Interestingly, ____________ do not directly attack, nor destroy, any pathogens.
Answers
Interestingly, viruses do not directly attack, nor destroy, any pathogens. Viruses can only replicate within a living host, which means they have to infect another living cell.
They are the smallest infectious agents that exist and can be found almost anywhere, from the bottom of the ocean to the air we breathe. Once they enter a living organism, they can be quite destructive. The process of viral infection is a complex one. They attach themselves to the host cell and then inject their genetic material. This material instructs the host cell to make copies of the virus, which then go on to infect other cells.
Some viruses can cause serious illnesses in humans, such as HIV, Ebola, and COVID-19. Other viruses, like bacteriophages, attack bacteria. Viruses have the potential to cause epidemics and pandemics, which is why research is constantly being conducted to find effective treatments and vaccines.
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Related Questions
short fibers that branch out from the cell body and receive incoming messages are called group of answer choices myelin sheaths dendrites terminal branches axons
Answers
The short fibers that branch out from the cell body and receive incoming messages are called dendrites. Dendrites are the specialized extensions of the nerve cell that receive incoming signals from other neurons and they are often described as tree-like structures branching out from the cell body of the neuron.
Main function of dendrites is to receive electrical signals which is known as synaptic inputs or neurotransmitters, from neighboring neurons. These signals are transmitted across small gaps that are called synapses. Dendrites have numerous small protrusions that is called dendritic spines, which increase the surface area available for receiving signals.
Dendrites are the short fibers that branch out from the cell body and receive incoming messages. This is a long answer, as requested.
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Question 17 of 30
15 ~ 94%
Complete the following sentence. Iron usually forms only an _____
magnet that loses its
magnetism when moved away from a magnetic source. What one word completes the sentence?
Enter your answer
Answers
Answer:
Iron usually forms an
Induced magnet
Answer:
Temporary or Induced Magnets.
Explanation:
Temporary magnets: These magnets are made of soft iron that has temporary magnetic properties. These magnets behave as permanent magnets when introduced to a magnetic field but lose magnetism when moved away from the magnetic source.Temporary magnets are usually used in radio, electric motors, phones.They are extensively used as electromagnets to produce electricity. The demagnetizing property of electromagnets by altering the intensity of electric current helps in a lot of practical applications based on controlled situations.For more information:
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Contains the code that guarantees the accurate ordering of the 20 amino acids in all
proteins made by living cells.
A. Nucleotides B. Gametes C. Meiosis D. Mitosis
Answers
Mrs. Gray's class has built an electrical circuit. They need to complete the circuit by adding an object that will allow electricity to flow through it easily. One student suggests that they use rubber.
Will the student's suggestion work?
A.
Yes. Rubber is a conductor.
B.
Yes. Rubber is an insulator.
C.
No. Rubber is an insulator.
D.
No. Rubber is a conductor.
Answers
fill in the blank. cellular proliferation can be grouped into the three categories __________,
Answers
Cellular proliferation can be grouped into the three categories: continuous, stable, and labile.
Cellular proliferation is defined as the process by which cells divide and multiply. It's a process in which cells reproduce to create new cells. It is a mechanism that allows organisms to develop and maintain their tissues and organs.Cells are divided into three groups based on their proliferation abilities. There are three classifications of cellular proliferation: continuous, stable, and labile. They're classified based on their ability to multiply and grow.
Continuous cells are cells that divide at a constant rate throughout their lives. They have an infinite capacity for self-renewal and can regenerate after injury or disease. They're always dividing. Stem cells in the bone marrow and gut are examples of continuous cells.
Stable cells are cells that are mostly non-dividing but can enter the cell cycle when needed. Their proliferation rate is slower than continuous cells. Their ability to self-renew is limited and may only occur under certain circumstances. They're able to regenerate after injury or disease. Examples of stable cells include hepatocytes and smooth muscle cells.
Labile cells are cells that are always dividing and can't stay in the G0 phase. They're actively dividing and regenerating. Their life span is short, and they're constantly being replaced. The skin and the lining of the gut are examples of labile cells.
