Immunity occurs when the person is exposed to a live pathogen, develops the disease, and becomes immune as a result of the primary immune response.
What type of immunity has he developed as a result of his pathogen exposure?Adaptive immunity, Adaptive (or active) immunity develops throughout our lives. We develop adaptive immunity when we're exposed to diseases or when we're immunized against them with vaccines.Immune response is the body's resistance to disease causing microorganisms and damage by foreign substances.Immune system's way of protecting the body against an infectious disease. The three types of immunity are innate, adaptive, and passive. Innate immunity includes barriers, such as skin and mucous membranes, that keep harmful substances from entering the body.Learn more about type of immunity here: brainly.com/question/13778292
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4
Which sentence from the article best explains why some fishes may be dangerous to human
A Though twilight predators are not very good at distinguishing colors, they can detect
shape, outlines, and movement well." (lines 25 and 26)
B
"Many predators that have been quietly waiting in the background all day become more
active at dusk and dawn." (lines 28 and 29)
C "The crepuscular hunters have ingenious ways of picking off their prey." (lines 29 and 30)
D "By thrusting out its lower jaw, its mouth becomes big enough to swallow almost any
prey." (lines 31 and 32)
The correct answer is D "By thrusting out its lower jaw, its mouth becomes big enough to swallow almost any prey.
" (lines 31 and 32) best explains why some fishes may be dangerous to humans. This sentence describes the physical adaptation of certain fish that allows them to swallow almost any prey, including humans, when they extend their lower jaw.
This sentence suggests that the ability of some fish to consume prey much larger than themselves could make them a potential threat to humans.
Therefore, this sentence explains why certain fishes can be dangerous to humans and highlights the importance of being cautious when swimming or diving in areas where such fishes are found.
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hummingbirds get nectar from flowers, and they also distribute the pollen from the followers and help them to reproduce. this would be an example of…
The answer is: Zoophily, which is a form of polinization where the pollen is carried by an animal.
Jane Swenson has been suffering from a cold for about a week and has missed 3 days of work. She decides to return to work at the local senior citizen center. She is still coughing at intervals and has a runny nose but has improved since last week. Should she still use some precautions to prevent spreading her illness? If so, what should she do?
Jane can do a few things to prevent the spread of illness:
- Avoid coughing on others
- Keep a good distance away from those who are not sick
- Sanitize regularly
- Use a tissue for runny nose
Hope this helps
High quality chest compressions in adult CPR characterized by Press down, compressing the chest at a O least 2 inches All of the above .b O Let the chest recoil completely between .c O compressions Delivered at a rate 100 to 120 beats per .d O minute
High quality chest compressions in adult CPR characterized by Press down, compressing the chest at a compressions Delivered at a rate 100 to 120 beats per minute.
What is CPR?Cardiopulmonary resuscitation (CPR) can help save their life. The American Heart Association advises performing quick, forceful chest compressions to begin CPR. This recommendation for hands-only CPR is valid for both untrained bystanders and first responders.
It's always better to try than to do nothing at all if you're hesitant to administer CPR or aren't sure how to do it properly. The choice between taking action and doing nothing could mean the difference between life and death.
Therefore, High quality chest compressions in adult CPR characterized by Press down, compressing the chest at a compressions Delivered at a rate 100 to 120 beats per minute.
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Should fires be surpressed?Why?4 reasons.
Answer:
use google or this
Explanation:
And when is fire suppression appropriate? Experts in favor of letting natural forest fires burn unchecked argue that fire suppression disrupts the natural forest cycle and endangers the livelihoods of people who depend on the forest, and the wellbeing of the plants and animals living there.
which of the following terms refer to the practicle application of scientific knowledge
Answer:
Technology is defined as the application of scientific knowledge for practical purposes, especially in industry
Explanation:
hope it helpsʕ •ᴥ•ʔ
When contrasting the neuroimaging scans of the brains of normal people and those with schizophrenia, it has been found that people with schizophrenia had enlarged brain ventricles developmental cascade hypothesis loosening of associations increased assertive communication
I apologize for the confusion, but there seems to be a mix of different concepts and statements in your sentence. Neuroimaging studies have indeed revealed differences in brain structure and activity between individuals with schizophrenia and those without the disorder, but the specific factors you mentioned are not all directly related to these differences. Let's break down each concept separately:
1. Enlarged brain ventricles: It is true that some studies have found that people with schizophrenia may have enlarged brain ventricles. Ventricles are fluid-filled spaces in the brain, and their enlargement can be an indication of reduced brain volume in certain regions.
2. Developmental cascade hypothesis: The developmental cascade hypothesis is a theoretical framework that suggests that early disruptions in brain development and functioning may lead to cascading effects that contribute to the development of schizophrenia later in life. It proposes that abnormalities in brain circuits and networks can impact various cognitive, emotional, and behavioral processes.
