When a urine sample reaches the laboratory, the first technique which is used to determine if a urinary tract infection exists is "Sample is observed microscopically".
What is urinary tract infection?An infection in your kidneys, ureters, bladder, or urethra is known as urinary tract infection (UTI). Most infections affect the bladder and urethra, which are parts of the lower urinary system.
Although signs and symptoms of urinary tract infections are not always present, when they are, they may include:
an intense, constant urge to urinatean uncomfortable burning when urinatingurinating frequently and in tiny amountscloudy-looking urineA indication of the presence of blood is crimson, bright pink, or coke-colored pee.urine that smells stronglyWomen who experience pelvic pain typically experience it in the centre of a pelvis and near the pubic bone.When germs enter in urinary tract through urethra and start to grow in the bladder, urinary tract infections commonly result. Even though the urine system is built to keep off such tiny invaders, these safeguards can go wrong.
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Is the indicator stain in this microscope slide localized in organelles or distributed evenly throughout the cell?
The indicator stain in this microscope slide will be localized in organelles.
What are indicators?Substances called indicators are those whose solutions change color as the pH changes. We refer to these as acid-base indicators. The conjugate base or acid versions of these typically weak acids or bases have various hues because of variations in their absorption spectra.Organic weak acids or bases with complex structures are indicators. To assess the pH (acidity or basicity) of a solution visually, a little amount of a halochromic chemical substance is added to the solution.Therefore, under the Arrhenius model, a pH indicator is a chemical detector for hydronium ions (H3O+) or hydrogen ions (H+). According to the pH, the indicator typically causes the color of the solution to change. Other physical attributes can also alter, as seen by indicators.To learn more about pH indicator with the given link
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Blood passes through the right av valve as it moves from the _______ to the ______
Blood passes through the right AV valve as it moves from the right atrium to the right ventricle.
What is the function of the right AV?
Another word for the right AV is Right Atrioventricular Valve. This valve is responsible for controlling blood flow form the right atrium to the ventricle on the right.
It is situated between the right upper heart chamber and the right lower heart chamber (right ventricle) (right atrium).
To make sure that blood flows in the right direction, the tricuspid valve opens and shuts.
What is the function of the Right Atrium?One of the four heart chambers is the right atrium. Blood with low oxygen content is taken in from the body by the right atrium, which then pumps it into the right ventricle.
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What is the term ecologists use for the biological characteristics of a species that influence how quickly a population can potentially increase?
Biological characteristics of a species that influence how quickly a population can potentially increase in number is life-history strategies.
What are life history strategies?The life history of a species gives us an idea of how a species survives and reproduces during its lifetime.This includes factors which affect the fitness of an organism like life span, maturity rate, death rate, parental care.Two types of life history strategies are Semelparous (those that can reproduce only once in their lifetime) and Iteroparous (those that can reproduce multiple times over their lifetime e.g. humans).Life history strategies relate to natural selection, adaptation and fitness of an organism.Factors like the size, number and sex ratio of offspring, time of reproduction, age and size at which an organism matures affect the life history of an organism.Learn about reproductive strategy here:
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One of the reasons bacteria can be so deadly is because they multiply very quickly. E. coli has a doubling time of around 15 minutes. This means that if 100 bacteria are left alone for 2 hours, they will multiply to become:
Answer: There will be a number of 25600 bacteria after 2 hours.
Explanation: This problem requires some simple math to solve.
We were told that E. coli doubles approximately every 15 minutes. Meaning that, after just 15 minutes, our colony of 100 bacteria is now a colony of 200 bacteria and so forth:
100 * 2^1 = 200
There are 4 15-minute periods in an hour, thus there are 8 15-minute periods in two hours. Therefore, the bacteria will have doubled their population size 8 times:
100 * 2^8 = 25,600
Proteins may be classified according to their three-dimensional shapes. Determine whether the following examples and descriptions refer to fibrous proteins, globular proteins, or both fibrous and globular proteins. True or false?.
Answer:
Explanation:
Polymers of amino acids can be both fibrous as well as globular protein. Hemoglobin is a globular but the collagen is the fibrous protein both being the amino acids.
____________ is routinely offered to all older pregnant women for early detection of chromosomal abnormalities.
Amniocentesis is routinely offered to all older pregnant women for early detection of chromosomal abnormalities.
