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Hope this helps!:)
Related Questions
which pathogen is one of the leading causes of foodborne illness? norovirus listeria monocytogenes campylobacter jejuni clostridium botulinum incorrect
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Norovirus is one of the leading causes of foodborne illness. It is a highly contagious virus that can spread through contaminated food or water.
Symptoms of norovirus infection include nausea, vomiting, diarrhea, and stomach cramps. It is important to practice good hygiene and proper food handling to prevent the spread of norovirus.The leading cause of foodborne illness in the United States is norovirus. It is responsible for an estimated 19 to 21 million illnesses, 70,000 hospitalizations, and 800 deaths each year. Norovirus is a highly contagious virus that can cause vomiting, diarrhea, nausea, and stomach cramps. It is often spread through contaminated food or water, or through contact with an infected person.
It is important to practice safe food handling practices to help prevent foodborne illness.
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The heart-lung machine is used so that surgeons can operate on the arteries supplying the heart muscle. The arteries may be diseased.
(a) Name these arteries and explain how they may become diseased.
(b) Suggest why a patient is put on a heart-lung machine during such an operation.
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Answer:
(a) The arteries supplying the heart muscle are known as coronary arteries. These arteries can become diseased due to a condition called coronary artery disease (CAD). CAD is primarily caused by atherosclerosis, which is the buildup of plaque inside the arteries. Plaque consists of cholesterol, fatty deposits, calcium, and other substances that gradually accumulate on the inner walls of the arteries. Over time, this buildup narrows the coronary arteries and restricts blood flow to the heart muscle. The plaque can also rupture, leading to the formation of blood clots that can further block the arteries and cause a heart attack.
(b) During an operation on the diseased coronary arteries, a patient is put on a heart-lung machine, also known as a cardiopulmonary bypass machine. The heart-lung machine takes over the functions of the heart and lungs during the operation. It allows the surgeon to stop the patient's heart temporarily and redirect the blood flow away from the heart, enabling them to perform the necessary procedures on the coronary arteries.
Explanation:
The heart-lung machine consists of a pump, an oxygenator, and a heat exchanger. The pump maintains blood circulation throughout the body, while the oxygenator adds oxygen to the blood and removes carbon dioxide, functioning as an artificial lung. The heat exchanger helps regulate the temperature of the blood as it circulates through the machine.
By diverting blood away from the heart, the heart-lung machine provides a bloodless and motionless surgical field, allowing the surgeon to perform intricate procedures on the coronary arteries without the interference of a beating heart. This ensures greater precision and safety during the operation. Once the surgical procedures are complete, the heart-lung machine is gradually weaned off, and the patient's heart resumes its normal function.
Which is NOT true about
natural selection?
A. It is observed in populations over generations.
B. It is done by humans to select certain traits useful to us.
C. It occurs with the traits that make a species successful.
D. It is similar to survival of the fittest.
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Answer:
B. It is done by humans to select certain traits useful to us.
Explanation:
There are two main types of selection: natural and artificial. Natural selection is all of the other answers, it is seen over generations and allows the fittest to survive. It also occurs with no human intervention. However, artificial selection is done by humans. It occurs when humans breed animals to best fit their needs. This is best seen in dog breeding.
PSYCHOLOGY!!! HURRY
Which of the following aspects characterizes altruism?
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Answer:
sorry I don't no
Explanation:
I really need like
the enzyme(s) called __________ break(s) down the substrate called __________.
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The enzyme(s) called peptidases break(s) down the substrate called proteins.
Peptidases are the digestive enzymes that can break down the large proteins into smaller peptides or even single amino acids. This process is known as proteolysis. The enzyme is produced in the small intestine of the digestive system.
Proteins are the biomolecules made up of amino acid as the monomers. These are the functional forms of genes that are involved in every function of the body. The proteins are synthesized in the cytoplasm of the cell where ribosomes are present. Proteins are involved in functions like signaling, enzymatic, transport, etc.
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4) A student wanted to determine if the results for wild-caught spiders tested shortly after they were captured would be the same for
different species of prey. Which of the following experiments should the student conduct?
OF. Repeat Experiment 1 with A. domesticus as the species of prey.
G. Repeat Experiment 3 with A. domesticus as the species of prey.
H. Repeat Experiment 1 with a species of prey other than A. domesticus.
J. Repeat Experiments 3 with a species of prey other than A. domesticus.
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Answer:
Answer would be G
Explanation:
How does geography influence climate?
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Answer:
Geography affects the weather in many ways. ... Topographical features like mountains affect the weather mostly in the way that they direct air currents. For example, air is forced to rise over mountains. Moist air will cool as it rises, and then the clouds release the water, causing precipitation like rain or snow.
Explanation:
base on research.. hope it helps
The astronomer states that the tail is caused by evaporation. What is the astronomer most likely observing?.
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The astronomer is most likely observing a comet.
