using a named examples explain the differences between a specific body defence mechanism and a non- specific body defence mechanism

Answers

Answer 1

Answer:

Specific body defence mechanism are resistance that are directed against only one specific invader while,

Non specific defence mechanism protects against any of an enormous range of possible dangers.

Explanation:

NON SPECIFIC DEFENCE MECHANISM are the first lines of general defence, they prevent entry and minimise further passage of microbes and other foreign material into the body. There are five main non specific defence mechanisms, these include:

--> defence at body surface

--> phagocytosis

--> natural antimicrobial substances

--> inflammatory response

--> immunological surveillance

Using PHAGOCYTOSIS as a named example of non specific defence mechanism. This involves phagocytes such as the macrophages and neutrophils which are able to trap any invading microbes either by engulfing them or by extending long pseudopodia towards them which grasp them and reel them in. These cells are NON SELECTIVE in their targets.

SPECIFIC BODY DEFENCE MECHANISM directs its actions against a specific invader. In addition immunological memory develops which confers long term immunity to specific infections. The immunity could be cell mediated or antibody mediated immunity.

Using CELL MEDIATED IMMUNITY as an example, Cytotoxic T-cells directly inactivate any cells carrying antigens. This means they are SELECTIVE in their targets. They attach themselves to the target cell and release powerful toxins, which are very effective because the two cells are so close together. This leads to destruction of abnormal body cells such as infected cells and cancer cells.


Related Questions

Which two compounds are always together?
a. Oxygen and Water
b. Carbon Dioxide and Glucose
C. Oxygen and Glucose
d. Carbon Dioxide and Solar

Answers

Answer:

a. Oxygen and Water

Explanation:

Oxygen and water are a pair and they come together. This is proven by the equation for water which is H2O which contains oxygen.

Oxygen and water compounds are always together. So, the correct option is A.

What are Compounds?

A compound is a substance made up of two or more components which are chemically combined in a certain ratio. Chemical bonds hold the elements in a compound together. These bonds can be covalent, ionic, or metallic, according to the characteristics of the elements involved.

Because oxygen is a fundamental component of molecules of water, which have a chemical formula H2O, oxygen and water are frequently found together in nature. Water is required for life as well as many biochemical activities, while oxygen is required for respiration in many species. As a result, oxygen and water are frequently found combined in natural habitats.

Therefore, the correct option is A.

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Someone please help me quick. I only have TWO minutes to answer this question ‍♀️

Answers

Answer:

1. fertilization

2. gamete

3. cell division

4. ??? (only 3 options??)

I hope this helps you! I know you'll do great!

Fertilization
Gamete
Cell division


Which of the following energy producing methods can sometimes lead to riverbed erosion?
A. Solar
b. wind
c. hydroelectric
d. geothermal

Answers

The energy-producing methods that can sometimes lead to riverbed erosion is hydroelectric energy.

Which energy sources does not produce carbon dioxide?

The renewable energy originates from carbon-free. This refers that they do not emit any carbon dioxide when they yield energy.

Solar, wind, and hydroelectric are carbon-free.

Thus, option "C" is correct,  a form of energy that develop the power of water in action.

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Answer:

C. hydroelectric

Explanation:

hope this helps :)

Which characteristic is unique to metamorphic rock?
A It can form from erosion.
B It can form from lithification.
C It can form from parent rocks.

Answers

Answer: C. It can form from parent rocks

Explanation: Metamorphic rocks are the only rocks who have parent rocks

____ The lichen- a close relationship of a fungus and an alga that benefits both.
A. Mutualism
B. Commensalism
C. Parasitism

Answers

it's Mutualism.................

which type of feature of Earth's crust does the diagram show (A) reverse fault (B) anticline (C) normal fault (D) syncline

its enviromental science​

Answers

The figure illustrates the anticline of the earth's crust.

The correct option is B.

Anticline definition:

A structural trap called an anticline is created when rock layers are folded into the shape of an arch. In an anticlinal trap, the rock layers were initially horizontally stacked until earth movement caused them to fold into such an arch-like structure known as an anticline.

What distinguishes an anticline?

Rock formations called anticlines are folded structures with upward convex shapes. This means either anticline resemble a lowercase "n" or an uppercase "A" (remembering the shape of an anticline is as simple as saying "A is for Anticline"). They originate from horizontal and rather flat rock layers.

What is the crust of Earth?