A prenatal test called amniocentesis can identify genetic diseases (such as Down syndrome and spina bifida) and other health problems in an unborn child. A tiny amount of amniotic fluid from inside your uterus is extracted using a needle by a healthcare professional, and the sample is subsequently examined in a lab for particular diseases.
Typically, amniocentesis is fairly risk-free. The test does, however, include certain hazards. You'll need to balance the hazards and advantages of finding out if your kid might have a problem. There is a possibility that the test could result in a miscarriage for you.
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Which organelle modifies the contents within vesicles and then repackages them for export?
Golgi apparatus is the organelle which modifies the contents within vesicles and then repackages them for export.
The structure of the Golgi apparatus or Golgi complex is flattened, layered, sac-like organelle that looks like a stack of pancakes. It helps to move materials, which are proteins and other molecules, from one part of a cell to another.
Although it intercepts ER vesicles, modify the content for export, and repackage the material in a Golgi vesicle, which can be fuse with plasma membrane. This apparatus even receives proteins and lipids from the rough endoplasmic reticulum. It is because, it helps in transporting protein within or outside the cell.
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What relationship did boyle and joss-reid (2004) predict about sense of humor and illness symptoms?
The negative correlation relationship did boyle and joss-reid (2004) predict about sense of humor and illness symptoms.
A sample of 504 people divided into three groups was used to study the impact of sense of humour on health.
The following were the hypotheses:
1. Humor would be significantly connected with health after adjusting for other factors.
2. That the evaluation of the factor structure of the Multidimensional Sense of Humor Scale (MSHS) would support its construct validity in the Australian context.
3. That people with a greater sense of humour would report significantly higher levels of good health when compared to those with less humour.
Their findings supported the idea that a sense of humour is linked to health and also validated the MSHS instrument's validity and reliability.
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Each of pollan's chapters focuses on one particular plant and pollan suggests that each plant satisfies a specific human desire. Which desire does pollan associate with the potato?
Each of pollan's chapters focuses on one particular plant and pollan suggests that each plant satisfies a specific human desire. The potato satisfies our desire for control – even more so now that we control its genes.
Though people might consider potatoes ordinary everyday fare, history demonstrates how crucial this vegetable is to humankind. Prior to the invention of the potato, conditions were challenging; many people, particularly in northern European nations, suffered from starvation and famine.
Malnutrition and starvation were eradicated in the countries that embraced the potato, and as a result, they grew stronger and more powerful. It is even conceivable that the potato spread resulted in a transfer of power from southern European nations to northern ones.
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Salivary amylase is an enzyme released from the salivary glands that breaks some of the chemical bonds in?
Saliva contains the enzyme, salivary amylase. This enzyme breaks the bonds between the monomeric sugar units of disaccharides, oligosaccharides, and starches.
The salivary amylase breaks down amylose and amylopectin into smaller chains of glucose, called dextrins and maltose.
Saliva contains special enzymes that help digest the starches in your food. An enzyme called amylase breaks down starches (complex carbohydrates) into sugars, which your body can more easily absorb.
For eg- Amylase is responsible for the breaking of the bonds in starches, polysaccharides, and complex carbohydrates into easier to absorb simple sugars. Salivary amylase is the first step in the chemical digestion of food.
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What components and structures of membrane facilitates unequal distribution of polar and charged molecules on two different sides of membrane? How would that be useful for propagating nerve impulse?
The Ion Channels of membrane facilitates unequal distribution of polar and charged molecules on two different sides of membrane.
The traveling wave of electrical excitation, known as an action potential/nerve impulse, can carry a message without attenuation from one end of a neuron to the other as speeds as great 100m/sec or more.
The voltage is an electrical potential energy that is caused by the separation of opposite charges, in the case of across membrane.
It is so because a membrane potential arises when, there is a difference in electrical charge on both the sides of a membrane, due to a slight excess in positive ions over negative ones on one side and a slight deficit on the other.
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If radium-226 were to undergo radioactive decay by electron capture (a type of beta decay) instead of by alpha emission, the resulting nucleus would be?
If radium-226 were to undergo radioactive decay by electron capture (a type of beta decay) instead of by alpha emission, the resulting nucleus would be 226Fr87.
Radioactive Decay:Ionizing radiation is released as a result of radioactive decay. Among the ionizing radiation that is released are alpha, beta, and/or gamma rays. Unbalanced atoms known as radionuclides are the site of radioactive decay.
