Large-scale treatment (chemoprophylaxis)
Lymphatic filariasis can be eliminated by interrupting the spread of infection with chemoprophylactic treatments. The chemoprophylaxis strategy recommended by the WHO to eliminate lymphatic filariasis consists of the massive administration of drugs, which entails offering an annual dose of drugs to the entire population at risk. The drugs used have a limited effect on adult parasites, but effectively reduce the density of microfilariae in the blood and prevent the spread of parasites to mosquitoes.
The recommended mass drug administration regimen depends on the coendemicity of lymphatic filariasis with other filariases. WHO recommends the following mass drug administration guidelines:
400 mg of albendazole twice a year in areas where loiasis is co-endemic. 200 µg / kg of ivermectin plus 400 mg of albendazole in countries with onchocerciasis. 6 mg / kg of diethylcarbamazine citrate plus 400 mg of albendazole in countries without onchocerciasis
Rapid erosion in the desert is caused by:
hot temperatures
humid weather
loose soil
dense vegetation
Answer:
losse soil
Explanation:
I am homeschooled and this is the answer for my school
As a result of your Zombie Apocalypse, the grass at a local park will no longer be mowed. What type of succession is this (primary or secondary)? Describe the stages of succession that will occur in the next 100 years.
What type of succession is this depicting?
Secondary succession is the kind of succession that might develop in a neighborhood park after the Zombie Apocalypse if the grass wasn't cut anymore and pioneer species would first colonize the bare soil.
Thus, pioneer species like weeds and grasses would colonize the bare soil and disturbed regions in the initial stage of secondary succession. These species can swiftly adapt to a new habitat since they are frequently resilient and rapidly developing.
In secondary succession, the pioneer species are the early settlers multiply and spread, the soil conditions become more stable and draw in additional species like shrubs and tiny trees. These animals are modifying the environment in a way that makes it possible for bigger and more diversified populations of creatures to live in more complicated settings.
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Functions of blood from kidneys
Kidneys have other functions besides the elimination of wastes from the blood.
They are in charge of producing three different hormones that are released into the bloodstream. These are: Erythropoietin, which is involved in the generation of new red blood cells; Renin, which is involved in the regulation of blood pressure; Calcitriol, which regulates calcium uptake.
Which characteristics of life does an automobile possess?
Answer:
The single characteristic of life that an automobile might have is METABOLISM, in that it can take in and use energy (gasoline or diesel) while producing waste exhaust and water). It cannot do this on its own, and it has no other characteristics of life.
Explanation:
The characteristics of life that an automobile possess is metabolism.
The only trait of life that an automobile might possess is metabolism, which enables it to consume and utilise energy (such as gasoline or diesel) while exhaling waste products like exhaust and water. It lacks any other aspects of life and is unable to accomplish this on its own. A car isn't a living thing.
Chemical processes take place inside of cells, tissues, organs, and living things to carry out a variety of tasks that maintain the organism's life. These processes digest ingested food, deliver nutrients to cells, eliminate waste, change energy, and produce new molecules. These procedures work together to promote growth, system repair, and excretion. In plants, photosynthesis is a metabolic process. The sum of an organism's chemical processes is known as its metabolism.
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how many teeth in an adult human
Answer:
32 teeth
Explanation:
8 incisors
4 canines, also called cuspids
8 premolars, also called bicuspids
12 molars, including 4 wisdom teeth.
What are the advantages and disadvantages of the serial dilution-agar plate procedure?
Answer:
Advantages
- Serial dilution is used in microbiology to estimate the concentration or number of cells/organisms in a sample to obtain an incubated plate with an easily countable number of colonies.
- In biochemistry, serial dilution is used to obtain the desired concentration of reagents and chemicals from a higher concentration.
- In pharmaceutical laboratories, serial dilution is performed to receive the necessary concentration of chemicals and compounds as this method is more effective than individual dilutions.