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In need of help please
Answers
Answer:
thick and low in nutrients
Explanation:
because it is so cold and has barely any room for life in the first place, the soil is extremely low in nutrients. it is very thick. i know this because worms cannot move or live in that area because it is too cold and the soil is too thick. if you see what i mean since the worms cant get into the soild since its so thick and cold the soil has no nutrients so sorry it was very hard to explain
In what segment(s) of the digestive tract (mouth, stomach, small intestine) does chemical digestion occur for each macromolecule type?
A carbohydrates
B lipids
C Proteins
Answers
Carbohydrates: Mouth and stomach
Lipids: stomach and small intestine (mostly)
Proteins: stomach
Proteins and carbohydrates have many functions in the body of an organism. Specific proteins and carbohydrates perform specific tasks. Information about
a protein and a carbohydrate is given below.
Ferritin
Ferritin is a protein containing Iron, which is
needed by all living things. Iron is found
In hemoglobin and in cytochromes, which
function in metabolism. Free iron can
damage proteins, lipids, and nucleic acids.
Glycogen
Glycogen is a carbohydrate that consists of
glucose molecules. It can be hydrolyzed as
glucose as needed by an organism.
How are ferritin and glycogen similar in their primary functions for an organism?
O Both store materials needed by the organism.
Both store energy used by the organism.
Both support the structure of the organism.
O Both store information for the organism.
Answers
Answer:
Both store materials needed by the organism.
Explanation:
Proteins and carbohydrates are two biomolecules present in living organisms. They perform varying functions in the body of an organism. According to this question, a specific protein (ferritin) and carbohydrate (glycogen) is described.
Ferritin is a protein molecule containing Iron (Fe). Iron is needed by living organisms as it plays a vital role in organism's metabolism. On the other hand, glycogen is a carbohydrate molecule that is made up of glucose molecules, needed by living organisms.
Based on the description of the two biomolecules provided, they are similar in their primary functions for an organism in the sense that THEY BOTH STORE MATERIALS (glucose and iron) NEEDED BY AN ORGANISM.
What are the prospects for continued economic growth? what ethical problems pertain to continual growth?
Answers
The prospects for continued economic growth is expected rise in the next few years .
What is economic growth prospect?Economic growth prospect can simply be defined as the focus is on current economic trends, both domestically and globally, as well as forecasts of the most important macroeconomic variables, including inflation, interest and exchange rates, GDP growth and household consumption.
The ethical problem which pertain to continual growth is the problem of sustainable growth which is the current growth in output that must not lead to future decrease in growth.
Economic growth is a term used in economics to describe the growth of the economic output of a country at a particular period of time.
So therefore, the prospects for continued economic growth is expected rise in the next few years.
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Scientists have a great deal of responsibility. Why is it important for scientists to communicate their results accurately to people?
Answers
The amount of water vapor present in the air is
A water vapor
B humidity
C anemometer
D air pressure
Answers
Answer:
humidity
Explanation:
The amount of water vapor in the air is called absolute humidity. The amount of water vapor in the air as compared with the amount of water that the air could hold is called relative humidity. This amount of space in air that can hold water changes depending on the temperature and pressure.
endocrine glands are also called as glands
Answers
Answer:
Endocrine glands are also known as the ductless glands
Explanation:
Students recorded their heart rates in several situations. Which of the following data collected would illustrate a feedback response?
A)All students had a constant heart rate while they were at rest.
B)All of the student's heart rates are within a certain range.
C)The heart rates of males were higher on average than females.
D)Every student had an elevated heart rate during exercise.
Answers
Answer: Option D.
D)Every student had an elevated heart rate during exercise.
Explanation:
The students have elevated heart rates during exercise. This is because during exercise, muscles need 3 times or four times oxygen when you exert yourself. During exercise, the heart beat faster which make for quicker pulse so that more blood is pump out of you body. The heart beat both stronger and faster to increase cardiac output during exercise.
Cardiac output is stroke volume × heart rate.
Stroke volume is the amount of blood pumped by the heart.when the heart beats.
Heart rate is the number of times heart beats per minutes.
Looking at the model above, if the hawks are increased, what will happen to the
grass? Please explain your reasoning
Answers
If the hawks are increased in this model, the grass will increase in the food chain.