Comets are celestial objects that have a tail that appears when they get closer to the sun. This is because the heat from the sun causes the ice and other frozen materials on the surface of the comet to evaporate, which releases gas and dust particles that create the tail. The astronomer's observation that the tail is caused by evaporation is consistent with the scientific understanding of comets and their behavior.
Comets have fascinated astronomers for centuries, and their study provides valuable insights into the formation and evolution of the solar system.
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HELP!!!! The diagram below shows a portion of the water cycle. What does Y most likely represent
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Answer:
Y most likely represents springs.
In multicellular organisms, cells that do a specific job are often grouped together into masses or layers that are more complex systems. What ar these more complex systems called?
Answers
Answer:
Tissues.
Explanation:
In Multicellular organisms' cells that work together for a common focus are divided into different sects if you will, the basics of Organelles which group into Cells > Tissues which then combine into Organs > Organ Systems and then the Organism itself.
If equal amounts of lactose and glucose are present, will there be b-galactosidase activity within 10 minutes of incubation?
Answers
The presence of equal amounts of lactose and glucose would not affect b-galactosidase activity within 10 minutes of incubation.
This is because b-galactosidase is an enzyme that catalyzes the hydrolysis of lactose into glucose and galactose. It is not affected by the presence of glucose. Therefore, even if glucose is present in equal amounts to lactose, b-galactosidase activity would still occur within 10 minutes of incubation.
However, it is important to note that the rate of b-galactosidase activity may be affected by other factors such as temperature, pH, and the concentration of the enzyme. Additionally, the presence of other substances in the mixture could potentially inhibit or enhance b-galactosidase activity. Therefore, further experimentation would be necessary to determine the precise effect of other factors on b-galactosidase activity in the presence of equal amounts of lactose and glucose.
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what is one way ph might affect kelp
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Answer:
pH might affect kelp by reducing it rate
who is the first person to drive a plane
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Answer:
It was 2 people, Orville and Wilbur Wright were Americans in 1903 who created the first successful plane. The plane was called the 1903 Wright Flyer.
Explanation:
You're welcome.
Which sphere contains the solid part of the Earth that is covered with non-living rock, soil, minerals, and landforms?
A. Biosphere
B. Geosphere
C. Hydrosphere
D. Cryosphere
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The geosphere includes rocks and minerals on Earth.
Answer:
b.
Explanation:
Differences between Elephant Grass and Tridax
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Answer:
Elephant Grass and Tridax are widespread weed and pest plant. Difference between Elephant Grass and Tridax:
Elephant grass is species of grass family while Tridax is a species of a flowering plant.Origin of Elephant grass is Africa and now found everywhere in teh world and Tridax is native to Amrica.Leaf color of Elephant grass is purple while leaf color of Tridax is green and flower is of white or yellow color.Elephant grass reproduce through budding and seedlings while Tridax reprduce trhough pollination.The main difference between the Elephant Grass and Tridax is that the Elephant Grass belogs to the grass family while Tridax belongs to the flowering plants.
Elephant Grass:
It is species of grass family. It was originated in Africa. The leaf color is purple. It reproduce by budding and seedlings.Tridax:
It is a species of a flowering plant.It is native to American weed.The leaf color is green and flower is of white to yellow color.It reproduce by pollination.The main difference between the Elephant Grass and Tridax is that the Elephant Grass belogs to the grass family while Tridax belongs to the flowering plants.
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you are a marathon runner and need energy for tomorrow's race. how would eating pasta (and pie) help your body produce the energy it needs? Be sure to describe what will happen when you are running the race ( and breathing hard).
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which of the following states that heritable factors (genes) retain their identity generation after generation?
Answers
Answer:
particulate hypothesis of inheritance
Explanation:
This states that the inheritable factors retain their identity generation after generation.
Is it okay to be a part of the LGBTQ+
Answers
Thank you! That's the sweetest thing I've read today
What hormone, produced in the anterior pituitary gland, works in conjunction with gonadal steroids to promote bone development in males?.
Answers
The hormone that's produced in the anterior pituitary gland, and works in conjunction with gonadal steroids is the Luteinizing hormone.
What hormone, produced in the anterior pituitary gland, works in conjunction with gonadal steroids to promote bone development in males?Generally, Hormones are chemical messengers in your body. They circulate via the circulation to tissues or organs.
In conclusion, the Luteinizing hormone produces in the anterior pituitary gland.
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5 PLZ HELP 12points+
Select the correct answer.
If the population of rabbits in this ecosystem decreased dramatically because of certain environmental changes, which organisms’ food supply would decrease?
A.
owl and snake
B.
jackal and wildcat
C.
green plant and mouse
D.
goat and wildcat
Answers
Answer: B, the jackal and wildcat
What does this graph demonstrate?
A. The latent studies
B. The web-based curriculum
C. The tracking system
D. The achievement gap
Answers
Answer:
D. The achievement gap
Explanation:
Just took it
Answer:the achievement gap
Explanation:
trust me
The systematic study of the biosphere's organisms is called
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Compared to formal concepts learned in science and math, natural concepts tend to be ________.