- In homeopathy, homeopathic dilutions are used where a substance is diluted in distilled water or alcohol. It is believed than dilution increases the potency of the diluted substance by activating its vital energy.
Disadvantages
- An error might occur during the propagation of the sample, and the transfer inaccuracies lead to less accurate and less precise transfer. This results in the highest dilution to have the most inaccuracies and the least accuracy.
- Because serial dilution is performed in a stepwise manner, it requires a more extended period of time which limits the efficiency of the method.
- Serial dilution only allows the reduction of bacteria/cells but not the separation of bacteria/cells like in other techniques like flow cytometry.
- This technique also requires highly trained microbiologists and experts in aseptic techniques.
How do nitrates end up in plants? Will give brainliest!
Answer:
Ammonia is converted to nitrates by nitrifying bacteria in the soil. Plants absorb nitrates from the soil and use these to build up proteins. ... This ammonia is converted to nitrates by nitrifying bacteria. In some conditions denitrifying bacteria in the soil break down nitrates and return nitrogen back to the air.
happy to help
Explanation:
Answer:
Ammonium ions are absorbed by the plant via ammonia transporters. Nitrate is taken up by several nitrate transporters that use a proton gradient to power the transport. Nitrogen is transported from the root to the shoot via the xylem in the form of nitrate, dissolved ammonia and amino acids.
The inheritance pattern of a recessive maternal effect gene in Drosophila. In maternal effect, the offspring’s phenotype is under the control of nuclear gene products present in the mother's egg. In this example, the presence of the a + allele in the mother is required for proper wing development in the offspring. In the pedigree, individuals who are wingless are indicated by a shaded symbol. The phenotypes and genotypes are only provided for the first generation (individuals 1 and 2).What are all the possible genotypes for individual 1's mother?
1. mom-a/a dad-a+/a
2. offspring: a+/a or a/a
1. a +/a +
2. a +/a
3. a/a
Answer:
m,m
Explanation:
Compare the growth of normal cells with and without growth factors.
Answer:
In contrast to normal cells, cancer cells don't stop growing and dividing, this uncontrolled cell growth results in the formation of a tumor. Cancer cells have more genetic changes compared to normal cells, however not all changes cause cancer, they may be a result of it (:
Explanation:
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Which of these is an example of elemental carbon?
A.
Diamond
B.
Methane
C.
Proteins
The example of elemental carbon is diamond and it is pure form of carbon. Thus, option A is correct.
What is elemental carbon?Elemental carbon is pure form of carbon and it does not contain other elements and present in natural form. Due to this reason it is known as elemental.
In elemental form pure atoms are not attached to any other atom. Example is diamond which is allotrope of carbon in which there is only carbon atom attached to each other.
Methane and proteins are compounds consist of a combination of carbon and other elements and they are not come in category of elemental carbon.
Therefore,the example of elemental carbon is diamond and it is pure form of carbon. Thus, option A is correct.
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Analyze the diagram below. What process is shown?
A. Facilitated diffusion
B. Osmosis
C. Active transport
D. Endocytosis
The transport that is involved in the transportation of molecules through the transport channels called as carrier proteins or transport channels.
What is the diffusion ?
Diffusion is the movement of particles from higher concentration to the lower concentration.
“Active Transport is as process that involves movement of molecules from an area of lower concentration to an area of higher concentration against a concentration gradient or an obstacle with the help of external energy.”
1. Antiport Pumps.
2. Symport Pumps.
3. Endocytosis.
4. Exocytosis
These are the channels that are involved in the process of the active transport. Energy driven process is the process where the proteins are transported into the channels via the transporters. The transporters are the kind of the molecules that transport the molecules through the channels.
Active transport is the process that involves the use of ATP for the transport and the molecules are transported via the expenditure of energy through the ATP usage.
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A scientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. What population is most likely to be a control group for the investigation?
Amount of food
Number of bird feeders
Invasive bird populations
Local backyard birdfeeders without food
The native bird population will probably serve as the study's control group.
What does the term "native birds" mean?
Native bird refers to any individual of a species of the Aves class that is native to Antarctica or visits periodically as a result of natural migrations, as defined in this part's subpart D.
What does a bird represent spiritually?
In countless cultures around the world, birds have represented luck, health, wealth, fertility, love, truthfulness, and a variety of other things.
Are birds significant to native cultures?
Indigenous cultures value their connections to familiar birds. It demonstrates our ties to the earth. The "inheritance" is this extensive cultural knowledge.
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how might difference in enzyme concentration affect rate of photosynthesis and respiration
Price of photosynthesis will increase as the quantity of collisions between enzymes and substrate will increase. this is the top-quality temperature. The enzymes begin to denature, so the fee of photosynthesis decreases.
Increase in enzyme attention will growth the charge of photosynthetic and respiratory reactions, furnished that there are substrates available to bind to. once all substrate is bound by enzymes, the reactions, the response will no longer increase, since there may be not anything for extra enzymes to bind to.
Enzymes are proteins that catalyze, or affect the fee, of chemical reactions without themselves being altered inside the process. precise enzymes catalyze every mobile reaction. the main position of enzymes at some point of the respiratory reaction is to help in transferring electrons from one molecule to some other.
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and
wans
Using the 10% rule when
studying trophic pyramids, if
the primary consumers obtain
100 Joules of energy from the
autotrophs, how much energy
is then passed on to the
carnivores?
A. 100 Joules
B. 0.1 Joules
C. 10 Joule
Using the 10% rule when studying trophic pyramids, if the primary consumers obtain 100 Joules of energy from the autotrophs Carnivores receive an energy transfer of 10 Joules.
Trophic level is referred to as the level of an ecosystem as well as a nutritive chain or food chain.
What does the trophic level 10% rule mean?
The trophic level 10% rule states that only 10% of the energy in an ecosystem will be transferred from one trophic level to the next.
Based on their eating habits, a chain of organisms is separated into various tiers. The producers, or green plants, make up the first and lowest stratum, the primary consumers or the herbivores make the 2nd trophic level and the carnivores or secondary consumers make up the 3rd trophic level and within these energy is transferred.
In this question, the herbivores obtain 100J of energy from autotrophs now according to 10% law only 10% of this energy will be transferred to carnivores thus,
10 = \(x\)/100 ×100
\(x\)= 10J
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The type of membrane protein that gives cells specific identity are called:
Markers
Channels
Receptors
Pumps
Aquaporins
Answer:
Membrane markers allow cells to recognize one another, which is vital for cellular signaling processes that influence tissue and organ formation during early development. This marking function also plays a later role in the “self”-versus-“non-self” distinction of the immune response.
Explanation:
Glucagon is a hormone that is released when the level of glucose in the blood is low. Glucagon uses a G protein signaling pathway to promote glycogenolysis.
a. True
b. False
Answer:
True.
Explanation:
It is true because glucagon is a peptide hormone that is secreted by the pancreas alpha cells.
This hormone is normally secreted when the blood glucose is low and this hormone make the liver to convert the glycogen that has been stored into Glu ise which is then released into the blood stream. It's play a vital role in regulating the blood glucose and it uses G protein signaling pathway to promote glycogenolysis and glycogenolysis is the process why glycogen is breakdown to glucose.
Is Natural law theory is inconsistent with a theory of human rights. True / False
Answer:
i think that it's false.
Explanation:
Natural law is a theory in ethics and philosophy that says that human beings possess intrinsic values that govern our reasoning and behaviour. Natural law maintains that these rules of right and wrong are inherent in people and are not created by society or court judges.
The Interests Theory Approach. Advocates of the interests theory approach argue that the principal function of human rights is to protect and promote certain essential human interests. Securing human beings' essential interests is the principal ground upon which human rights may be morally justified.
In cattle, the allele for white coat color (W) and the allele for red coat color (R)
are codominant. A heterozygote has the roan coat color. Two cows with the
following genotypes are crossed.