The most prevalent form of an element in nature is typically the one that is most stable. All substances, though, have an unstable form. Unstable forms are radioactive and emit ionizing radiation. Some substances, like uranium, have no stable forms and are therefore always radioactive. Radiation-emitting substances are referred to as radionuclides.
The amount of time it takes for half of the radioactive atoms present to decay is known as the radioactive half-life. Others have half-lives of hundreds, millions, or billions of years. Some radionuclides have half-lives of just a few seconds.
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Based on the investigation, the student group decides to add a larger number of earthworms to their flower garden. Which statement best explains whether these data are being applied correctly?
The garden is a less stable system, and the results can be easily duplicated.
The garden is a less stable system, and the results can be easily duplicated.
The garden is a more stable system, and the results cannot be easily duplicated.
The garden is a more stable system, and the results cannot be easily duplicated.
The variables are similar, and you can expect the same results in the potted plant and the flower garden without collecting more data.
The variables are similar, and you can expect the same results in the potted plant and the flower garden without collecting more data.
The variables are different, so you cannot expect the same results in the potted plant and the flower garden without collecting more data.
The statement which best explains whether these data are being applied correctly is: the variables are similar, and you can expect the same results in thecand the flower garden without collecting more data option C.
What is are variables?Variables in an experiment are those factors which can easily be manipulated by the researcher and in which if changes occur in them, it results in changes in the subject of the study.
Variables are either;
constant,dependent, or independent.The experiment by the students makes use of earthworms as the independent variable on which plant growth depends on. The variables used are similar as can be found in a garden.
Based on the results obtained, plants with earthworm grow better than that without earthworm.
Thus, the best statement based on the results obtained is that the variables are similar, and you can expect the same results in the potted plant and the flower garden without collecting more data.
In conclusion, the variables in the experiment are the same in the potted plants as can be found in a garden.
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(Choose the letter of the correct answer, ASAP!!!)
1. Lymph tissue and lymph nodes that protect the body from infection
A. Adenoids and tonsils
B. Alveoli and sinuses
C. Bronchi and trachea
2. This tube Carries air down to the windpipe
A. Larynx
B. Sinuses
C. Pharynx
Answer:
answer of first question is option A. and answer of second question is also option A.
Which combining form means ""connective tissue"" or ""flesh""?
The combining combination sarc/o denotes flesh and connective tissue.
As its name suggests, connective tissue holds the body's cells and organs together. They are the most abundant form of tissue in the body. All of the connective tissue that makes up a membrane is connective tissue. Several types of connective tissue include blood, cartilage, osseous tissue (bone), dense fibrous connective tissue, and elastic connective tissue.
There are many terminologies related to sarc/o. Such as sarcomere, sarcolemma and sarcoplasm in muscles.
The sarcomere is the functional unit of a muscle fibre. Sarcolemma is the tiny, translucent tubular sheath covering the skeletal muscle fibres.To learn more about connective tissue click here
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The ________ is the brain structure responsible for the highly developed intelligence of the human species.
The cerebral cortex is the brain structure responsible for the highly developed intelligence of the human species.
What is cerebral cortex?There are hundreds of billions of neurons in the cerebral cortex, and all of them have one of three morphological variations: pyramidal cells, fusiform cells, or stellate cells (granular cells). One of the three is modified in other cell types found in the cortex.Appearance of cerebral cortex:The cerebral cortex has deep sulci and bulges, which are collectively referred to as gyri, that give it a wrinkled appearance.The cerebral cortex's numerous folds and wrinkles provide a larger surface area for an increasing number of neurons to reside, enabling it to process vast amounts of information. The thickness of the human cerebral cortex, which is made up of densely folded sheets of neurons, ranges from 1 to 4.5 mm, with an average thickness of about 2.5 mm.There are between 14 billion and 16 billion nerve cells in the six layers that make up the cerebral cortex.cortex is divided into four lobes: frontal, parietal, temporal and occipital.To learn more about cerebral cortex visit:
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five negative effects of fire?
Answer:
Just all around is bad for the earthExplanation:
Destroying homes.Kill or injures/destroys wildlife habitat.Pollutes the air which harmful to human health. Lung problems, heart failure, and premature death.The increase of carbon dioxide on earth contributes to the greenhouse effect and climate change.Terrence is known to be very social and outgoing at parties. he most likely has high levels of what hormone?
a) oxytocin
b) testosterone
c) serotonin
d) dopamine
Terrence is known to be very social and outgoing at parties. He is most likely has high levels of Dopamine hormone.
