Proteins that tag pathogens for destruction by immune cells are called A. antibodies. B. antigens. C. histamines. D. interferons.

Answers

Answer 1
Answer: Proteins that tag pathogens for destruction by immune cells are called (D) Interferons. Interferons are group of proteins used for signals. It is produced whenever there is a pathogen (whether a virus, bacteria, parasites or tumor cells) present in the body. It causes its neighbor cells to increase their anti-viral defense.
Answer 2
Answer:

Answer: Antigen

The antigen are proteins in the cells of the body.Out of over 100 different antigens that have been identified, there are six that have been shown to be the most important in organ transplantation. Of these six antigens, we inherit three from each parent. It is rare to get a six-antigen match between two people, especially if they are unrelated. HLA(human leucocyte antigen) typing is done before the transplant to ensure high probability of success.

A person can make antibodies against another person’s HLA antigens.  If a recipient has strong antibodies against a donor’s HLA, the risk of rejection is high and a donor would be declined for that recipient. so the type of antigens are tested for the compatibility before a transplant to ensure high probability of success and lower the rate of rejection.

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Related Questions

Why do you think species remain in a stage of stasis? A. A stable ecological niche leads to absence of selection pressure, which in turn causes species to remain unmodified or in stasis. B. An unstable ecological niche leads to various selection pressures, which in turn causes the species to remain in a stage of stasis. C. A stable ecological niche leads to various selection pressures, which in turn causes species to remain unmodified or in stasis.
Which activity is the best demonstration of j.j. Thomsons use of creativity in his work?
The molecule responsible for first capturing the radiant energy from sunlight is A. glucose. B. ATP. C. carbon dioxide. D. chlorophyll.
Which one is correct option?
Which of the following processes releases energy to be used by a cell?A. a phosphate group is added to atp to form adp. B. a phosphate group is added to adp to fprm atp c. a phosphate group is removed from adp to form atp D. a phosphate group is removed from atp to form adp

N many ecosystems, smallerpoisonous animals develop a bright coloration. Predators learn to steer clear of these colors, lest they get a mouthful of venom. Over time, other non-poisonous species may develop the same coloration, cashing in on the nasty reputation of the poisonous species. This adaptation is known by which name?

Answers

Answer:

Bayesian mimicry

Explanation:

Batesian mimicry is a form of mimicry where a harmless species has evolved to imitate the warning signals of a harmful species directed at a predator of them both. It is named after the English naturalist Henry Walter Bates, after his work on butterflies in the rainforests of Brazil.

Answer:

Mimicry

Explanation:

Mimicry can described or explained as the process whereby one organism copy the action of others and do exactly the same as that copied organism.

This is usually done when the action copied from the organism is useful in escaping from predators or being seen by other organisms as a predator and allow it to have access to the available resources.

In this case, when other organism copy the bright coloration of that small poisonous organism to drive away other organism, it is called mimicry.

Erosion on a mountain range that was pushed up as a result of two continental plates colliding will lead to the formation of what

Answers

I believe the answer is sedimentary rock

What function do chloroplasts perform?

Answers

Chloroplastswork to convert light energy of the Sun into sugars that can be used by cells.
Work to convert light energy of the Sun into sugars that can be used by cells.

Fossil fuels are fuels such as coal, oil, and natural gas. They are formed over millions of years from the remains of ancient plants and animals. What is the relationship between fossil fuels and energy?

Answers

Fossil fuels are made from decomposed plants and animals found in the Earth's crust and contain carbon and hydrogen, which can be burned for energy. Coal, oil and natural gas are examples of fossil fuels.

What are Fossils Fuels?

A fossil fuel is defined as a hydrocarbon consisting of naturally occurring material in the Earth's crust from the remains of dead plants and animals that is extracted and burned as a fuel. The main fossil fuels are coal, oil and natural gas.

The four main types of fossil fuels are

1. Petroleum

2. Coal

3. Natural gas

4. Oil emulsions.

They normally have a variety of physical, chemical and other essential properties. The most unfair thing about fossil fuels is that they are not green. Fossil fuels are made from plants and animals that decompose.

Thus, fossil fuels are made from decomposed plants and animals found in the Earth's crust and contain carbon and hydrogen, which can be burned for energy. Coal, oil and natural gas are examples of fossil fuels.

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Fossil fuels, like coal, oil, and natural gas, are the primary sources of energy for electricity generation, transportation, heating, and industrial processes, but their use also poses environmental challenges.

The relationship between fossil fuels and energy is foundational to modern society. Fossil fuels, including coal, oil, and natural gas, serve as the primary sources of energy for many aspects of our daily lives and industrial processes. Here's how this relationship works:

1. Energy Generation: Fossil fuels are burned in power plants to generate electricity, which powers homes, businesses, and industries. They are also used as fuels in vehicles, airplanes, and ships for transportation.

2. Heating and Cooling: Fossil fuels are essential for heating homes, providing hot water, and running HVAC systems, ensuring comfort and warmth in colder climates.

3. Industrial Processes: Many industrial processes rely on fossil fuels for heat, steam, and electricity, including manufacturing, chemical production, and refining.

4. Electricity Grid: Fossil fuels play a crucial role in stabilizing the electricity grid, providing reliable power during peak demand.

However, the extensive use of fossil fuels also has environmental consequences, including air pollution, greenhouse gas emissions, and climate change.

As a result, there is a growing emphasis on transitioning to cleaner and more sustainable energy sources like renewable energy (e.g., solar, wind, and hydropower) to mitigate these environmental impacts and ensure a sustainable energy future.

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Which two important things do many economics systems not considered to have value?A. natural resources and human labor
B. supply and demand
C. capital and consumption
D. good and services

i was thinking A

Answers

Answer:

Option A , natural resources and human labor

Explanation:

These days there is heated conversation everywhere regarding the sustainable development but when it comes to accountability of naturally available resources, most of the nations do not have any indices to measure the  consumption rate of natural resources or the left out resources.

Human population however is not even considered a resource in most of the nation and thus its accountability is questionable in all the nations.  

Hence, option A is correct

"A. Natural resources and human labour". I agree.

Which medical advancements are possible using these stem cells? What ethical issues could erise from using embryonic cells to adult stem cells?

Answers

Answer:

  • Stem cells are used to restore or replace tissues that were damaged by disease or injury such as heart attack, also it used to type 1 diabetes which is caused when immune system destroy the beta cells in the pancreas that are responsible to make insulin. Spinal cord injuries can also be cured with the Stem cell therapy.
  • Embryonic stem cell research is ethically controversial because it involve the destruction of human embryo or human life for research.