RWX RR
What is the expected phenotypic ratio of the offspring?
A. 3 red: 0 roan : 1 white
OB. 2 red: 2 roan: 0 white
OC. 0 red: 2 roan : 2 white
OD. 1 red: 2 roan : 1 white
The Punnett square will be:
R R
R RR RR
W RW RW
So, The expected phenotypic ratio of the offspring A) 3 red: 0 roan : 1 white.
What is the expected phenotypic ratio?The initial cow has a genetic makeup of RW, while the succeeding cow possesses an genetic makeup of RR. By employing a Punnett square, we can anticipate the probable genotypes and phenotypes that can manifest from the crossbreeding of these two cows.
The roan coat color is expressed in the heterozygote due to the codominance of the R and W alleles in terms of phenotype. As a result, every progeny will exhibit a coat color that is a mixture of red and white.
The anticipated physical trait distribution among the descendants is predicted to be 4 roan : 0 red : 0 white.
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Three circuit diagrams are shown. Which statement about the circuit
diagrams is accurate?
Circuit A Circuit B Circuit C
A. Circuits A, B, and C are all series circuits.
OB. Circuits A and C are series circuits, and circuit B is a parallel
circuit.
C. Circuits A and B are series circuits, and circuit C is a parallel
circuit.
OD. Circuit A is a series circuit, and circuits B and C are parallel
circuits.
From the diagram, circuit a and b are series circuit while c is parallel. Option C
What is a parallel and series circuit?
The components in a parallel circuit are linked together so that the electric current can go along several different routes. The power source is directly connected to each component, forming parallel branches. While the current in a parallel circuit can vary, the voltage between each component is constant.
The components of a series circuit are connected one after the other to create a single path for the passage of electricity. While the voltage across each component can change, the current flowing through each component is constant.
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tion 5 of 50
An investigation is an example of
An investigation is an example of research.
What is research?Research is the process of gathering and analyzing information in order to answer a question or solve a problem. Investigations are a type of research that is typically conducted to gather evidence about a crime or other incident. Investigators may gather evidence through interviews, document reviews, and physical examinations. They may also use scientific techniques, such as DNA testing or fingerprint analysis.
The goal of an investigation is to gather enough evidence to determine what happened and who is responsible. This information can then be used to bring charges against the perpetrator or to take other necessary steps.
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Breeders can use a Punnett square to predict the outcome of a genetic cross. If the genotype of both parents was Aa, what would be expected of the genotypes among their possible offspring?
Answer:
AA, Aa, Aa, and aa
Explanation:
If you do the punnet square to solve this, you will see these results!
Answer:B on edge 2020
Explanation:half would have the genotype Aa
Why can grasses not survive on the island yet?
Please help this is due today and I got stuck
Based on the bands of the gel electrophoresis;
Suspect C can be excused because he has only 4 out of 6 matches to sample B.Suspect D can be excused because he has only 4 out of 6 matches to sample B.Suspect E should be included because he has only 5 out of 6 matches to sample B.Suspect F should be included because he has only 5 out of 6 matches to sample B.What is gel electrophoresis?Gel electrophoresis is a molecular biology technique used to separate macromolecules such as DNA, RNA, and proteins.
Based on their size and charge, DNA fragments (or other macromolecules, such as RNA and proteins) are separated using the gel electrophoresis process.
In a technique, when a sample has similar bads to a control, the sample is usually identified as similar to the control.
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Which of the following technologies would likely involve a bioengineer to design and build?
O tablet computer
O surgical robot
o automobile engine
Answer:
surgical robot
Explanation:
Why Mollusca lost segmentation?
Base your answers to questions 1 and 2 on the diagram below, which represente a metabolic process and on your knowlege of biology. the letter x in the process represents
x
□+□+□+□-> starch
1. an antibody
2. a receptor
3. a hormone
4 a enzyme
(1) An antibody is a representation of one of the following metabolic processes.
What is the metabolic process?Metabolism is the collective name for the set of chemical reactions that sustain life in organisms.
