George's doctor will need to culture the isolated S. aureus to determine if the isolated bacterium is the one responsible for the infection.
What is Koch's postulates?Robert Koch was a famous microbiologist that made some postulates as follows:
The bacteria must be present in every case of the disease.The bacteria must be isolated from the host with the disease and grown in pure culture.The specific disease must be reproduced when a pure culture of the bacteria is inoculated into a healthy susceptible host.The bacteria must be recoverable from the experimentally infected hostAccording to this question, S. aureus has been isolated from George’s infected wound.
This means that in accordance with Koch's postulates, George's doctor will need to culture the isolated S. aureus to determine if the isolated bacterium is the one responsible for the infection.
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When there are a lot of molecules in one place it is considered an area of:
When there are a lot of molecules in one place it is considered an area of High concentration.
What are molecules?
A molecule is a collection of two or more atoms held together by the attractive forces known as chemical bonds.
The movement of molecules from a region with a high concentration to one with a lower concentration is known as diffusion. Diffusion is the passage of tiny molecules across the cell membrane during cell transport.
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Explanation:
High concentration
Mark the word lot of moleculesIt refers to colligative property which is directly proportional to no of moleculesThen it is denoting that concentration is moreHence high concentration is correct
Heat is an example of____energy of matter, and temperature is the measure of this energy.
Internal
Potential
Latent
Kinetic
Heat is an example of Kinetic energy of matter, and temperature is the measure of this energy. So, the correct option is (D).
What is Heat?Thermal energy or heat is a type of energy that comes from the motion of atoms and molecules in a substance. It increases when these particles move faster.
Geothermal energy is the heat energy in the earth while kinetic energy is the energy stored in the motion of objects. Heat energy comes from a substance whose molecules and atoms are vibrating rapidly due to the increase in temperature.
Heat energy is another name for Thermal energy or Kinetic energy which is the energy of an object in motion. Since heat energy comes from moving particles. It is a form of kinetic energy.
Thus, heat is an example of Kinetic energy of matter, and temperature is the measure of this energy. So, the correct option is (D).
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Monotheism is
a religion that believes in many gods.
an agnostic position toward the existence of god.
religion that believes in the existence of one god.
a belief that god does not exist.
Why does a solid change to liquid when heat is added?
A. The spacing between particles decreases.
Particles lose energy.
B.
C. The spacing between particles increases.
D. The temperature decreases.
Rese
Answer:
C. The spacing between particle increases.
Explanation:
The particles are given more energy and begin to vibrate faster when a solid is heated. As the atoms vibrate faster, spacing in between particle increases.
A scientist notices that a lump of niobium is warm to the touch and wonders if nuclear reactions are taking place in the metal. How can she find out?.
Checking for the presence of alpha, beta, and gamma particles will determine if nuclear reactions are taking place.
What is a Nuclear reaction?This reaction occurs when two or more nuclei fuse together to form a new one and is characterized by heat also.
Its unique property is the presence of radiations which is why the presence of alpha, beta, and gamma particles should be checked.
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A scientist can find out whether a nuclear reaction is taking place or not by inspecting the presence of alpha, beta, and gamma particles.
What is Nuclear Reaction?A nuclear reaction may be defined as a strategy in which the nucleus of an atom is transformed by being shattered apart or united with the nucleus of another atom.
The complete question is as follows:
Measure the metal’s temperature.Check for the presence of alpha, beta, and gamma particles.Look for the presence of niobium compounds.Place the niobium in a pressurized container, and see if the lump becomes warmer.Therefore, the correct option for this question is B. This is because the influential existence of these particles is a characteristic indicator of radioactive decay which means unstable atoms spontaneously experience a nuclear reaction.
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Which of these do scientists change when new evidence conflicts with old
ideas?
A. Experimental variables
B. Experimental results
OC. Scientific methods
OD. Scientific theories
Scientists change scientific theories when new evidence conflicts with old ideas; option D
What are scientific theories?Scientific theories are explanations put forward by scientists to explain a given observation based on current research.
Scientific theories can be modified based on changing evidence due to further research.
Therefore, it can be concluded that when new evidence disproves old ideas, scientists modify and adjust scientific theories to harmonize with new evidence.
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Carbonization is a type of fossilization that:
The characteristic of fossil fuel is that; it creates a 2D film of residue where an organic object used to be.
What type of fossilization is Carbonization?Carbonization as a means of fossilization is characterized by the fact that: it creates a 2D film of residue to replace an organic object used to be. On this note, it follows that the fossil record in this scenario is biased towards preservation of organisms with characteristic hard parts like shells.
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diphtheria causing agent mode of Transmission, incubation period,symptoms and preventive measures and cure
answer it faster and faster
Answer:
vf
Explanation:
fg
Diptheria is a serious infection mainly caused by a specific type of bacteria. This diseases is associated to different symptoms.