3. Loosening of associations: Loosening of associations refers to a symptom of schizophrenia characterized by disorganized thinking and difficulty maintaining logical and coherent connections between thoughts and ideas. It can manifest as speech that jumps from one topic to another without clear connections.
4. Increased assertive communication: While assertive communication is a general communication style characterized by expressing one's needs, opinions, and feelings in a respectful and direct manner, it is not directly associated with schizophrenia. Communication difficulties, such as disorganized speech or decreased verbal fluency, are more commonly observed in individuals with schizophrenia.
It's important to note that understanding schizophrenia and its underlying neural mechanisms is a complex and ongoing area of research. Neuroimaging studies have contributed valuable insights into the brain differences associated with schizophrenia, but the disorder involves multiple factors and is not solely characterized by any single abnormality or symptom.
All of the different organisms interacting in a pond make up:
A) a community
B) a population
C) the water cycle
D) the habitat
Answer:
Hi, there your answer is a community
Explanation:
(20 POINTS) Which statement BEST explains how RNA polymerase knows where to start & stop making an RNA copy of DNA?
-The enzyme proofreads each DNA strand to help ensure each molecule is copied exactly in the order of the original strand
-The enzyme binds to a sequence of nucleotides called introns they are cut out before they become functional
-The enzyme splices exons together before transcription begins to form the final mRNA molecule
-The enzyme only binds to regions of DNA known as promoters, which have specific base sequences
Answer:
The enzyme only binds to regions of DNA known as promoters, which have specific base sequences
Most digestion and absorption of food occurs in the
The given statement, "Most digestion and absorption of food occurs in the" is incomplete and doesn't provide any clue about the required answer. Therefore, it is essential to know the full statement to provide a valid answer to this question.
The process of breaking down food into smaller components (nutrients) in our digestive system so that the body can absorb them for energy production and other metabolic processes is called digestion. The digestive process can be divided into two types: mechanical digestion and chemical digestion.
Mechanical digestion involves the physical breakdown of food into smaller particles through chewing and grinding. On the other hand, chemical digestion refers to the breakdown of food into smaller nutrients with the help of digestive enzymes and other secretions from the gastrointestinal tract.
After the breakdown of food, the process of absorption takes place. Absorption is the process in which the nutrients, minerals, and other components of food are absorbed by the small intestine and transported to other parts of the body. The small intestine is a critical part of the digestive system responsible for nutrient absorption, while the large intestine absorbs water and minerals.
Nutrients from food are absorbed by the small intestine into the bloodstream and then transported to cells throughout the body for energy production, tissue repair, and other metabolic processes.
In conclusion, the process of digestion and absorption of food is crucial for the proper functioning of the body. The majority of digestion and absorption of food occurs in the small intestine.
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Based on this kind of biogeographical evidence, a scientist might propose the following
hypothesis: The common ancestor of the cactus family evolved in the area now called
South America. Which of these statements best supports this hypothesis about the
common ancestor of the cactus family?
A According to the theory of continental drift, the Atlantic Ocean has become wider
over time.
B
According to the theory of evolution, organisms change over time because they are
better adapted to their environment.
C According to the theory of plate tectonics, South America and Africa were once
connected.
D According to the theory of natural selection, organisms adapt to their environment
over time.
The common ancestor of the cactus family evolved in the area now called South America, and this explains that the common ancestor of the cactus family may belong to the other area, as according to the theory of plate tectonics, South America and Africa were once connected, which is in Option C.
What exactly is the continental drift?According to continental drift, newly formed continents such as Africa and South America were once linked and constituted a single continent as Africa has many deserts, the ancestors of the cactus were grown there, and later, after the continental drift, they were found in South America.
Hence, the common ancestor of the cactus family evolved in the area now called South America, and this explains that the common ancestor of the cactus family may belong to the other area, as according to the theory of plate tectonics, South America and Africa were once connected, which is in Option C.
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New technology is important to the development of theories because it
allows for repeated experimentation.
enables the publication of new research.
replaces theories that are old and hard to test.
provides a new way to acquire new information.
New technology is important to the development of theories because it provides a new way to acquire new information. With new technology, researchers can collect data in new and more precise ways, which can lead to new insights and discoveries. It can also allow for the testing of existing theories in new ways or under different conditions, leading to a better understanding of the phenomena being studied. However, the importance of technology in developing theories does not necessarily mean that it replaces old theories or allows for repeated experimentation on its own. Theories are typically developed through a combination of empirical evidence, experimentation, and theoretical modeling, and the role of technology is to provide new tools and methods for gathering and analyzing data.
