Q1. Some diseases are communicable.
(a)
What does communicable disease mean?
Tick one box.
A disease that can be spread from one
person to another.
Beton 9
A disease that cannot be treated with
antibiotics.
Ago
A disease that is not spread from animals
to humans.
A disease that is passed on through genes.

According to the World Health Organization, an estimated 1.5 million people die from diarrhea each year worldwide. Diarrhea is a leading cause of death in children under the age of 5, accounting for 8% of all global deaths in that age group.

Poor sanitation, insufficient water supply, and lack of access to better sanitation and hygiene services are the root causes of the majority of these instances.

The most important risk factors for diarrheal infections, which are spread by tainted food and water, include poor sanitation and hygiene procedures as well as a lack of safe drinking water.

Young children in poorer nations experience high incidence of diarrhoea due to poor nutrition and limited access to healthcare services.

Moreover, poor food safety measures, improper sanitation, lack of access to clean water, and poor hygiene standards are the main causes of foodborne infections, which raise the risk of diarrhoea.

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Answer:

The right answer is the sensory neuron.

Explanation:

The sensory neuron, or sensory neuron, is a neuron located in a sensory ganglion that plays a role in the perception of a stimulus. Sensory neurons are often referred to as "afferent fibers". For example, a sensory neuron can be used for the perception of heat, or contact with an object.

Answer:

D-Glucose

Explanation:

The trait not shared by birds and placental mammals is the amniotic egg. Birds are a type of animal that belongs to the Aves class and has feathers, wings, and a beak.

Birds are bipedal, which means they walk on two legs. Their forelimbs have evolved into wings, which they use to fly. The class Mammalia contains placental mammals, which have a placenta that nourishes their developing offspring. Placental mammals are characterized by their hair, three ear bones, and mammary glands, which produce milk to nourish their young.

Placental mammals have live births and are the most diverse and successful of all mammalian groups. Amniotic egg is an egg that is enclosed in a membrane and is laid on land by reptiles, birds, and egg-laying mammals.

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Based on the graphs, the best way to prepare pineapple for use in gelatin desserts is to heat the pineapple to a temperature above 55°C. The graph shows that bromelain's activity decreases rapidly at temperatures above 50°C, and at 60°C, the enzyme's activity is almost completely inhibited. This means that heating the pineapple will inactivate the bromelain enzyme and prevent it from breaking down the protein in the gelatin, allowing the gelatin to solidify properly.

Chilling the pineapple to a temperature below 10°C is not likely to be effective because the graph does not show a significant decrease in bromelain activity at low temperatures.

Changing the pH of the pineapple to 8.5 or 7 is also not likely to be effective because the graph shows that bromelain has maximum activity at a pH of 5. At higher or lower pH levels, the enzyme's activity decreases.

Therefore, heating the pineapple to a temperature above 55°C is the best way to prepare it for use in gelatin desserts.

Answer:

Raise the temperature of the pineapple to above 55C.

Explanation:

I took the test.

The iliac region is the between two legs, the pelvic region, and the reproductive organs of the female. The region is called the iliac as the iliac arteries carry blood to this region. Both sides have an artery connection which is both the right and left of the human body.

The lower abdomen region which consists of kidneys, stomach, pancreas, spleen, gallbladder, and small intestine are located in are known as the organs of the lower abdomen cavity. Both the cavity which is the abdomen and the pelvic cavity referred the abdominopelvic cavity of the human body.

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Answer:

-0.4 F  

255.15K

Explanation:

Answer:

Termite gut microbes provide the enzymes needed to degrade plant polymers, synthesize amino acids, recycle nitrogenous waste, and fix atmospheric nitrogen (N2) (Benemann, 1973; Breznak et al., 1973; Potrikus and Breznak, 1981; Bentley, 1984; Bignell, 2000; Brune and Ohkuma, 2010).

Explanation:

Hopefully this is the answer you are looking for.

The cell cycle checkpoint most likely to catch DNA damage that has occurred due to sunbathing is the G1 checkpoint.

This checkpoint assesses the integrity of DNA before allowing the cell to proceed to the S phase, where DNA synthesis occurs. If any damage is detected at the G1 checkpoint, the cell cycle is paused to allow for repair before the cell can proceed to the next phase. This helps prevent the propagation of damaged DNA in daughter cells.

DNA damage contributes to the mechanisms of aging and disease . It has broad relevance to human pathobiology with its involvement in birth defects, cancer, premature aging syndromes, and certain neurologic disorders. Four decades have passed since Cleaver, in his seminal work, recognized the connection between defective repair of DNA damage, cancer, and neurologic disease in children with xeroderma pigmentosum (XP) . The number of genes in the human genome whose products are involved directly in DNA repair is now considered more than 125 . The neurologic phenotype of XP patients includes ataxia, micro-encephaly, deafness, learning disability, and peripheral neuropathy; the neuropathologic findings include loss of large sensory fibers and dorsal root ganglion cells, cerebellar and cerebral atrophy, and neuronal degeneration . Mutations in genes involved in the nucleotide excision repair (NER) pathway cause most forms of XP.