What is the causing agent?This disease is caused by Corynebacterium diphtheriae, which is a specific type of bacteria. Moreover, this bacteria produces toxins and this is the cause of the symptoms.
How is it transmitted?This can be transmitted through saliva droplets from one infected person to a healthy person. Usually, symptoms appear within 5 days after getting the bacteria.
What are the symptoms?Although this disease has many symptoms, the most important ones are sore throat and gray lining on the throat and nearby areas.
How to prevent it or treat it?Antibiotics and antitoxins are often used, but the best is to prevent it through vaccination.
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Anxiety is __________, and therefore anxiety disorders probably exist in all human societies, though there likely are some differences in prevalence and in its expression.
Anxiety is mental diseases, and therefore anxiety disorders probably exist in all human societies, though there likely are some differences in prevalence and in its expression.
What is anxiety and symptoms?Anxiety symptoms can manifest on a physical level, such as a feeling of tightness in the chest and tremors, or on an emotional level, such as the presence of negative thoughts, worry, insecurity or fear, for example, and usually several symptoms appear at the same time.
In this case, women are twice as likely to develop anxiety as men because the cultural issue, of activities that are left to the care of the woman: care for the house, with the children, with the family, regardless of whether she works or not
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Which instrument is best suited for measuring the dimensions of a shoebox?
a triple-beam balance
a volumetric flask
a ruler
a caliper
Answer:
a ruler
Explanation:
I say A ruler because think how small a shoebox is a shoebox is not that big so you would measure it with a ruler
describe sources of environmental variation ?
Answer:
they are climate, food supply, and actions of other organisms.
Females who lift weights are not going to develop large, bulky muscles because __________.
Females who lift weights are not going to develop large, bulky muscles because they have lower testosterone levels than men.
What is testosterone?Testosterone is defined as the main sex hormone of the males that are produced in the testicles.
The functions of Testosterone include
bone mass, fat distribution, muscle mass and strength, and the production of red blood cells and sperm.This hormone is produced in small quantities in females therefore, females who lift weights are not going to develop large, bulky muscles.
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A scientist is examining a simple multicellular organism with a nucleus and specialized organelles that was found in a moist environment. What kingdom does this organism belong to?.
Answer:
Kingdom Protista
Explanation:
They have a nucleus, are multicellular, and prefer moist enviornments.
how are fruit and vegetable made available in the off season?
Out of season fruit has either been imported from another country or grown in heated greenhouses. Either way, excess carbon emissions are created.
Mark as brainlest answer (✯ᴗ✯)Answer:
Fruit And Vegetables out of season are mostly brought from other countries in most of the places
Explanation:
Hope It Helps!!
Muscles that guard entrances and exits of internal passageways are ________ muscles.
The answer to the given question will be that the muscles that guard the entrances and exits of the internal passage are known as sphincter (circular muscles).
Due to their structure and controllability, skeletal circular muscles differ from their smooth muscle counterparts.The muscularis mucosa, which is mostly found in the stomach, is composed of smooth muscle. The longitudinal layer shortens the tract while the circular muscle layer in the muscularis externa prevents food from moving backward.The human body contains at least 50 or 60 different types of sphincters. Some are quite small, like the many precapillary sphincters that line the circulatory system's blood vessels.Lower esophageal sphincter (LES), pyloric sphincter (PS), ileocecal sphincter (ICS), and internal sphincter are the four different smooth muscle sphincters found in the GI system (IAS).Hence, the answer is that the muscles that guard the entrances and exits of the internal passage are known as sphincter (circular muscles).
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Suggest why glucose is converted to glycogen rather than kept as glucose inside the cells
Explanation:
after a main glucose and the liver and level of blood glucose rise this successful course is guilt with by the glucose lenses which is the liver Converse glucose into glycogen for storage the glucose that is not stole is used to produce energy by a process called glycolysis
a eukaryotic chromosome consists of _____
A eukaryotic chromosome consists of histones.
Properties of eukaryotic chromosomeEukaryotes posses pairs of linear of chromosomes and they are all contained in the nucleus of the cell, possessing characteristic forms.
Eukaryotic chromosomes consists of histones which are condensed and DNA surrounding nuclear proteins.
Therefore, a eukaryotic chromosome consists of histones.
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Hull fouling is a(n) _______ introduction of nonnative species. a. unintentional b. intentional c. unimportant d. land-based please select the best answer from the choices provided a b c d
Hull fouling is an (a). unintentional introduction of nonnative species
Meaning of Hull foulingHull fouling can be defined as an unintentional act that transport species from one place to another by water vessels.
Hull fouling also mean the attachment of species to a water vessel which leads to an unknowing transportation of such species
In conclusion, Hull fouling is an unintentional introduction of nonnative species
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Answer:
a. unintentional
Explanation:
trust nerds
Which statements describe how traits are inherited? Check all that apply.
An offspring always receives different alleles from each parent.
An offspring always receives the same alleles from each parent.
