait is commonly found in both of these two groups: chondrichthyans (cartilaginous fishes) and osteichthyans (bony fishes).
Jaws are common between chondrichthyans or cartilaginous fishes and Osteichthyes .
Cartilaginous fishes have skeletons composed of cartilage while bony fish have a skeleton composed of bone. Cartilaginous fish are grouped under the class Chondrichthyes and all bony fish fall under the superclass Osteichthyes.
Chondrichthyes are jawed vertebrates they also have paired fins , scales, and chambered heart. Osteichthyes or bony fishes, which have structure primarily composed of b.one tissue and jaws are also present .
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Organisms that reproduce sexually are different from organisms that
reproduce asexually in that sexually reproducing organisms have
A. a larger number of offspring
G. offspring that are nearly identical to their parent
V. more genetic variation among their offspring
E. offspring that are perfectly adapted to their parents' habitat
Answer:
I think it's V!
Explanation:
It's because they have 2 sets of genetic variations which are delivered from the (pollen in plants and sperm in animals)-while the other one is an egg which is a gamete...
"Sexually reproducing organisms make sex cells or gametes."
Some people think that the immigrants in this photograph are serious. This is best shown in their
A. actions.
B. possessions.
C. expressions.
D.clothing.
Answer:
actions
Explanation:
Answer:
A.
Explanation:
i think the right answer is A.actions. i hope i helped!
When you heat a pot on a stove, the handle gets warm. Which type of heat transfer is responsible?
Answer:Conduction
Explanation: touching
Answer: A. Conduction
What are examples of diseases/disorders that are transmitted through mitochondrial inheritance?
Diseases/disorders that are transmitted through mitochondrial inheritance include Leigh syndrome, Pearson syndome, MELAS, etc.
What are mitochondrial inheritances?Mitochondrial inheritance refers to the transmission of genetic material exclusively from the mother's mitochondria to her offspring. Some examples of diseases or disorders that are caused by mutations in mitochondrial DNA and are therefore transmitted through maternal inheritance include:
Leber's hereditary optic neuropathy (LHON)Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS)Myoclonus epilepsy with ragged-red fibers (MERRF)Kearns-Sayre syndrome (KSS)Leigh syndromeNARP syndrome (neuropathy, ataxia, and retinitis pigmentosa)Pearson syndrome (pancytopenia and exocrine pancreatic insufficiency).Overall, mitochondrial inheritance is relatively rare and is only responsible for a small fraction of inherited genetic diseases.
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The DRIs represent a set of research-based intake recommendations for specific nutrients. These guidelines aim to help individuals maintain good health, prevent chronic disease, and avoid excesses of nutrients that may cause health problems.
Choose the correct statements about DRIs.
Select all that apply.
A. An AI may be determined if there is not enough information to establish an RDA.
B. If an individual consumes a little more than the UL for a particular nutrient during one day, toxicity symptoms will probably occur.
C. The EAR is a good goal to strive for when considering which foods to eat every day.
D. All micronutrients have an AMDR.
E. An individual’s EER takes into account height, weight, and activity level.
The correct statements about DRIs are:
An AI may be determined if there is not enough information to establish an RDA.The EAR is a good goal to strive for when considering which foods to eat every day.All micronutrients have an AMDR.Correct answer: letter A, C and D.
Statement B is not correct, as an individual would have to consume much more than the UL for a particular nutrient for toxicity symptoms to occur. Statement E is also not correct, as the EER is an estimate of an individual's energy needs and does not take into account height, weight, or activity level.
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Hi,
I don't undestand how epidemiology, through targeted studies, has made it possible to make public health choices to fight cancer. In particular why there is systematic screening for breast, prostate or colon cancer but not systematic for the pancreas, testicle, bladder, etc.
Thanks in advance !
Epidemiology is the study of patterns, causes, and effects of health and disease conditions in populations. Through targeted studies, epidemiologists have identified risk factors for various types of cancer, which has led to the development of screening programs and other public health interventions.
Breast, prostate, and colon cancer are among the most common types of cancer and have well-established screening programs in place. This is because these types of cancer have a relatively high incidence rate, and screening tests are effective in detecting early stages of the disease when treatment is most effective. In addition, there are well-established risk factors for these types of cancer, such as age, family history, and lifestyle factors like diet and physical activity.
In contrast, screening for other types of cancer, such as pancreatic, testicular, and bladder cancer, is not as systematic. This is because these types of cancer have a lower incidence rate, and screening tests are less effective in detecting early stages of the disease. For example, pancreatic cancer is often diagnosed at an advanced stage because symptoms do not appear until the disease has progressed. Testicular cancer is relatively rare, and self-examination is often effective in detecting early signs of the disease. Bladder cancer is often diagnosed after symptoms appear, but there is ongoing research into the effectiveness of screening tests for this type of cancer.
In addition to incidence rates and screening effectiveness, other factors that influence public health choices for cancer prevention and control include cost-effectiveness, access to healthcare, and potential harms associated with screening tests. For example, some types of cancer screening tests, such as mammography for breast cancer, can lead to false-positive results and unnecessary follow-up procedures, which can cause anxiety and additional costs.
In summary, epidemiology has played a crucial role in identifying risk factors for various types of cancer, which has led to the development of screening programs and other public health interventions. The choice to implement systematic screening for breast, prostate, and colon cancer is based on a combination of factors, including incidence rates, screening effectiveness, cost-effectiveness, access to healthcare, and potential harms associated with screening tests.
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3. Jane has been challenged by her teacher to create a design based on the successes of nature'sdesign. Her assignment includes all parts of the design process. Jane must explore the ecosystemsaround her to make observations, create a model, test the model, and possibly make changes tothe model as she goes throughout the process. Which scientific concept is Jane studying? A. scientific method B. biomimetics C. evolution H
Jane's exploration of the ecosystem to create a model is a scientific concept that has to do with biomimetics, option B.
What is Biomimetics?Biomimetics is a field of study that aims to imitate nature's design and use its strategies to solve human problems in various fields, such as engineering, architecture, and medicine.
It involves taking inspiration from nature and creating new technologies, processes, and products that mimic the structures, functions, and systems found in nature. The goal of biomimetics is to create sustainable, efficient, and effective solutions that are modeled after the way nature operates.
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