What is food pyramid?
The model that we can see in the question can eb seen to represent a food pyramid with some organisms at the apex and some underneath.
This is referred to as the series of exchanges of food-based substance and energy from one creature to another.
The main consumers, those that eat the grass, will decline as hawk populations rise. Therefore, there will be more grass because of this.
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Cladograms are scientific hypotheses that can be overturned by new data. True False Angiosperm plants did not appear until after the extinction of the dinosaurs. True False The definition of an analogous character is "a character that has a similar function to a character in a different organism, but these similarities are due to different evolutionary origins". True False In evolution, non-genetic changes that occur during an organism's life span, such as increases in muscle mass due to exercise and diet, cannot be passed on to the next generation. True False The definition of a monophyletic group is "a group of organisms that has a single ancestor and contains only some of the descendants of this unique ancestor". True False An ichnofossil is any part of the hard skeleton left behind by a vertebrate in the fossil record. True False
Answers
An ichnofossil is any part of the hard skeleton left behind by a vertebrate in the fossil record. This statement is false. An ichnofossil is a trace fossil, which is any indirect evidence of past life, such as tracks, burrows, and feces. It is not part of the hard skeleton left behind by a vertebrate.
Cladograms are scientific hypotheses that can be overturned by new data. This statement is true. Cladograms are diagrams that show the evolutionary relationship between organisms based on various traits. New data can cause changes to be made to cladograms which can result in a change to the interpretation of the evolutionary history of organisms.
Angiosperm plants did not appear until after the extinction of the dinosaurs. This statement is false. Angiosperms, also known as flowering plants, appeared in the fossil record at least 140 million years ago. Although the dinosaurs went extinct around 66 million years ago, angiosperms were already widespread and diversifying by that time.
The definition of an analogous character is "a character that has a similar function to a character in a different organism, but these similarities are due to different evolutionary origins". This statement is true. Analogous characters are traits that have evolved independently in different groups of organisms due to similar environmental pressures and not due to a shared ancestor.
In evolution, non-genetic changes that occur during an organism's life span, such as increases in muscle mass due to exercise and diet, cannot be passed on to the next generation. This statement is true. Non-genetic changes that occur during an organism's life span are not heritable and cannot be passed on to the next generation. Only genetic changes that occur in the germ cells, such as mutations, can be passed on to the offspring.
The definition of a monophyletic group is "a group of organisms that has a single ancestor and contains only some of the descendants of this unique ancestor". This statement is false. A monophyletic group is a group of organisms that has a single ancestor and contains all of the descendants of this unique ancestor. This group is also called a clade.
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Which of the following experimental approaches is least likely to be used in identifying transcription factor binding sites?
a. Electrophoretic-mobility shift assay
b. Northern blotting
c. DNA footprinting
d. Chromatin immunoprecipitation
Answers
Northern blotting is the least likely to be used in identifying transcription factor binding sites. Therefore, option "B" is correct. Northern blotting is used for the analysis of RNA in the given sample. The samples can be tissue, blood, and serum.
The RNA is purified from the given sample. The sample might contain fragmented RNA which is purified and amplified. The target RNA is separated by using an electric current. The RNA moved through the gel which act like a sieve-like matrix. The movement of the fragments depends on the size of the fragments. Smaller fragments move faster than larger ones in Northern blotting.
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11. Consider the sequence shown, determine the complementary RNA and the amino acids
DNA
TAC
GTA
ΤΤΤ
G CA
CAC
RNA
Amino Acids
Number 11. Please help
Answers
adenine, thymine, guanine
cytosine, adenine, thymine
adenine
cytosine, guanine, thymine
guanine, thymine
for RNA, you’ll just do the opposite of what the DNA strand says..... so A pairs with T and C pairs with G
for the actual acids, you’ll just list the names of the RNA sequence, which could be adenine, thymine, guanine, or cytosine
The explanation is as follows:
The following information should be considered:
DNA has four nucleotides namely: Adenine, Gunanine, Thymine and Cytosine. While on the other hand, RNA has Uracil in place of THymine. The process of copying the information from DNA into RNA is called transcription, whereas translating the nucleotide sequence into amino acid sequence is called translation.