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A sparrow. We cannot see their ears. One action of the sparrow that shows us that it can hear is when it listens to other birds or responds to sound stimuli produced.

The ears are on the side of the skull, just like in other land animals, but the difference is that they don't have the ears. To find the ears you need to take them in your hands or when they are wet. So be careful with the bath!!

With this information, we can conclude that a bird's song is perceived by the brains of its companions in a similar way to the way the human brain deals with music.

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In this context, the most likely reason why the dominant plants in the deserts found at 30 degrees north and south of the equator look very similar is the climate condition prevailing in those regions.

Deserts are dry areas with high temperatures and low rainfall. The plants and animals that inhabit these areas are adaptable to the harsh conditions that exist in deserts. The deserts found at 30 degrees north and south of the equator are called subtropical deserts. The dominant plants found in these regions are succulents. These are plants that store water in their stems, leaves, and roots.

The climate condition in the deserts found at 30 degrees north and south of the equator is hot and arid. These regions receive little rainfall, and the temperatures are high throughout the year. The plants that thrive in these conditions must be able to conserve water and have the ability to withstand high temperatures.

The similarity in the appearance of the dominant plants in the deserts found at 30 degrees north and south of the equator can be attributed to the similar climate conditions in those regions. The harsh climate condition in those regions makes it difficult for plants to survive.

Thus, the dominant plants that are found in those regions have adaptations that help them survive in the harsh environment.

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A collection of cloned DNA fragments representing the organism's entire genome is called a genomic library.

A genomic library is a collection of cloned DNA fragments that together represent the entirety of an organism's genome, which can be used for various genetic studies, such as gene mapping, sequencing, and expression analysis.

The genomic library is created by isolating and breaking down the DNA from the organism's genome into smaller fragments using restriction enzymes, which are enzymes that cleave DNA at specific nucleotide sequences.

The fragments are then ligated into a vector, which is a DNA molecule that is used to carry the DNA fragments into host cells, and the vector is introduced into a bacterial or yeast host cell for cloning. The resulting library contains thousands to millions of bacterial colonies, each containing a cloned fragment of the genome.

The genomic library can be screened using various techniques to identify specific genes or DNA sequences of interest. For example, a probe can be designed that is complementary to a particular gene or DNA sequence, and the library can be screened using this probe to identify clones that contain the target sequence.

Overall, the genomic library is an essential tool in genetic research, allowing researchers to study the structure and function of genes and genomes in various organisms. It can provide insights into disease-causing mutations, genetic diversity, and evolutionary relationships between species.

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Ultraviolet light can be the answer to future outbreaks because it has the capability to kill the microorganisms present in air and thus can prevent the infectious diseases caused by them.

Ultraviolet light is the EM radiation with the wavelength range 10 nm to 400 nm. It is already being used in research labs for maintaining the microbe free environment. Researches are also being conducted to produce such ceiling lights that can be used normally in households so that the the air-borne microorganisms can be killed.

Microorganisms are the small living organisms not visible to the unaided eyes. They have the strong capability to produce their new variants by mutation and cause infectious diseases. The ultraviolet light can kill them even before they are able to transform themselves.  

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The correct match for the terms describing aspects of Sexual Strategies Theory are:

The Sexual Strategies Theory proposes that males and females have evolved different mating strategies due to differences in the minimum investment required for reproduction and the availability of reproductive opportunities.

Among the conclusions reached by Buss and Schmitt from their research:

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Answer:

The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.

Explanation:

An increase in the price of wheat would lead to a decrease in the supply of straw. This is because farmers would allocate fewer resources to the cultivation of other cereal crops, reducing the production of straw as a byproduct. Therefore, the correct answer is D) Supply decreases.

An increase in the price of wheat would affect the supply of straw by decreasing it. When the price of wheat rises, farmers have a greater incentive to allocate more resources towards growing wheat rather than other crops. Since straw is a byproduct of cereal crops like barley, oats, rice, rye, and wheat, an increase in the price of wheat would lead farmers to focus more on producing wheat, reducing the production of other cereal crops.

As a result, the supply of straw would decrease because farmers are allocating fewer resources to the cultivation of crops that generate straw as a byproduct. This decrease in supply would be represented by a movement down and to the left on the supply curve, as less straw would be available at each price level.

To illustrate this, consider a hypothetical scenario where the price of wheat increases. Farmers, motivated by higher profits, would shift their production towards growing more wheat. This would result in less land, labor, and resources being allocated to other cereal crops, ultimately reducing the overall production of straw. Consequently, the supply curve for straw would shift to the left, indicating a decrease in the quantity of straw supplied at each price level.