A) fuzzy with unclear boundaries B) easier to learn
C) very clear and well-defined D) good fits with a rigid classification system
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Natural notions are frequently hazy and have ambiguous bounds when compared to the formal concepts studied in science and math.
The best choice is A.
What kind of natural notion quizlet is an illustration of?Natural conceptions are ideas that come to you naturally as a result of your experiences in the real world. An illustration of "Natural Concepts" The idea of a platypus is vague in nature (classified as a mammal, but yet lays eggs, has webbed feet, a bill like a bird).
What distinguishes natural from artificial concepts?Due to their ambiguity, natural notions are frequently referred to as "fuzzy conceptions". Artificial notions, in contrast, are ones that are described by a set of guidelines or features, like dictionaries or mathematical formulas. An illustration is the definition of "rectangle" that you studied in math class.
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Which method of heat transfer can occur in empty space?.
Answers
This is the form of heat transfer that doesn’t need a medium to transfer through.
That’s how heat from the sun gets to earth, even though empty space is very cold.
Answer:
Radiation is a heat transfer process that does not depend upon the contact between the heat source
irgm1 coordinately regulates autoimmunity and host defense at select mucosal surfaces. azzam, kathleen m., et al. jci insight, vol. 2, no. 16, 2017, doi:10.1172/jci.insight.91914.
Answers
The provided information is a citation for a scientific article titled "IRGM1 Coordinately Regulates Autoimmunity and Host Defense at Select Mucosal Surfaces" published in JCI Insight in 2017.
The given citation refers to a scientific article titled "IRGM1 Coordinately Regulates Autoimmunity and Host Defense at Select Mucosal Surfaces." The article was published in JCI Insight in 2017. The authors of the article are Azzam, Kathleen M., et al.
The article discusses the role of IRGM1 (Immunity-Related GTPase Family Member 1) in the regulation of both autoimmunity and host defense at specific mucosal surfaces. IRGM1 is a protein that plays a crucial role in the immune system's response to microbial pathogens and the maintenance of immune homeostasis.
The authors explore the functions of IRGM1 in various autoimmune diseases and host defense mechanisms. They highlight the importance of IRGM1 in coordinating immune responses at mucosal surfaces, which are critical sites for interactions between the host and microorganisms.
The findings suggest that IRGM1 is involved in balancing immune tolerance and defense, ensuring appropriate responses to pathogens while preventing excessive immune reactions that can lead to autoimmunity. The article provides insights into the molecular mechanisms by which IRGM1 influences the immune system's behavior and contributes to the regulation of immune-mediated diseases.
It's important to note that the details and specific findings of the study can be accessed by referring to the original article.
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how many inches thick should the bear's fur layer ( lfur ) be to hold a layer of air lair so that adequate insulation is provided?
Answers
Answer: 45 inches long
Explanation:
Certain types of tree frogs live in habitats with a lot of green, leafy vegetation. what color of tree frog would have the best chance of passing on its traits to successive generations in this habitat?
Answers
The color of tree frog that would have the best chance of passing on its traits to successive generations in a habitat with a lot of green, leafy vegetation is green.
Explanation:
Green is a common color among tree frogs, and it provides them with a high degree of camouflage in leafy environments. Green tree frogs are able to blend in with the surrounding vegetation, making it more difficult for predators to spot them. This increases their chances of survival and reproduction, allowing them to pass on their green coloration traits to their offspring.
In contrast, tree frogs with colors that do not blend in well with the environment, such as bright red or blue, would be more visible to predators and have a lower chance of survival and reproduction. As a result, over time, the population of green-colored tree frogs would increase in proportion to other colors due to natural selection.
Which genotyping screening test should the patient with breast cancer undergo to assess the suitability of the anticancer drug?
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Oncotype DX test is the test the patient with breast cancer undergo to assess the suitability of the anticancer drug.
Thus, The Oncotype DX test, for instance, determines whether chemotherapy is likely to be effective for someone with breast cancer by examining the activity of 21 different genes.
Some tests are reserved for those who have a specific type of cancer, such as melanoma. People with several cancer types can employ other tests that look for biomarkers that are present in many different cancer types.
Two cancer genomic profiling tests have received FDA approval. Different genetic abnormalities linked to cancer can be found through tests.
Thus, Oncotype DX test is the test the patient with breast cancer undergo to assess the suitability of the anticancer drug.
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Do Orcas provide oxygen?
Answers
orcas are a mammal and needs oxygen like humans, they have blowhole on the top of their head which help them breathe.
whenever they need oxygen, they come outside the water and take-up oxygen.
Like humans, they have lungs but is unable to take up oxygen all the time.
The whales can also store up oxygen as they have high content of hemoglobin and utilize it by slowing the metabolic rates and heart rates, while resting.
And they also cannot breathe through their mouth as the trachea is not connected to the whale throats.
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Endocytosis and exocytosis are forms of active transport. What is active transport?
Answers
Answer:
process of moving molecules across a cellular membrane through the use of cellular energy
Explanation: