any 3 communicable diseases,its symptoms,prevention and source.

Answers

Answer 1

Answer:

1) Flu

2) Hantavirus

3)HIV/AIDS

hope it helps you

Explanation:


Related Questions

READ THE CHAPTERS 1, 2, 3, 4,5 FROM THE BOOK 1 JOHN IN YOUR BIBLE AND ANSWER THE FOLLOWING QUESTIONS: ¿Why did John write this epistle? (1:4, 2:1, 2:26) ¿In this epistle, what did John say that God is and begins with the letters "L" and "L"? (1: 5, 4: 8) What kind of person does Juan call a liar or one who lies? (1:10, 2: 4, 22) What did Juan say his hands had felt? (1: 1) What did John say that cleanses us from all sin? (1: 7) If a Christian sins, what should he do? (1: 9) Everything in the world, what does Juan say it is? (2:16) How did Juan call his readers? (2:12, 13) How does John define sin? (3: 4) What does John say about those who are born again? (3: 9) What Old Testament character does John use as an example of those who do not love one another? (3:12) What does Juan call the person who hates his brother? (3:15) How does John say that we should love? (3:18) Why should we not believe every spirit, but rather test the spirits if they are from God? (4: 1) Who or what is greater than the one in the world? (4: 4) What does John say about the commandments of God? (5: 4) Who are the three who bear witness on earth? (5:8) What are the two word phrases that John used at least five times in the last chapter of I John? (5: 2,15,18-20) What does John say we should guard against at the end of this epistle? (5:21)

Answers

Answer:

so1: he wrote that their joy may be complete,that they may not sin and also that they may not be deceived.

2:John says that God is light and love

3:so John calls a liar whomever says that they have not sinned or say they know Jesus but don't obey his commandments or denies that Jesus is the Christ

4:I guess is the manifestation of God's word through Jesus Christ

5: the blood of Jesus cleanses us from all sins

6:a Christian should confess their sins

7:everything of this world,lust and pride,are not of God but of this world

8:he called them little children and father's

9:he defines sin as lawlessness

10:he says that none of them commit sin but God's nature abides in the person therefore for those born of him can't commit sin

11:he used Cain who murdered his brother

12:he calls them a murderer

13:he says that we should love in deed and I'm truth

14: because of the presence of many false prophets in the world

Answer:

what he said.how did you type all of that in one sitting

what are the major groups of animals and how to they differ

Answers

There are many living things in the world. To keep them simple and easier to remember, the scientists had identify many groups of animals. The six main groups are: invertebrates, mammals, birds, amphibians, reptiles and fish.

why it is necessary to water the plant for experiment​

Answers

Answer:

To activate the process of germination.

Explanation:

So the plants can get the whole photosynthesis step because it need sunlight and water to continue to grow.

who discovered micro organisms​

Answers

Robert Hooke is the person that discovered Micro organism

Answer:

An English architect, "Robert Hooke" discovered micro organisms in 1665.

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what is the balanced equation for photosynthesis.

Answers

C6H12O6+6O2 that is the equation

through what are larger molecules are formed?​

Answers

Answer:

Through combination of each monomer using covalent bonds.

Explanation:

Most macrmolecules are made from single subunits or building blocks called monomers combine with each other using covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts.

____is associated with deamination of protein​

Answers

Answer:

Deamination is the removal of an amino group from a molecule

Deamination is associated with deamination of protein​

Answer:

in humans , deamination  takes place primarily in the liver, it can also occur in the kidney. if there's excess protein intake , deamination is used to break down proteins with amino acids for energy

What is chromosomes?Write in brief about the structure of a chromosome.must include all points with explanations

Answers

Answer:

Please find the detailed explanation below

Explanation:

A chromosome is thread-like material that carries the long strands of the genetic material (DNA), which in turn carries the gene. The chromosome is the found form of nuclear material in the nucleus.

Due to the long nature of the DNA molecule, they cannot fit into the cell. Hence, to ensure they fit, the cell wraps the DNA molecule around a set of protein called HISTONE proteins to form a NUCLEOSOME. Each nucleosome is made up of DNA coiled around a set of 8 proteins called HISTONE OCTAMER. The nucleosome structure becomes more compacted and further wound around the histone to form a CHROMATIN. This chromatin then undergoes condensation to form the visible CHROMOSOME structure.

What do nitrifying bacteria do?

Answers

Answer: Nitrifying bacteria such as Nitrosomonas play an important role in providing nitrogen to plants and limiting carbon dioxide fixation. They are found widely distributed in soil or water, where there are large amounts of ammonia, such as lakes or streams into which treated and untreated sewage is pumped.