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Explanation:

Antimicrobial resistance (AMR),develops when microbes, including bacteria, fungi, parasites, and viruses, no longer respond to a drug that previously treated them effectively.

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An adaptation is any heritable trait that helps an organism, such as a plant or animal, survive and reproduce in its environment.

Individuals with adaptive traits—traits that give them some advantage—are more likely to survive and reproduce. These individuals then pass the adaptive traits on to their offspring. Over time, these advantageous traits become more common in the population.

The step that is part of the engineering design process but is not part of a scientific investigation is solving a problem (Option B is correct).

The scientific method is a series of sequential steps used to collect empirical evidence and thus test hypotheses, which is used both in science and engineering (but engineering also involves solving a given problem).

In conclusion, the step that is part of the engineering design process but is not part of a scientific investigation is solving a problem (Option B is correct).

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Explanation:

Bacteria is a unicellular organism don't have any nucleus or cell walls and reproduce by splitting in two.

2. Paramecium is also a unicellular organism that reproduces by splitting in two.

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Answer:

Whaling

Explanation:

The rest have all proved to trigger coral bleaching.

Answer:

whaling

Explanation:

Answer:

The basic idea of a hypothesis is that there is no pre-determined outcome. For a hypothesis to be termed a scientific hypothesis, it has to be something that can be supported or refuted through carefully crafted experimentation or observation

Explanation:

A hypothesis is an educated guess. When scientist make a hypothesis, it gives them a reason to make an experiment to decide whether its accepted or not and they also learn more about that certain subject while doing so. When scientist make a hypothesis, it gives them a reason to make an experiment to decide whether its accepted or not and they also learn more about that certain subject while doing so. Comments

Answer:

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Anatomy is to structure as physiology is to function which means option c is the correct choice.

Anatomy is to shape as body structure is to feature. Anatomy is involved with the shape and vicinity of organs and tissues relative to at least one another, while body structure research the feature of these systems. Because shape and feature are so carefully related, they may be regularly studied collectively. anatomy is ready shape, body structure is ready feature. Human body structure is the medical have a look at of the chemistry and physics of the systems of the frame and the approaches wherein they paintings collectively to help the capabilities of life.

Thus, option c is the correct choice.

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The osmosis diagram is the one that most accurately represents how a plant cell might change in appearance after spending thirty minutes in a concentrated sugar solution.

Osmosis is the process by which water molecules move from an area with a lower concentration of solutes to an area with a higher concentration of solutes across a semi-permeable membrane.

If a concentrated sugar solution were present, the solute concentration outside the plant cell would be higher than that inside.

Water from inside the plant cell would naturally try to exit the cell as it is submerged in the concentrated sugar solution in an effort to balance the solute concentration on either side of the cell membrane.

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Each protein's 3D shape and function depend on its amino acid sequence. Nucleotides in gene sequences code amino acids.

Large biomolecules and macromolecules known as proteins are made up of one or more long chains of amino acid residues.

Proteins are the fundamental elements necessary for life. Protein can be found in each and every cell in the human body. A chain of amino acids constitutes the fundamental structure of proteins. In order for your body to be able to repair damaged cells and create new ones, you need to get enough protein in your diet.

They serve as the fundamental component of a variety of bodily structures and substances, including hair and skin, as well as enzymes, cytokines, and antibodies.

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Where smooth muscle controls the amount of airflow through the tubules of the Bronchioles, there is no cartilage at which level of the respiratory tree.

The smallest of the respiratory system's conducting components has a diameter of less than 1 millimeter. There are no glands, cartilage, or smooth muscle, and there are no goblet cells.

Unlike the bronchi, the muscular walls of the bronchioles lack cartilage. The size of the tubing can be altered by this muscular wall to either increase or decrease airflow through it.

Eventually, the tertiary bronchi branch into bronchioles, which are smaller airways with smooth muscle but no glands or cartilage. They are less than a millimeter in diameter. A straightforward ciliated epithelium that gradually decreases in height from columnar to cuboidal covers the smaller branches.

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Precipitation of proteins can be accomplished through two primary methods: 1) heating a protein solution and then using centrifugation to separate the proteins, and 2) adding ammonium sulfate to the protein solution, which promotes protein aggregation and subsequent separation.

In the first method, heating a protein solution denatures the proteins, causing them to lose their structure and solubility. Centrifugation is then used to separate the denatured proteins from the solution.

In the second method, ammonium sulfate is added to the solution to increase the ionic strength and reduce protein solubility, leading to protein aggregation.

The aggregated proteins can then be separated from the solution, often by centrifugation as well.

Summary: To precipitate proteins from a solution, you can either heat the protein solution and use centrifugation or add ammonium sulfate to promote protein aggregation and subsequent separation. Both methods serve to decrease protein solubility and facilitate protein separation from the solution.

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Answer:

High Pressure

High Temperature

Long Ages

Explanation:

Answer:

short time period

moderate temperatures

Explanation:

I just finished this assignment.