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Zepler [3.9K]
3 years ago
5

Astrocytes and tight junctions create a barrier to viruses and bacteria known as

Biology
1 answer:
Soloha48 [4]3 years ago
4 0
<span>Answer:The blood-brain barrier (BHE)

 BHE is a barrier that's highly permeability selective and protects the central nervous system  from potential dangers like viruses, bacteria and parasytes that may be circulating int he blood. <span>It is composed of endothelial cells, astrocytes, pericytes.</span></span>
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There are several hypotheses about the causes of muscular fatigue. These include depleted muscle glycogen stores, ion imbalances
navik [9.2K]
<h2>Causes of muscular fatigue</h2>

Explanation:

  • Elevated intracellular Ca2+ has amazingly negative impacts on the elements of subcellular organelles, for example, the ER and mitochondria, prompting weakened metabolic homeostasis.
  • Conversely, mediations that square Ca2+ passage into cells not just improved insulin affectability and glucose homeostasis in stout subjects and diabetic patients yet in addition reestablished autophagy and insulin affect the ability in fat mouse models. In any case, the sub-atomic instruments that interface intracellular Ca2+ over-burden to insulin obstruction have not been totally clarified.  
  • Insulin-animated phosphoinositide 3-kinase (PI3K) catalyzes the phosphorylation of phosphoinositides (PIPs) at the 3-position to deliver PI(3,4)P2 or PI(3,4,5)P3, which select an assortment of flagging proteins with pleckstrin homology (PH) areas, including phosphoinositide-subordinate kinase 1 (PDK1) and protein kinase B (Akt).

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4 years ago
a team of marine biologists have discovered certain rare species of dolphins and whales. With which organization can they share
Mariulka [41]

This information on dolphins is supposed be shared with the teams and organizations which help in saving wildlife on earth.  

This collected data on whales and dolphins will help them to create a strategy to develop multiple ways to help save dolphins and whales.  

Moreover, this information will also be beneficial to people who do fishing on a corporate scale. This information will provide them insight how human activities are impacting other lives on planet.

Name of the organizations which work for wild life includes: world wildlife funds, Oceanic Preservation Society, Ric O'Barry's Dolphin Project, American Cetacean Society.


8 0
3 years ago
Read 2 more answers
What is a biological tropism?
kondor19780726 [428]

Answer:

A

Explanation:

Living organisms adapt to their moves and positions in response to the environmental changes for their protection or to their advantage. When an entity reacts to the changes in its surroundings, it is referred to as stimulus while the reaction to the stimulus is referred to as a response. Common stimuli are sound, light, air, heat, smell, taste, water and gravity.

Think of burning your finger of fracturing your bone without any pain sensation. It may certainly sound like a superpower or an ideal situation, however, when it comes to the standpoint of survival, it can be disastrous.

It is a characteristic behaviour of living entities to respond to stimuli with the intervention of the Nervous System. It is an organ system ascribed to send signals from the spinal cord and the brain throughout the body and then back from all the body parts to the brain. Neuron acts as the mediator and is the basic signalling unit of the Nervous system.

Pain is the body’s way of letting us know that something is not right. It can prevent further injuries or push us to seek medical attention. Moreover, all of this is possible because humans can respond and react to stimuli due to control and coordination among the various organs and organ systems.

Control and Coordination in simple multicellular organisms take place through only the Nervous system which coordinates activities of our body. It is the control system for all our actions, thinking, and behaviour.

4 0
2 years ago
What are the 4 stages of mitosis and their buzzwords
Drupady [299]
Prophase, metaphase, anaphase, And telophase
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3 years ago
Post - lab question<br> 1. Which members of the Smith family can donate to John?
SpyIntel [72]

Answer:

Explanation:

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