An offspring can receive different alleles or the same alleles from each parent.
Traits are inherited when proteins are passed from parents to offspring.
Traits are inherited when genes are passed from parents to offspring.
00
The statements describe how traits are inherited are:
Traits are inherited when genes are passed from parents to offspring.An offspring can receive different alleles or the same alleles from each parent.What are traits?Dominant traits are always expressed when the connected allele is dominant, even if only one copy exists.
Recessive traits are expressed only if both the connected alleles are recessive.
Polygenetic traits are basically the traits that are controlled by two or more genes.
Thus, option "3 and 5" is correct.
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What is the most likely result of the chemical reaction represented by this equation?
Answer:
the substances formed as result of chemical reaction are products
Explanation:
chemical reaction the atoms and the molecules produced by the reaction are called projects in a chemical reaction on the atoms present in the 10th and the up the production of new atoms are created them know and terms are destroyed
Explain why the plant with the mutated psaB gene was dying
As given in the graph, mutation in this gene causes a decline in the production of glucose as it obstruct the process of photosynthesis.
What is psaB gene?P700, the primary electron donor of photosystem I (PSI), as well as the electron acceptors A0, A1, and FX, are bound by PsaA and PsaB.
As given in the graph, mutation in this gene causes a decline in the production of glucose as it obstruct the process of photosynthesis.
Thus, the plant with the mutated psaB gene was dying.
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How is the rough ER different
from the smooth ER?
A. The rough ER has visible ribosomes.
B. The rough ER has visible chromosomes.
C. The rough ER has a visible nucleotide.
A scientist discovers an unknown multicellular organism with an endoskeleton.
Which kingdom does the organism most likely belong to?
Protista
Plantae
Animalia
Archaea
The unknown multicellular organism with an endoskeleton most likely belongs to the kingdom Animalia. Thus, the correct option is C.
What is Kingdom?Kingdom may be defined as a taxonomic classification of the second-highest rank, just below the domain and above the phylum.
Endoskeleton is found in the kingdom Animalia and refers to the skeletons which are present inside the body of the organisms that provide structural support and protection and assist them in migration.
Therefore, the correct option is C.
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What did Hershey and Chase
discover?
A. bacteriophages using DNA to infect bacteria
B. the shape of DNA
C. bacteria transforming a material, bringing them
back to life when one was killed
D. which bases pair together in DNA
The correct answer is (A.) bacteriophages using DNA to infect bacteria.
Explanation
1. In 1952, Alfred Hershey and Martha Chase did experiment to find the genetic material in organisms.
2.Bacteriophages (viruses that affect bacteria) were the key element for Hershey and Chase experiment.
3.In which they concluded DNA as genetic material as bacteriophages use DNA to infect bacteria and not protein.
When you become too cold, your hypothalamus will signal what parts of your body to raise the temperature?
A. Kidneys and lungs
The hypothalamus notices a decrease in body temperature, it sends signals to muscles and skin.
How does the hypothalamus work?Human performance is best when their body temperature is 37 ° C or 98.6° F. The equilibrium of temperature (Homeostasis) is disrupted whenever body temperature rises or increases.Together, the body's organ systems try to sustain homeostasis instinctively and cognitively. They adapt naturally to fluctuations in their external surroundings in order to keep the internal atmosphere at the best possible conditions for wellness.The brain region known as the hypothalamus is responsible for preserving the body's internal equilibrium. It is the area of the brain that keeps track of processes including body temperature, appetite, and the release of different hormones.The hypothalamus is the first organ to notice a decline in body temperature so that homeostasis can be maintained. The message is sent to the muscles and skin, which causes one to tense up and shiver as the blood vessels under the skin tighten.Therefore, it is concluded that when we feel too cold muscles and skin work to raise the temperature directed by the hypothalamus.
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The feeling that one has had the same experience before is known as _____.
Answer:
deja vu
Explanation:
This actually the French word "to see again"
Scientists predict that the human population will continue to increase. Which
two events are likely to occur as a result?
A. The amount of water released into streams and rivers will
increase.
B. The amount of natural space will decrease as suburban areas
increase.
C. More people will move to the cities, increasing the amount of
natural space.
D. Air pollution will increase due to increased use of fossil fuels.
Answer:
Air pollution will increase due to increased use of fossil fuels and the amount of natural space will decrease as suburban areas increase.
1. In cultivating wheat, early farmers selected wheat plant
a. whose seeds were easily dispersed.
b. whose stalks did not break easily in the wind.
c. that produced the fewest grains.
d. that had the largest seed pods.
Answer:B
Explanation:
what is the best definition for a Liger?
Answer:
The liger is a hybrid offspring of a male lion (Panthera leo) and a female tiger (Panthera tigris).
Explanation:
These protein-based substances enhance digestion by making chemical reactions more likely to happen. group of answer choices bile emulsifiers enzymes hormones
Answer:
The answer is enzymes..
