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Trava [24]
3 years ago
13

How do antibodies fight pathogens

Biology
1 answer:
aliina [53]3 years ago
5 0

Answer:

1) Antibodies are secreted into the blood and mucosa, where they bind to and inactivate foreign substances such as pathogens and toxins (neutralization).

2) Antibodies activate the complement system to destroy bacterial cells by lysis (punching holes in the cell wall).

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1.scientist solve problem in an organised way called ________
Hatshy [7]

Answer:

1. Scientific method

2. pseudopods

3. In 1909, Ernest Rutherford’s

4. innovation

5. nerve cell

5 0
3 years ago
What are the functions of the menisci?
const2013 [10]

Answer:

Menisci are the semi-lunar fibrous cartilage of the knee which could be either medial meniscus or radial meniscus. The meniscus in humans is present in the joints of the knee, sternoclavicular joints, wrist and temporomandibular joints.

These menisci play important roles in these joints as they reduce the friction caused by the bones during movement. They also disperse the weight of the body of the humans as they spread the load of the weight of the body to different bones like the femur and tibia.

3 0
3 years ago
Explain how human embryonic stem cells, adult stem cells, and skin cells taken from the same person would be the same and how th
Makovka662 [10]

Answer:

There would be many differences as well as many similarities between these cells.

Similarities: All these cells will have the same DNA, the same chromosomes. The organelles in the cells would be the same.

Differences:

Embryonic cells  are totipotent. They have the capability to divide into every cell of the body.

Adult stem cells are pluripotent. They have the ability of divide into some different types of cells.

Skin cells can only divide into skin cells.

4 0
3 years ago
According to reports by National Public Radio, sales of products labeled Non-GMO have more than doubled over the past two years,
lukranit [14]

Genetically modified organisms are those organisms in which certain gene is inserted to get the desired beneficial results.

Explanation:

A genetically modified organism is an organism or plant altered for beneficial traits which would not have been possible by the traditional mating process or recombination techniques.

Genetic engineering is the technique involved for the construction of gene of interest and inserting them in the host species for getting expressed.

Many fruitful results have come out like a tomato of long shelf life k/a flavr savr.

Apart from molecular techniques used for cloning, CRISPR is the recent innovation which had made it very simple.

The GMOs can solve the food problem of the world as Single-cell proteins and longer shelved life food.

Disease resistant plants can be formed for better yields.

Nutrition level of food can be increased.

Example of GMO are canola, corn, papaya, soy and many animals are also on the list.

5 0
3 years ago
The level of organization in living things is cells, tissues, organs, and. . .
I am Lyosha [343]

C systems is your answer

8 0
4 years ago
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