Converting the energy in meals into energy that may be used to power cellular processes is one of metabolism's three main tasks.
Metabolic reactions occur in particular regions of the cell.
The cytoplasm is also the site of glycolysis, fatty acid synthesis, and glycogen synthesis in addition to several stages of amino acid breakdown.
Different metabolic pathways have specific locations within the mitochondria.
Chemical reactions within the cell transform food into energy.
Our bodies need this energy in order to move, think, and develop.
Specific proteins in the body control the chemical reactions involved in metabolism.
Therefore, (1) an antibody is a representation of one of the following metabolic processes.
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Which muscle is highlighted below?
O A. Latissimus dorsi
• B. Rectus abdominus
O C. Biceps brachii
O
D. Obliques
SUBMIT
The muscle is highlighted below is Obliques.
What is an oblique muscle?The oblique muscles are those located on the sides of the abdomen. They are divided into: external oblique muscle, internal oblique muscle and transverse muscle. The external muscle is the largest and most superficial of the three. It lies under the skin of the thoracic and abdominal regions.
Its direct action is flexion, lateral bending and contralateral trunk rotation. The internal oblique muscle is located deep to the external oblique and originates from the inguinal ligament, iliac crest, and thoracolumbar fascia.
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What effect will a virus in the lytic cycle have on an organism?
A. It will have no effect for weeks.
B. It will destroy cells in the organism.
C. It will spread bacteria in the respiratory system.
D. It will cause genetic mutations in sex cells.
A student conducted an investigation to test different designs of flood control barriers. The student hypothesized that an I-wall style
flood control barrier will last longer than a compacted-soill flood control barrier. The student found that I-wall flood control barriers
broke when an average of 8 liters of water had been added to the river side of the container, and the compacted-soil flood control
barriers broke after an average of 15 liters of water had been added. Based on the data, the evaluation of the student's hypothesis is
The student's hypothesis is incorrect; compacted-soil flood control barriers lasted longer than I-wall barriers in the investigation.
Based on the data collected in the student's investigation, the evaluation of the hypothesis shows it to be incorrect.
The student initially hypothesized that I-wall style flood control barriers would last longer than compacted-soil barriers.
However, the results showed that I-wall barriers broke after an average of 8 liters of water were added, while compacted-soil barriers withstood an average of 15 liters.
This indicates that compacted-soil flood control barriers are more effective in lasting longer under the tested conditions compared to I-wall style barriers.
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Compare the population growth rate in industrially developed countries to that in developing countries
Answer:
The worlds developing regions will see 1.2 billion people added, a 20.7% increase; while the population of developed countries will increase a mere 3.3% adding 41 million to the current 1.3 billion people. ... There is a difference of more than ten years between the median age in developing and developed regions.
The population growth rate in industrially developed countries is much lower than that in developing countries.
The population growth rate is the number of births per 1,000 people in a population in a year. The population growth rate in industrially developed countries is typically around 1%, while the population growth rate in developing countries is typically around 2%.
There are several reasons why the population growth rate is lower in industrially developed countries. First, people in industrially developed countries tend to have fewer children. This is due to a number of factors, including the availability of birth control, the increasing participation of women in the workforce, and the rising cost of raising children.
Second, people in industrially developed countries tend to live longer. This is due to advances in medicine and healthcare. As a result, the number of people in the population who are of childbearing age is lower in industrially developed countries than in developing countries.
The lower population growth rate in industrially developed countries has a number of implications. First, it means that the population in these countries is aging. This is because the number of people who are of working age is shrinking, while the number of people who are retired is growing.
Second, the lower population growth rate means that there is less pressure on resources such as land, water, and food. This can help to reduce poverty and improve the standard of living in these countries.
However, the lower population growth rate also means that there is a smaller pool of workers to support the economy. This can lead to labor shortages and economic problems.
Overall, the lower population growth rate in industrially developed countries has both positive and negative implications. It is important to carefully consider these implications when making policy decisions.
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