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Paul [167]
3 years ago
12

How does using killed or weakened bacteria in an immunization help the body prevent infections

Biology
2 answers:
ryzh [129]3 years ago
6 0
The body figures out how to get through the cell membrane to kill the cell while at less risk for the body.
snow_lady [41]3 years ago
3 0
<span>Basically, the body needs to know what it is defending against. Your body can still (usually) fight off infection, even without an immunization, but it takes longer. Basically, your body creates cells with a receptor for a specific disease. When this cell finds the disease it is programmed for, it will send out signals to the "killer" cells to come and kill it. If your body doesn't have the "seeker" cells, it can't fight off the infection until it does. The opposite end are autoimmune diseases, where your immune system starts attacking itself.

brainlest answer</span>
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A student observed cells from an onion root tip in a microscope. The diagram shows her observation. What was happening in the ce
d1i1m1o1n [39]

Answer:

Cell Division!

Explanation:

What is being witnessed is mitosis. That includes your general interphase, anaphase, telophase, metaphase, cytokinesis, etc. These are all part of cell division.

8 0
3 years ago
What are the four important conditions of a respiratory surface
Ksivusya [100]

The four important characteristics of respiratory surface are:

1. Thin walls

2. Moisture

3. Large surface area

4. Blood supply

Respiratory system or respiratory tract is divided into upper and lower tract. Upper respiratory tract includes nose and its cavities, sinuses, pharynx and the part of the larynx. Lower respiratory tract consists of the trachea, bronchi, bronchioles and the alveoli.

Alveoli are the ends of the respiratory tract the smallest units in it. Alveoli are small folded air sacs that are branching off from alveolar ducts and providing an extremely large surface area for the gas exchange. Gas exchange occurs thanks to small blood vessels – capillaries that surround alveoli and it occurs via the process of diffusion.

So, respiratory surface is thin membrane also known as the blood–air barrier that consists of the alveolar epithelial cells, their basement membranes and the endothelial cells of the alveolar capillaries.

6 0
3 years ago
If all the deer disappeared from this community which change would be most likely to occur?
gregori [183]

Explanation:

There will be an imbalance in the food chain

6 0
3 years ago
[25 points] what type of organism is the least numerous in a marine ecosystem? (producer, primary consumer, secondary consumer,
Arisa [49]

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secondary consumer

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They are the least because they play a less important role in the ecosystems.

6 0
3 years ago
Which of these indicates equilibrium in the community? A. seral B. pioneer C. ultimate D. intermediate E. climax
andrew11 [14]

Answer:

E. climax

Explanation:

Even though it is not something that is very common in nature, there are still certain exceptions where certain communities manage to reach a point of equilibrium.  This basically is a community of small number of dominant prominent species that create a stable ecosystem. This state of equilibrium is known as climax community. This type of community appears when the web of biotic interactions between the organisms becomes so intricate that there is no possibility of other species to be admitted in it.

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