Find the mean of 6,9,11,15,20
Answer: 12.2
Explanation:
6+9+11+15+20/5 = 12.2
There have been a number of studies indicating that schizophrenia is a complex genetic disorder. Which of the following observations are most consistent with this hypothesis?
1. Siblings of individuals with schizophrenia have an elevated risk of developing schizophrenia.
2. In monozygotic twins, if one twin has schizophrenia, it is very rare that the other is affected.
3. Malnutrition in utero and certain infections may increase risk of schizophrenia.
4. Schizophrenia follows an autosomal recessive inheritance pattern.
Answer:
1. and 4.
Explanation:
1 explains that siblings may have it since they have the same genetics and 4 explains that it is a autosomal recessive trait and follows a pattern genetically.
what blood type does AO produce
Answer:
O
Explanation:
Both A and B alleles are dominant over O. As a result, individuals who have an AO genotype will have an A phenotype. People who are type O have OO genotypes. In other words, they inherited a recessive O allele from both parents.
The table lists the speed of light in four different materials at the same
temperature.
OA. Water
OB. Diamond
OC. Glass
Material
Quartz 195,000,000
Diamond 125,000,000
Glass 200,000,000
Water
225,000,000
Through which material would light travel the greatest distance in 1 minute?
D. Quartz
Speed of light (m/s)
Based on the speed of light in the four different materials at the same
temperature, the material through which light would travel the greatest distance in 1 minute is water.
The correct option is D.
What is the speed of an object?The speed of an object is the distance covered by the object in a given unit of time.
Mathematically:
Speed = distance / time
The higher the speed of an object, the more distance it can cover in a given unit of time.
Comparing the speed of light in the given materials:
Quartz = 195,000,000
Diamond = 125,000,000
Glass = 200,000,000
Water = 225,000,000
Light has the greatest speed in water, hence, it will travel the greatest distance in water in 1 minute.
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Explain why hemoglobin is more suitable for carrying oxygen in the blood and myoglobin more adept at storing oxygen in the skeletal muscles.
Answer:
Because their structures are different, both are proteins but are shaped in space differently, causing hemoglobin to saturate at high partial pressures of oxygen, and yield oxygen to the medium, while myoglobin at high partial pressures of oxygen will taking.
Explanation:
Hemoglobin has a tetrahedral form, while myoglobin contains a triad form of three main components and not 4.
In addition, myoglobin must capture oxygen to oxygenate the muscle in muscle contraction, since this demands the presence of this gas and the energy currency that is called ATP.
6. Which of the following is not a result of climate change partially caused by burning fossil fuels?
Leaves changing color in the fall months.
7.
a.
b. Caribou not being able to receive food for their young because of an earlier spring season.
Ice melting in the polar regions, causing polar bears to drown.
Acid rain falling on homes and buildings.
Answer:
leaves changing in the fall months
Explanation:
leaves changing in fall months do not directly affect climate change; however, climate change may affect leaves changing by delaying the time or making the process happen sooner
Some drug can pass through the skin,why topical drug pass through the skin layer??
Answer:
Due to small size.
Explanation:
The topical drug pass through the skin layer because of the ability to pass through the epidermis of the skin. The size of particles of these topical drug are very small which can easily pass through the skin layer and added into the blood stream where they perform its function inside the body on the targeted region. If the size of these topical drugs are large so it can not enter inside the skin so that 's why we can say that small size is responsible for entering of topical drug.
The cell cycle involving mitosis would not be used for
asexual reproduction.
asexual reproduction.
sexual reproduction
sexual reproduction
cloning.
cloning.
wound repair.
wound repair.
the accumulation of more cells.
the accumulation of more cells.
answer: sexual reproduction
explanation:
mitosis is when a cell divides to create two exact same "daughter cells" - mitosis is needed for the accumulation of more cells, wound repair, cloning, and asexual reproduction
meiosis is when a cell divides to form gametes (egg or sperm) - meiosis is needed for sexual reproduction
Answer:
The correct answer is - sexual reproduction.
Explanation:
Mitosis is one of the cell cycle mechanisms that take place in the somatic cell and produce identical daughter cells by one parent cell. These daughter cells have the exact number of the chromosome as the parent cell. The main goal of mitosis is growth and replace the dead or worn-out cells.
It also helps in reproduction in various plant or animal cells through asexual reproduction or cloning, or binary fission, however, the process and mechanism are similar. In sexual reproduction mitosis type of cell cycle takes place in sex cells to produce gametes with half number of chromosome.
To compare the temperature and precipitation data for San Francisco, what type of graph is most suitable?
Construct a graph (with ALL the required components). Title, independent and dependent variables, scales for each variable, legend
Please ignore the numbers on the side.
Hurry please!
To compare the temperature and precipitation data for San Francisco, the type of graph is most suitable is single graph (Climographs ).