DNA TAC GTA TTT GCA CAC
RNA AUG CAU AAA CGU GUG
Amino Methionine Histidine Lysine Arginine Valine
acids (start codon)
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An earthquake originated in New York State. The P-wave travel time for this earthquake was recorded in the data table below for four widely separated seismic stations, A, B, C, and D If the first P-wave arrived at seismic station A at 10hrs:22min:30sec, what was the origin time for the earthquake?
Answers
The provided question is incomplete as it lacks the essential information to give answer. however, the complete question is attached as image.
Answer:
The correct answer is option : c. 10hrs: 14min: 10sec.
Explanation:
The question provides the following information to answer the question:
The P wave takes time to reach Seismic station A = 8 min:20 sec
P-wave arrived at seismic station A at : 10hrs:22min:30sec
So, the origin time of earthquake would be: 10hrs:22min:30sec - 8 min:20 sec = 10hrs: 14min: 10sec.
Thus, the correct answer is : 10hrs: 14min: 10sec.
which statement best describes an international between the muscular system and the respiratory system
Answers
Answer:
Explanation:
The muscular system and the respiratory system work together to support breathing. The diaphragm, which is a large muscle located at the bottom of the chest cavity, contracts and relaxes to create changes in the pressure within the chest. This movement helps to draw air into the lungs and then expel it during exhalation. Additionally, the muscles between the ribs, known as intercostal muscles, help to expand and contract the chest cavity during breathing. So, the muscular system and the respiratory system are interdependent, and they work together to support breathing and provide oxygen to the body.
If vegetables become wilted, they can often be
made crisp again by soaking them in water.
However, they may lose a few nutrients during
this process.
Using the concept of diffusion and concentration,
state why some nutrients would leave the plant
cell. [1]
Answers
When vegetables are soaked in water, it creates a concentration gradient where there is a higher concentration of nutrients in the plant cells than in the water.
As a result of this gradient, nutrients such as ions, minerals, and vitamins diffuse out of the plant cells and into the surrounding water until the concentration of nutrients is equalized. This is known as osmosis.
The movement of water molecules from a region of higher concentration to a region of lower concentration through a semi-permeable membrane.
The loss of nutrients is due to the fact that the plant cells are surrounded by a semi-permeable membrane which allows certain substances, like water, to pass through but restricts the passage of others, like nutrients, depending on their size and polarity.
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Select the correct answer. Which form of reproduction in fungi can allow the fungi to reproduce sexually?.
Answers
By fragmenting, budding, or creating spores, fungi can reproduce asexually. They can also reproduce sexually by producing homothallic or heterothallic mycelia.
Plants typically reproduce asexually through a process known as fragmentation. Plants frequently produce vegetatively in a way called fragmentation. When a rooted shoot separates from the primary group, this process is known as fragmentation. Various processes exist in plants. The natural fragmentation of plants is known to occur in a number of additional ways.
Few plants possess the specialized structures necessary for adventitious plantlets to develop on their leaves and eventually separate to grow into full-grown plants. Organs like turions and bulbils are produced by several other organisms.
Fragmentation frequently occurs in nonvascular plants, such as liverworts and mosses. The wind, animals, or even water carry the leaves or stems of moss.
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The act of avoiding an immediately enjoyable behavior in the hopes of getting an even better reward at a later time.
Answers
The act of avoiding an immediately enjoyable behavior in the hopes of getting an even better reward at a later time is delayed gratification.
What is delayed gratification?
Delayed gratification is the act of resisting an impulse in order to take an immediately available reward in the hope of getting a more-valued reward in the future.
An example of delayed gratification is saving money for retirement instead of spending it now.
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which of the following anemias is correctly matched with its description? which of the following anemias is correctly matched with its description? hemolytic anemia: results from inadequate iron intake hemorrhagic anemia: results from red blood cells rupturing pernicious anemia: results from a vitamin b12 deficiency
Answers
The Rupturing Pernicious anaemia, which is caused by a vitamin B12 insufficiency, is a symptom of the autoimmune complaint nocuous anaemia( PA).Thus, this statement is correct among all the other statements.