The outermost layer of a terrestrial planet is referred to as its "crust." The older, heavier continental crust and the denser, younger oceanic crust make up the majority of the Earth's crust. Plate tectonics provides information about the dynamic geology of the Earth's crust.

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How does cellular respiration provide energy for life processes?​

Answers

During cellular respiration animal cells combine oxygen with food molecules to release energy to live and function. Remember that cellular respiration produces carbon dioxide as a waste product. Animals use energy to grow, reproduce, and to function. They release the carbon dioxide into the air as a waste product.

What are some examples of biotechnology?

Answers

Answer:

Biotecnología industrial

Los ejemplos incluyen la creación de nuevos materiales en la industria de la construcción y la fabricación de cerveza y vino, detergentes para lavar y productos para el cuidado personal.

la insulina humana, una pequeña proteína utilizada para tratar la diabetes, se produce en bacterias modificadas genéticamente, mientras que las proteínas grandes y más complejas, como las hormonas o los anticuerpos, se producen en células de mamíferos o animales transgénicos

Explanation:

Help and Quick!
For each of the following statements indicate which organism (PLANTS, ANIMALS, or BOTH) performs each process. _____________________ Uses carbon dioxide in photosynthesis. _____________________ Uses oxygen in cellular respiration. _____________________ Produces carbon dioxide that is used in photosynthesis. _____________________ Produces oxygen that is used in cellular respiration.

Answers

Answer:

the first one is plants

the second one is animals

the third one is plants

the fourth one is animals

Answer:

PLANTS

Both

PLANTS

ANIMALS

Explanation:

_____ cells send signals quickly throughout the body

muscle

nerve

connective

epithelial


Answer fast

Answers

Nerve cells send signals quickly throughout the body

Will mark BRAINLIEST to correct answer


Which of these crimes are felonies? Check all that apply.


A) petty theft

B) murder

C) embezzlement

D) public nuisance

E) burglary

plz help

Answers

Answer:

b, e, c

Explanation:

Answer:

murder, embezzlement, burglary

Explanation:

PLZ, PLZ, PLZ HELP! NEED NOW!

Answers

Answer:

the plant is gaining minerals, sugars, and water

Explanation:

I need help
A)16
B)9
C)3
D)6

Answers

Answer: C) 3

Explanation:

If you work through the punnet square for the two rabbits, only four of the sixteen possibilities has red eyes, and only three of those four has gray fur as well. So, three of the 16 rabbits have gray fur and red eyes.

How are ferns, gymnosperms, and angiosperms alike? They are all vascular plants. They depend on water for fertilization. They all produce seeds. Reproduction depends on birds, bees, and other animals.

Answers

Answer:

The correct answer is ''They are all vascular plants''.

Explanation:

Vascular plants or tracheophytes are those organisms of a more evolved plant nature, they are those that have leaves, stem and roots and that have a vascular system formed by conducting vessels. Ferns are pteridophytic vascular plants, they do not produce flowers or seeds and are mostly herbaceous. All those vascular plants that have seeds but do not have flowers are called gymnosperms. The seeds are not covered or protected by an ovary, so they appear visible on the leaves or other parts of the plant. Angiosperms are plants with flowers, whose seeds develop within the ovary, which grows and becomes fruit.

Answer:

they all vascular plants

Explanation:

i did this quiz thingy ma bob and they all vascular plants was the answer

List 5 uses for proteins in the cell.

Answers

Answer:

Protein has many roles in your body. It helps repair and build your body’s tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance. Finally, they keep your immune system strong, transport and store nutrients and can act as an energy source, if needed.

Explanation:

Hope this helped Mark BRAINLIEST!!!

Proteins help in cell structure formation, and cell transport, allow biochemical reactions, cell repair and also help in cell division.

What are cellular proteins?

Proteins present in the cell are of various kinds. They are  formed in the cell by the process of DNA transcription and translation.

The proteins formed in the cell then go on to perform various functions. The cellular proteins form the structure of the cell. They do that either by forming the cell membrane or the membrane of the organelles.

The cellular proteins also help in transport of nutrients. This transport is of two types. It can transport materials from inside to outside of the cell and vice versa. It can also transport materials inside the cell to other organelles.

Various biochemical reactions in the cell are possible because of the cellular proteins. The proteins formed in the cell are also used for cell repair and cell division.

Therefore, the various functions performed by the cellular proteins are cell structure formation, cell transport, allowing biochemical reactions, cell repair and help in cell division.