Explanation:

Answer:

They change Nitrogen to Nitrite and ammonia. Which helps plants to use Nitrogen even though it's in another form.

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name 3 physiological processes of cell membrane?{3mks} plz help me guys

Answers

Answer:

the cell membrane is an extremely pliable structure composed primarily of back -to- back phospholipids (a "bilayer")

The image shows a food web in an Arctic ecosystem. Rising temperatures in the Arctic Ocean can lead to large die-offs of phytoplankton, which are autotrophs. What would most likely happen in an Arctic ecosystem if the phytoplankton population decreased?

Answers

Answer:

as the population of phytoplankton decreases, the amount of food for zooplancktons decreases

Atmospheric nitrogen can be fixed by nitrogen-fixing bacteria. Arrange the following forms of nitrogen from the atmospheric N stage to the final form that enters the roots. 1. Ammonia 2. Nitrogen gas 3. Ammonium ion 4. Nitrite 5. Nitrate

Answers

Answer:the answer is ammonia

Explanation:the nitrogen fixing bacteria fix the nitrogen as ammonia

Imagine an invertebrate that lives in an estuary where salinity varies cyclically with the tides. If this individual is able to adjust the salt concentration of its body fluids, its salt concentration will have:____. a. a cyclic variation depending upon when the animal drinks. b. regular variations that range from large to small. c. slight fluctuations that are kept within a narrow range. d. a cyclic variation opposite that of the surrounding water.

Answers

Answer: Option C.

slight fluctuations that are kept within a narrow range.

Explanation:

An invertebrate that lives in an estuary where salinity varies cyclically with the tides. If this individual is able to adjust the salt concentration of its body fluids, its salt concentration will have slight fluctuations that are kept within a narrow range so has to maintain homeostasis and prevent the cells of the the invertebrate from not shrinking which can be due to the salt solution (Hypertonic).

Estuary is an area of water or shorelines where river meet the ocean. It normal do have concentration of salts. Organisms that live in estuaries must be able to adapt to their dynamic environments, wich is due to variations in water chemistry includes salinity, as well as physical changes like the rise and fall of tides.

What is each half of a chromosome called?
O A. Demisome
OB. Spindle Fiber
C. Chromatid
D. Centromere

Answers

Answer:

cromatidaida

Explanation:

Answer:

the answer is C

''chromatid''

Explanation:

hope this helps :)

Arrange the sentences in order to describe how oxygen from air is transported to the cells in the kidneys.

Answers

Answer:

The pulmonary veins carry oxygenated blood to the heart. Air enters the bronchioles in the lungs and reaches the alveoli. The capillaries join together to reach the arteries, transferring the oxygen. The oxygen-rich blood moves from the aorta and reaches the kidneys through a series of blood vessels.

The data collected from an experiment shows that as the temperature outside goes up, the number of swimmers at the local pool
goes up. This data shows a/an
Select one:
O a direct relationship
b. indirect relationship
c. inverse relationship
O d. no relationship​

Answers

Answer:

The goal of disinfection of public water supplies is the elimination of the pathogens that are responsible for waterborne diseases. The transmission of diseases such as typhoid and paratyphoid fevers, cholera, salmonellosis, and shigellosis can be controlled with treatments that substantially reduce the total number of viable microorganisms in the water.

While the concentration of organisms in drinking water after effective disinfection may be exceedingly small, sterilization (i.e., killing all the microbes present) is not attempted. Sterilization is not only impractical, it cannot be maintained in the distribution system. Assessment of the reduction in microbes that is sufficient to protect against the transmission of pathogens in water is discussed below.

Chlorination is the most widely used method for disinfecting water supplies in the United States. The near universal adoption of this method can be attributed to its convenience and to its highly satisfactory performance as a disinfectant, which has been established by decades of use. It has been so successful that freedom from epidemics of waterborne diseases is now virtually taken for granted. As stated in Drinking Water and Health (National Academy of Sciences, 1977), "chlorination is the standard of disinfection against which others are compared."

However, the discovery that chlorination can result in the formation of trihalomethanes (THM's) and other halogenated hydrocarbons has prompted the reexamination of available disinfection methodology to determine alternative agents or procedures (Morris, 1975).

The method of choice for disinfecting water for human consumption depends on a variety of factors (Symons et al., 1977). These include:

its efficacy against waterborne pathogens (bacteria, viruses, protozoa, and helminths);

the accuracy with which the process can be monitored and controlled;

its ability to produce a residual that provides an added measure of protection against possible posttreatment contamination resulting from faults in the distribution system;

the aesthetic quality of the treated water; and

the availability of the technology for the adoption of the method on the scale that is required for public water supplies.