It's a sneaky, under diagnosed condition with several different presenting types, the maturity of which are nonspecific symptoms.
When you do not have enough red blood cells or your red blood cells are not performing duly, you have anaemia. Our body receives oxygen from the red blood cells. Your cells are given energy by oxygen. Your body can not gain the energy it needs to serve if it does not have healthy red blood cells that do their job. While some forms of anaemia are minor and flash, others might be lifelong. Anemia could be fatal if left undressed.
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Which of the following is true of coral? a. It is located in deep sea regions. B. It supports few species. C. It is composed of a single large and complex coral organism. D. It is composed of thousands of individual coral organisms. Please select the best answer from the choices provided A B C D.
Answers
Answer:
the answer is D
Explanation:
this is all I have
Based on your observations, how might the Broadleaf forest change in the future, assuming it continues to undergo succession without any further major disturbances? State two possible ways the forest might change or develop.
Answers
Based on my observations, The Broadleaf forest change in the future if the Broadleaf forest continues to undergo succession without any further major disturbances, it might experience two possible changes succession then lead promoting biodiversity and ecosystem health.
Succession progresses, the overall species composition of the forest could shift. Initially dominated by pioneer species and fast-growing trees, the forest will gradually give way to more shade-tolerant, slower-growing tree species. These species can thrive in the shaded conditions created by the existing canopy and will replace the early colonizers over time, this change in species composition will also affect the associated plant, animal, and microbial communities, leading to increased biodiversity.
The forest's structure will likely become more complex as succession proceeds. Over time, the forest will develop a multilayered canopy consisting of various tree species at different heights, with an understory of shrubs and herbaceous plants, this complex structure will create a variety of microhabitats and niches, supporting a diverse range of organisms. The increased structural complexity will also enhance ecosystem processes such as nutrient cycling and carbon storage, contributing to the overall health and resilience of the Broadleaf forest. In summary, without any major disturbances, the Broadleaf forest's future succession could lead to a shift in species composition and an increase in structural complexity, promoting biodiversity and ecosystem health.
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which organism causes gastroenteritis and is possibly transmitted through the respiratory route in addition to the fecal-oral route
Answers
An organism causes gastroenteritis and is possibly transmitted through the respiratory route in addition to the fecal-oral route Noroviruses.
What is gastroenteritis?The term "gastroenteritis" refers to irritation and inflammation of the digestive tract, including the stomach and intestines.
The most common causes are viral agents, bacteria, parasites and food poisoning, and the most common complaints are diarrhoea, abdominal pain, cramps, nausea and vomiting.
Noroviruses are the leading cause of adult gastroenteritis in North America and are responsible for projectile vomiting in infected individuals.
Thus, Noroviruses is the answer.
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What is visual reinforcement audiometry?
Answers
VRA is a safe and non-invasive procedure that can be used on infants as young as six months old.
How we can more study about VRA?Visual reinforcement audiometry (VRA) is a type of hearing test that is commonly used to assess the hearing ability of young children who are unable to cooperate with traditional hearing tests.
During the test, the child sits on a parent's lap or in a highchair in a soundproof room.
The audiologist or hearing specialist uses speakers to emit sounds at different frequencies and volumes.
When the child looks toward the direction of the sound, a visual reward, such as a flashing light or a toy, is activated.
This reinforces the child's response to the sound and encourages them to continue responding.
The sounds are presented at increasingly quieter levels to determine the softest level at which the child can hear.
The results of the test can help to identify any hearing impairments that the child may have and inform recommendations for appropriate intervention or treatment.
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who gave the concept of vaccine and immunization?
Answers
At which latitudes do we find Earth's major deserts?
Answers
Answer: Around 30-50 degrees of latitude. This is roughly right above and below the equator.
Lipids are considered the building blocks of plasma membranes. What could be the reason a
cell is unable to synthesize lipids?
Answers
Answer:
phospholipids
Explanation:
The fundamental building blocks of all cell membranes are phospholipids which are amphipathic molecules, consisting of two hydrophobic fatty acid chains linked to a phosphate-containing hydrophilic head group.