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Vikki [24]
3 years ago
12

Both klebsiella pneumoniae and streptococcus pneumoniae avoid phagocytosis by releasing a-b toxins that kill leukocytes.

Biology
1 answer:
Kobotan [32]3 years ago
7 0
This is a false statement.

Klebsiella pneumoniae and Streptococcus pneumoniae are two bacteria who are encapsulated, that means that they are surrounded by an envelope. This capsule is critical to their pathogenicity since it protects them from the phagocytes of the human immune system. Certain proteins located on the surface of their capsule prevent the phagocytic cell from adhering to the bacteria and engulfing it. 
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Which of the following types of passive transport involves the movement of molecules via special transport proteins? A. facilita
FrozenT [24]

Answer:

A

Explanation:

There are different mechanisms for transport of molecules across the cell membrane. One kind of this transport is facilitated diffusion, this is a form of passive transport, not requiring any ATP (the opposite would be active transport, where it does require ATP.

Simple diffusion does require special transport proteins, and neither does osmosis. Filtration is a technique used for sterilisation of water, where any impurities can be drawn out of the liquid

6 0
3 years ago
As a result of blockage in the pulmonary artery, blood would first back up into the?
andrew-mc [135]

If the pulmonary artery is blocked, blood would go back up to the right ventricle of the heart.

<h3>What is pulmonary artery stenosis? </h3>

The pulmonary artery is responsible for carrying the deoxygenated blood from the right ventricle of the heart to the lungs to get oxygenated.

Pulmonary artery stenosis is a condition in which the pulmonary artery gets narrowed or blocked. Therefore, blood flow from the heart to the lungs is hampered.

This creates pressure on the walls of the heart. Also, if blood flow towards the lungs is hampered, the heart will not receive the required amount of oxygen. All of this will lead to damage to the heart muscles over the course of time.

Therefore, as a result of the pulmonary blockage, blood would first back up into the right ventricle.

Read more about heart valves and vessels, here brainly.com/question/22836711

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8 0
2 years ago
Read 2 more answers
Which of the following positions is essential in radiography of the paranasal sinuses?A ErectB RecumbentC ObliqueD Trendelenburg
34kurt

Answer:

Erect.

Explanation:

Paranasal sinuses are the group of air filled sacs that are present around the nasal cavity. Paranasal sinuses are present four in numbers. These are  maxillary sinuses, frontal sinuses,  ethmoidal sinuses and  sphenoidal sinuses.

The radiography of paranasal sinuses using X ray technique is helful in medical diagnosing. The erect position provides the best image for the radiography of paranasal sinuses.

Thus, the correct answer is option (A).

8 0
4 years ago
Composting creates new soil, removes vegetable matter from the waste stream and provides a thriving ecosystem. What animals bene
valina [46]

Answer: The plants benefit this system, so if the plants benefit so does the herbivores, and if the herbivores benefit then the carnivores, fit, so pretty much anything above the plants in a food chain.

4 0
3 years ago
Read 2 more answers
ilah’s family has a large garden in their backyard. After learning about the role of organisms in an ecosystem, Lilah compares t
galina1969 [7]

Dirt would the the nutrition to the plants.

The sun would provide food for the plants.

Mushrooms would break down dead things.

Small animals would eat the food then defecate to provide more nutrients. (Caterpillar)

Plants get food from the sun, and provide for themselves such as a plant like a tomato or green been.


6 0
3 years ago
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