Although high levels of dopamine is linked to being more competitive, aggressive and having poor impulse control it can also lead to conditions that include ADHD, addiction or over eating.
The chemical formula of the dopamine is C8H11NO2. Dopamine is commonly also known as the "Happy Hormone" it also results in the feeling of well being. Dopamine is also involved in reward, motivation, memory, attention, and even regulation of body movements or mood of the person too.
In the contrast, low levels of dopamine are linked to the reducing of the motivation and decreased enthusiasm for things that will excite most of the people.
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which of the following statements about cpr is not true
A.immediate compression only cpr
Extrapyramidal side effects are characterized by a triad of symptoms, including what?
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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two most important environmental factors affecting animals
The two most important environmental factors are biotic and abiotic factors affecting animals.
what are the difference between abiotic and biotic factor ?Biotic factors are living beings of an ecosystem where as abiotic factors are non-living like physical and chemical agents in the ecosystem.
Biotic factor dependent on abiotic factor, but abiotic factor are independent.
Biotic factor affects the biome, individual species, population biosphere,, where as abiotic factor affects species, their population, community, ecosystem, and biosphere.
Biotic factor are plants, animals, bacteria, algae where as abiotic factors are soil, topography, climate of an ecosystem.
Biotic factor is subjective but abiotic factor is objective.
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Which condition would increase the likelihood of an animal's remains being fossilized?
Having an exoskeleton would increase the likelihood of an animal's remains being fossilized.
What is exoskeleton?In contrast to the interior skeleton of, say, a person, an animal's exoskeleton is its external skeleton that supports and shields its body. Some of the larger varieties of exoskeletons are referred to as "shells" in use.A protective outside layer on an animal.The chitin-based, hard and rigid outer shell that shields an animal's body is known as an exoskeleton.Exoskeletons are external supports that can be worn to support the body, either to help a person recover from an accident or to improve their biological capabilities. As the name implies. The frame provides limbs with additional movement, strength, and endurance thanks to a network of electric motors.The procuticle, a thick inner chitin-protein layer, and the epicuticle, a thin outer protein layer, make up the exoskeleton. The epicuticle of the majority of terrestrial arthropods, including insects and spiders, contains waxes that help to lessen evaporative water loss.Learn more about exoskeleton here:
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Disclaimer: The given question in he portal is incomplete. Here, the complete question.
Question: Which of the following conditions would most likely increase the likelihood of an animal being fossilized?
a. Living in an oxygen-rich environment
b. Having an exoskeleton
c. Living in an area where geological processes often transform rocks
d. Both a and b
e. None of the above
A research group is looking for a way to use spider silk, valued for its high tensile strength, to make extremely strong ropes, but spiders only produce small amounts of silk. they have isolated the gene and have inserted it into cows to produce the silk protein in their milk where the scientists can collect it in large quantities. what is this process called? a. bioreaction b. transgenics c. artificial selection d. recombination
Option (B) Transgenics is the correct answer.
Transgenics involves one or more DNA sequences being artificially introduced into an organism that wouldn't usually have them.
What is Transgenics?The term "transgenic" refers to organisms with modified genomes.For scientific investigation, most transgenic organisms are produced in laboratories. A particular gene of interest is disabled in transgenic mice called "knock-out" mice. Researchers can learn more about the normal operation of the gene by researching its consequences.It is possible to alter the genomes of living things with contemporary genetic technology. The term "genetic engineering" also applies to this method.Additionally, commercial uses for transgenic organisms have been created. Food crops like soy and peas that have undergone genetic modification to become resistant to pesticides and herbicides are probably the most well-known examples.Hence, Transgenics entails the artificial introduction of one or more DNA sequences into an organism that wouldn't typically contain them.
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Movement of water where density increases underwater causes deep currents please select the best answer from the choices provided t f
True
Yes, it is true that movement of water where density increases underwater causes deep currents.
Why does movement of water where density increases underwater causes deep currents?With the intervention of two primary mechanisms, winds and density differences, whose origin lies in the contact surface between the atmosphere and the sea, ocean mass is constantly shifted and mixed by more or less fast motions. Despite being slow, the movements of the deep ocean masses are nevertheless considered currents since they pull the water in a specific direction. Differences in density, which are influenced by salinity and temperature, are the cause of this movement.What happens to water's density as salinity levels rise?As the water's salinity increases we can observe its density increase.What are underwater deep currents?Different water densities lead to deep currents, also known as thermohaline circulation. These currents are caused by the sinking of cold, thick water at the poles. Water from the surface circulates on a 1000-year journey around the globe as it flows to replace water that is sinking.To learn more about underwater deep currents visit:
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PET differs from fMRI in what ways?