What kind of graph is used to show precipitation and temperature?The Climographs is known to be a kind of a graph that is often made up of the monthly average temperatures as well as the precipitation totals that is known to be placed on a single graph.
In a single graph, the graph is one that is not made up or do not have more than one edge that is seen between any two vertices.
Hence, To compare the temperature and precipitation data for San Francisco, the type of graph is most suitable is single graph (Climographs ).
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What percentage of nonmigratory wildebeest deaths are caused by predation?
Which of the following is not a negative consequence of upward urban growth?
a. pollution
b. creation of a "heat island"
c.
d. waste management issues
increased use of surrounding land
Please select the best answer from the choices provided
O A
OB
OC
OD
Answer: your answer is letter C
Explanation: upward urban growth will increase pollution as the number of people will increase .
Which of the following is not a characteristic of rivers and streams?
a.)vary in size
b.)mainly saltwater
c.)part of the water cycle
d.)flow toward other bodies of water
Option (b) Mainly Salt water is not the characteristic of rivers and streams.
What is River?Rivers are sizable, swiftly flowing waterways that move water at different rates. They are essential to the movement of water around the globe. They play a crucial role in the natural world by frequently assisting in the formation of different landforms and ecosystems. Last but not least, rivers have played a crucial role in the development of human civilization and modern society.
The end of streams is often a bigger river. Streams are flowing, tiny bodies of water. Streams typically provide water to huge rivers, which makes them tributaries of such rivers.
Characteristic of River and Streams :
a. Vary in Size
b. Part of the water Cycle
c. Flow toward other bodies of water
d. Freshwater Fish
e. High Oxygen Level
f. Cooler Temperatures
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How a population changes in size over a certain period of time
Because of its polarity, water can move from roots to plants up to its leaves
Organic and inorganic Classify the following characteristics and examples of molecules depending on whether they are organic or inorganic Carbohydrates, lipids, proteins, and nucleic acids Contained in living organisms Sometimes contain carbon but do not contain C-H bonds Molecules made of a combination of elements Molecules that contain carbon and hydrogen bonds Water and table salts
Answer:
carbohydrates, lipids, proteins, and nucleic acids)
Explanation:
i looked it up
How can computer controlled systems potentially be beneficial for milking cows?
Answer: Computer-controlled systems can potentially be beneficial for milking cows in a number of ways.
One of the main advantages of using computer-controlled systems for milking cows is that they can help automate the milking process, which can save time and labor for farmers. These systems can be designed to automatically attach and detach milking machines from cows, monitor milk output, and even detect signs of disease or health problems in individual cows.
Another advantage of using computer-controlled systems for milking cows is that they can help improve milk quality and yield. These systems can be designed to monitor the milk output of each cow in real-time, which can help farmers identify cows that are producing lower-quality milk or are at risk of developing health problems. Additionally, computer-controlled systems can help ensure that cows are milked at the optimal time, which can help maximize milk yield and reduce stress on the cows.
Finally, computer-controlled systems can help improve animal welfare by reducing stress on the cows and providing them with a more comfortable and controlled environment. These systems can be designed to adjust the milking process based on the individual needs and preferences of each cow, which can help reduce discomfort and improve overall health. Additionally, computer-controlled systems can help farmers identify cows that are in need of medical attention or other forms of care, which can help prevent health problems and improve overall animal welfare.
Please whats the answer!!
A control in an experiment is a group or condition that is kept constant or unchanged in order to serve as a baseline for comparison with the experimental group or condition.
What is manipulated variable(s), the responding variable(s), and a constant variable?Manipulated variables, also known as independent variables, are variables that are intentionally changed in an experiment to observe their effect on the responding variable(s).
Responding variables, also known as dependent variables, are variables that are measured or observed as a response to the changes made in the manipulated variables.
A constant variable, also known as a controlled variable, is a variable that is kept constant or the same throughout the experiment.
For example, in an experiment to test the effect of light intensity on plant growth, the manipulated variable would be the light intensity, the responding variable would be the plant growth, and the constant variables could include factors such as temperature, soil moisture, and nutrient levels.
It is important to use a control in an experiment because it allows researchers to determine if any changes observed in the experimental group are due to the manipulated variable or if they are simply a result of natural variation or other factors.
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How are most animal behaviors learned?
Answer:
The animal simply learns by observing and mimicking. Animals are able to learn individual behaviors as well as entire behavioral repertoires through observation. Observational learning can occur with no outside reinforcement. The animal simply learns through observing and mimicking.
Explanation:
Answer:
The animal simply learns by observing and mimicking. Animals are able to learn individual behaviors as well as entire behavioral repertoires through observation. Observational learning can occur with no outside reinforcement.