Economic factors will also play a part in the final decision; however, this study is confined to a discussion of the five factors listed above as they apply to various disinfectants.

The propensity of various disinfection methods to produce by-products having effects on health (other than those relating to the control of infectious diseases) and the possibility of eliminating or avoiding these undesirable by-products are also important factors to be weighed when making the final decisions about overall suitability of methods to disinfect drinking water. The subcommittee has not attempted to deal with these problems since the chemistry of disinfectants in water and the toxicology of expected by-products have been studied by other subcommittees of the Safe Drinking Water Committee, whose reports appear in Chapter III of this volume (Chemistry) and Chapter IV (Toxicity) of Drinking Water and Health, Vol. 3.

Organization of the Study

The general considerations noted in the immediately following material should be borne in mind when considering each method of disinfection. Available information on the obvious major candidates for drinking water disinfection—chlorine, ozone, chlorine dioxide, iodine, and bromine—is then evaluated for each method individually in the following sections. Other less obvious possibilities are also examined to see if they have been overlooked unjustly in previous studies or if it might be profitable to conduct further experimentation on them. Disinfection by chloramines is dealt with in parallel with that effected by chlorine because of the close relationship the former has to chlorine disinfection under conditions that might normally be encountered in drinking water treatment.

When you centrifuge the DNA isolated from the bacteria, the DNA separates into two classes. One class of labeled DNA includes very large molecules (thousands or even millions of nucleotides long), and the other includes short stretches of DNA (several hundred to a few thousand nucleotides in length). Which two classes of DNA do these different samples represent

Answers

Answer:

Leading strand and Okazaki fragments

Explanation:

The two classes of DNA that the different samples represent include the leading strand and the Okazaki fragments.

The large molecules DNA with thousands/millions of nucleotides constitutes the leading strand of the DNA while the short stretches of DNA with just a few thousand nucleotides in light constitute the Okazaki fragments.

This is because, during replication, the leading strands of DNAs are usually synthesized in a continuous manner and end up forming a long, continuous daughter strand while the lagging strands are usually synthesized in short, discontinuous fragments known as the Okazaki fragments.

The continuous/discontinuous replication of the leading/lagging strands of the DNA is due to the characteristics of the enzyme responsible for adding bases to the growing daughter strands. The DNA polymerase enzyme can only add nucleotides in the 5' to ' direction.

The removal of waste products from the body is called

Answers

Answer:

It is called EXCRETION.

Explanation:

This is a process by which metabolic waste is removed from a living organism.

The excretory organs removes these waste.

Accumulation of these in the body is very harmful to our system.

Hope all these helps.

How does the body prevent the loss of sugar in urine?

Answers

Answer:

Drinking enough water prevents dehydration and also helps the kidneys remove extra sugar from the body in the urine. Those looking to reduce blood sugar levels should reach for water and avoid all sugary drinks, such as fruit juice or soda, which may raise blood sugar levels instead.

Explanation:

Scientists want to track the wind speeds and precipitation for a hurricane that will affect the entire East Coast of the United States. Which weather equipment would be best to measure the impact of the storm for this entire region? A. an anemometer B. a rain gauge C. Doppler Radar D. global positioning system (GPS)

Answers

Answer:

A anemometer an instrument for measuring the speed of the wind, or of any current of gas.

GPS is to see where you on on the earth so this is a no.

rain gauge only shows the amount of rain  so this is a no

Doppler radar determine's the location and velocity of a storm, clouds, precipitation. So therefore, this is your answer.

Explanation:

Which of the following is not a function of the cell membrane? A. Keeping all the parts of a cell inside B. Helping a cell to alter its shape C. Allow prokaryotes to use cell division D. A place for cellular reactions to take place

Answers

Answer:

D. A place for cellular reactions to take place

Explanation:

the cell membrane perfomes divers functions ranging from the  Keeping of all the parts of a cell inside, helping cell to alter its shape, allowing prokaryotes to use cell division. Most of the cell reactions happens in the Mitochondrion, not the CELL MEMBRANE

A place for cellular reactions to take place is not true about cell membrane .

What are the function of cell membrane ?

Cell membrane forms barrier keeping the constituents of the cell in and unwanted substances out and to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.

What is cell membrane?

The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment.

Hence, D is correct option

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brain is considered as the centre of all senses, why ?

Answers

Answer:

The answer is

Explanation:

Human brain is considered as the centre of all senses as it can control what we can do. Without our brains, we can't walk, hold things or even move a pencil. A brain has different parts which perform different functions in the body. Brain is considered to be the centre of all senses because of these following reasons.

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The human mind is the command center for the human anxious device. It receives signals from the body's sensory organs and outputs records to the muscle tissues.

wherein are senses located in the brain?