Answer choices:
fMRI requires a radioactive tracer
PET requires a radioactive tracer
PET can only detect proteins
fMRI can only capture chemical reactions
The correct answer is PET requires a radioactive tracer.
In actuality, PET has a higher signal-to-noise ratio (SNR) than fMRI for a single scan. However, because there is no radiation exposure, fMRI generally produces a crisper image and can be done numerous times. Indeed, this may be a sufficient explanation for the shift toward fMRI from PET, which has been on the decline.
[15O] The use of H2O PET in brain activation research has long since been discontinued. There is no radiation exposure, and functional magnetic resonance imaging (fMRI) with blood oxygen level-dependent (BOLD) has a superior spatial and temporal resolution to PET.
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The major significance of Koch's work was that Group of answer choices Microorganisms cause disease. Microorganisms are present in a diseased animal. Microorganisms are the result of disease. Microorganisms can be cultured. Diseases can be transmitted from one animal to another.
The major significance of Koch's work was that microorganisms are present in a diseased animal; option B.
What are Koch's postulates of disease?Koch's postulates of disease refers to the postulates by the German Physician of the 19th century, Robert Koch. The postulates describes and helps to identify whether a particular microorganism is the cause of a given disease.
Koch's postulates are given below as follows:
The microorganism must be found in diseased individuals but not in healthy individualsThe microorganism must be isolated and cultured from the diseased individualInoculation of a healthy individual with the cultured microorganism must result in that particular diseaseThe microorganism must be re-isolated from the inoculated, diseased individual and must be similar to the original microorganism.Therefore, Koch's postulates most significantly helped to prove that microorganisms are present in a diseased animal.
In conclusion, Koch's postulates were significant in explaining the role of microorganisms in disease conditions.
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Suppose that a subject is presented with two stimuli in succession, e.g., stimulus a followed by stimulus b. stimulus a is said to prime the processing of stimulus b if?
Suppose that a subject is presented with two stimuli in succession, e.g., stimulus a followed by stimulus b. stimulus a is said to prime the processing of stimulus b if Processing of stimulus b is aided by prior exposure to stimulus a.
Priming is a psychological strategy where the introduction of one stimulus affects how people react to another. A memory association or representation is triggered by priming right before the introduction of a new stimulus or activity. This phenomenon happens without our conscious knowledge, but it has the potential to significantly affect many parts of our daily life.
Psychology uses a variety of distinct methods of priming. Each one functions uniquely and might have various outcomes.
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What are the properties of toxicants that are likely to build up in animals through bioaccumulation?
Non - biodegradable and lipid soluble are the properties of toxic-ant that are likely to build up in animals through bio-accumulation.
In this chemical such as PCSs, DDT , dioxins, and mercury are all persistent chemicals. Because they don't break down and go away , these chemicals are problems . Toxicants that travels through the environment mainly by means of air and water .
Bio-accumulation is the toxic-ant which buildup the tissues of an animals. Bio-magnification is when toxins moves higher concentrations as they move to higher tropic levels. Toxicity is associated with the bio-accumulation and bio-magnification and storage of metals faster than the rate at which an organism metabolizes and excretes lead to the accumulation of that metal.
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Structure b is a _____. transport protein solute phospholipid solvent water molecule
The correct option is (a) transport protein.
A protein that moves other elements within an organism is referred to as a transport protein. All living organisms require transport proteins for growth and survival. Transport proteins come in a variety of varieties. Transport proteins that participate in assisted diffusion include channel proteins, gated channel proteins, and carrier proteins.
To carry molecules across the plasma membrane, transport proteins work in both active and passive transport. The plasma membrane has two main groups of transport proteins, and each one facilitates the passage of water-loving molecules.
Therefore, The correct option is (a) transport protein.
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Determine the correct sequence of events during the creation of recombinant dna. i. plasmid is cut open with enzymes ii. target gene is cut out with enzymes iii. plasmid is inserted into the bacterium iv. target gene is bonded to the plasmid with ligase
Answer:
ii i iv iii
Explanation:
The correct sequence is
Target gene is cut out with enzyme Plasmid if cut open with enzyme Target gene is bounded to the plasmid with ligase Plasmid is inserted into the bacterium