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Bezzdna [24]
4 years ago
10

The idea that pain signals must pass through a type of “doorway” in the spinal cord is referred to as the

Biology
2 answers:
notka56 [123]4 years ago
6 0
<span>gate-control theory of pain</span>
Mamont248 [21]4 years ago
3 0
Gate controlled theory of pain
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Organisms that live and reproduce in the absence of oxygen
Alik [6]

Answer:

Anaerobes

Explanation:

Those organisms who live and reproduce in the absence of oxygen are termed as anaerobes. Those anaerobes that can not manage the presence of oxygen and harmed by even small quantity of oxygen are called obligate anaerobe, for example, <em>Clostridium botulinum</em>.

Those organisms which have the ability to grow in the absence of oxygen but utilize oxygen when oxygen is present are called facultative anaerobes for example in human intestine <em>E.coli </em>and other bacteria of Enterobacteriaceae family are facultative anaerobe.  

There is one other category that contains anaerobe and called aerotolerant organisms which grow in the absence of oxygen and are tolerant towards oxygen. Therefore the correct answer is anaerobes.

3 0
4 years ago
por favorrrrr es para hoyyyy Como calcularías la densidad poblacional que existe en el Colegio José Celestino Mutis si el total
katrin [286]

Answer:

La densidad de población en la escuela José Celestino Mutis se calculará dividiendo el número total de estudiantes por el área de tierra (kilómetros cuadrados). En primer lugar, convertir 1000 metros cuadrados a kilómetros cuadrados, lo que nos da 0.001 kilómetros cuadrados. Así, 2500 dividido por 0.001 kilómetros cuadrados da 2,500,000

3 0
3 years ago
The Sun has a part in many natural processes on Earth, such as _____.
sammy [17]
All of the above, here's an explanation. The sun helps the water cycle due to evaporation which causes it to turn into a steam/gas. Now for wind, it's because the sun heats up the air and causes thermal energy which later turns into wind. And finally, weather, obviously the sun evaporates water which causes it to be rainy/drowsy.
6 0
3 years ago
Read 2 more answers
A mutation in Complex I decreases the efficiency of the electron transport chain. However, not all components of the electron tr
Colt1911 [192]

Answer:

b. Complex II

Explanation:

The electron transport chain is a sequential series of proteins located in the inner membrane of the mitochondria that act to transfer electrons from different members of the transport chain in a series of redox reactions, which is coupled to the movement of protons (H+) across the membrane. Complex I (also called NADH dehydrogenase or NADH- CoQ reductase) accepts electrons from NADH and passes them to Complex III (also known as coenzyme Q reductase), which also receives electrons from Complex II (succinate coenzyme Q reductase). Ubiquinone (Coenzyme Q) accepts electrons from both complex I and complex II and transfer them to complex III. From complex III electrons pass to complex IV through cytochrome c oxidase and finally to molecular oxygen (O2, the final electron acceptor). In consequence, Complex I and Complex II are linked by different pathways to Complex III, thereby it is expected that Complex II remains unaffected by a mutation in Complex I.

6 0
3 years ago
Read 2 more answers
Name two extinct species that share a close evolutionary relationship with humans.
nata0808 [166]

Answer:Do not worry im here to help!

EXTINCT ANIMALS THAT ARE CLOSELY RELATED TO US ARE:Some of the extinct members of this family include Gigantopithecus, Orrorin, Ardipithecus, Kenyanthropus, and the australopithecines Australopithecus and Paranthropus.

animals that are not exticnt and are stilll here and are closley related to us are the: orangutans and gorillas are in the great ape family, humans are most closely related to two other species in the family: bonobos and chimpanzees.

8 0
3 years ago
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