Parietal lobe

It figures out the messages you get hold of from the 5 senses of sight, touch, odor, hearing, and taste. This part of the mind tells you what's a part of the frame and what is a part of the outside international.

Why is your mind vital?

The brain is arguably the most important organ in the human frame. It controls and coordinates moves and reactions, allows us to suppose and feel, and allows us to have reminiscences and feelings—all the matters that make us human.

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A gamete is best described as what?
A. The protective outer layer of an egg cell.
B. An enzyme in a sperm used to digest the egg cell's membrane.
C. A haploid cell produced for reproduction.
D. A diploid cell produced for reproduction.

Answers

Answer:

C. A haploid cell produced for reproduction.

Explanation:

The term "gamete" refers to reproductive cells such as sperm and ova. Sperm and ova are both haploid cells that unite to form diploid cells.

Which ecosystem service would suffer from the opening of a mineral mine along a small mountain range?

A. Cultural
B. Provisioning
C. Regulating
D. Supporting

Answers

Answer:

D. Supporting

Explanation:

Ecosystem services include provisioning, regulating, culture and supporting services.

Opening of a mineral mine along a small mountain range will affect the supporting services of ecosystem because supporting services deals with soil formation, provision of habitat and nutrition cycle.

Opening of mineral mine will destroy the tosoil, landscape, forests and wildlife of mountain area which affect the supporting services such as habitat and soil formation.

Hence, the correct answer is "D. supporting".

an example of biogeochemical cycle would be the A. carbon cycle B. fire cycle C. trophic cycle

Answers

Answer:

Carbon Cycle

Explanation:

Which of these best matches an object in the solar system with its characteristic? (3 points)
O comet - orbits a planet
O meteor - a streak of light
O asteroid - has a tail
O planet - orbits the moon​

Answers

Answer:

Meteor → a streak of light

Explanation:

Got it right on the test

A meteor is a streak of light.

What is a solar system?

The sun and the group of celestial bodies that are bound by gravitational force form a solar system. It was formed about 4.6 billion years ago.

What is a comet?

A comet is a relic covered with dust, rock, and ice. It was formed during the solar system's formation. They have a diameter ranging from a few miles to tens of miles.

What is an asteroid?

They are either metallic or rocky bodies and do not have atmospheres. Asteroids come in a variety of sizes and forms.

What is a planet?

Planets are massive astronomical bodies that are neither stars nor remains of stars. They have an orbit and there are 8 planets in our solar system.

What is a meteor?

A meteor appears as a bright streak of light in the sky. It is a space rock that enters the earth's atmosphere. It is often known as a shooting star or falling star.

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why aphids are mostly found in the daytime ?​

Answers

Answer:

When daytime high temperatures are between 90 degrees Fahrenheit

What results if a broken chromosomal fragment becomes reattached as an extra segment to a sister or non-sister chromatid? A Duplication B Inversion C Polyploidy D Nondisjunction

Answers

Answer:

The correct answer is option A "Duplication".

Explanation:

Chromosomal duplication is defined as a type of rearrangement of genetic material at which extra copies of a DNA fragment are created. In this case if a broken chromosomal fragment becomes reattached, this fragment will represent an extra copy, and therefore the resultant genetic material is considered a chromosomal duplication.

Common symptoms of iron-deficiency anemia include muscle weakness, shortness of breath, and lightheartedness. Why does iron deficiency cause these symptoms?

Answers

Answer:lack of blood flow and blood concentration

Explanation:

which type of cell(s) contain ribosomes?

Answers

Answer:

Ribosomes are found in prokaryotic and eukaryotic cells; in mitochondria, chloroplasts and bacteria. Those found in prokaryotes are generally smaller than those in eukaryotes. Ribosomes in mitochondria and chloroplasts are similar in size to those in bacteria. hope this is good enough to help you

Explanation:

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Use a linear equation model to estimate the cost of a pound of the mixed-nut blend in 2007. Read the following speech excerpt and then select the correct answer to the question below: President George W. Bushs speech to the troops on the USS Abraham Lincoln Our mission continues. Al-Qaida is wounded, not destroyed. The scattered cells of the terrorist network still operate in many nations, and we know from daily intelligence that they continue to plot against free people. The proliferation of deadly weapons remains a serious danger. The enemies of freedom are not idle, and neither are we. Our government has taken unprecedented measures to defend the homeland and we will continue to hunt down the enemy before he can strike. The war on terror is not over, yet it is not endless. We do not know the day of final victory, but we have seen the turning of the tide. No act of the terrorists will change our purpose, or weaken our resolve, or alter their fate. Their cause is lost. 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