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what is meant by photosynthesis​

Answers

Explanation:

Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

Answer:

The process by which plants turn carbondioxide and water into carbohydrates and oxygen using  light energy trapped by chlorophyll, is called photosynthesis.

Natural selection is sometimes described as "survival of the fittest." Four friends were arguing about what the phrase "survival of the fittest" means. This is what they said: Diya: "I think ‘fit' means bigger and stronger." Ayush: "I think ‘fit' means more likely to reproduce." Daniel: "I think ‘fit' means being able to run faster." Hari: "I think ‘fit' means more intelligent."

Answers

Answer:

Ayush is correct.

Ayush: "I think ‘fit' means more likely to reproduce

Explanation:

Survival of the fittest simply means when organisms living in an environment develop traits or characteristics that help them to fully adapt to the environmental conditions and are able to survive, reproduce and pass on traits to their next generations. It's an indication that the organisms posses some characteristics that can help them to survive and reproduce in unfavorable environmental conditions.

Please help, any unnecessary answers will be reported. Thanks :)

Answers

Answer:

Digestive

Explanation:

The by-products of digestion are solid waste which is removed through egestion.

Invasive species are harmful not because of what they are, but because of

Answers

Answer:

What they do

Explanation: People put goldfish in lakes and creeks and ponds they invade the area and eat everything there and the animals that are there they take all the recorses that the other speices need

what's the rate of change for 1838 to 1990?

Answers

Answer:

i think 6 or 7 right

Explanation:

HELP ME HELP ME HELP ME HELP ME

Answers

The answer is graph A

Which type of organisms eat or break down dead things?

Answers

decomposers feed on dead things, and those decomposers can be sorted into groups: fungi, bacteria, and invertebrates

A large number of________
and the pacific yew tree. *
come from plants, such as willow tree bark

Answers

Yew is a tree. People use the bark, branch tips, and needles to make medicine. Despite serious safety concerns, yew is used for treating diphtheria, tapeworms, swollen tonsils (tonsillitis), seizures (epilepsy), muscle and joint pain (rheumatism), urinary tract conditions, and liver conditions. I don’t know if that’s what your asking or not, but have a good day :)

Please answer the following questions: No downloadable links or files. I will mark brainliest for those who answer the questions correctly. THX

What happens to macromolecules from food during digestion?
What atoms make up sugar molecules, amino acids, and fatty acids?
What do you notice about the atoms that make up these molecules?
How are these atoms used to make new molecules? What types of molecules are
made?

Answers

Answer:

In chemical digestion, enzymes break down food into the small molecules the body can use. It is important to break down macromolecules into smaller fragments that are of suitable size for absorption across cell membranes./ monomers/when you eat you take in molecules/When atoms join together to form molecules, they are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons between the atoms/ of bond: ionic bonds, covalent bonds, or metallic bonds./Proteins.

Lipids.  

Carbohydrates.  

Nucleic Acid

what kind of cells have haploid chromosomes?​

Answers

Answer:

Haploid describes a cell that contains a single set of chromosomes. The term haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes. In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.

The reproductive cells of a dolphin each contain 22 chromosomes. Dolphins produce offspring through sexual reproduction. How many chromosomes will be found in a dolphin's body cells?

Answers

Answer: 44 chromosomes

Explanation:

Answer:

"The reproductive cells of a dolphin each contain 22 chromosomes."

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PLEASE PLEASE PLEASE HELP GIVING BRAINLY

Changes in ____ result in a change in protein structure which alters the ____-type of the organism and MIGHT increase _____.

Answers

Answer:

DNA, genotype and resistance.

Explanation:

Change in DNA of an organism results in a change in the shape and structure of protein because DNA has the codes of instructions on the basis of which ribosomes synthesis proteins for the cell. This change occurs due to mutation in the DNA sequence that causes change in protein. Due to this mutation, the genotype of an organism changes and might increases its resistance that leads to its survival in that environment so we can say that mutation has good effects on the organisms.

.Why does the heat radiation given off by the ground increase in the early
afternoon?

Answers

Answer:

More Direct Sunlight

Explanation:

The Sun is in the middke of the sky therefore giving more direct sunlight

What are some advantages of being multicellular?

Select all that apply.

ability to live in new environments
greater complexity
larger body size
higher demand for energy

Answers

Answer: A, B, & C

A. ability to live in new environments

B. greater complexity

C. higher demand for energy

Explanation:

HELP, I WILL MARK YOU BRAINLIEST

Answers

Explanation:

I need to see what answers it give u so I can help

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