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Tanzania [10]
2 years ago
13

How would exposure to a sarin or sarin-like chemical affect ca2+ levels inside the sarcoplasmic reticulum?

Biology
1 answer:
ladessa [460]2 years ago
4 0
An exposure to sarin or sarin like chemical will caused the sarcoplasmic reticulum to be continuously stimulated by the continual electrical signal. This will open the calcium channels and allows the calcium ions to bind continuously with troponin. Sarin is an  organophosphorus chemical which is highly poisonous. It is used as a chemical weapon of destruction.
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The spark of life where did organic molecules come from case study answers
Veronika [31]
<span>The spark of life is heavily debated but many scientists believe that lightning in the Earth's atmosphere created the atmospheric conditions necessary for the molecular process. Certain elements such as water vapor and hydrogen sulfide were part of a bonding process that began the first spark of life.</span>
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Which action causes breakers? Waves hit the shore at an angle and transport sand. O Water flows away from the shore and moves sa
Harrizon [31]

Answer:

c

Explanation:

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2 years ago
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A(n) ______ is a plant organs that consists of an embryo, tissues, and a protective coating.
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Explanation:

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2 years ago
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Think back about your experience in this lab using a dichotomous key. What might make it hard for someone to use a dichotomous k
krok68 [10]

Answer: why it is hard to use dichotomous key in the lab are;

If the organisms you want to use it for are similar.

If you can't see the little characteristics posses by the organisms you are using it for.

If all the pictures does not reveal all the important features of the organisms.

It is very difficult to use it to determine the anatomical structure.

Explanation:

Dichotomous key is an important method that is use in biology to identify organisms by separating or dividing the organisms into two groups. It is a tool created by scientists to help them identify organisms or objects. Once the organisms are group into two, more information is revealed more individually.

7 0
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The Black Albatross and the smaller Grey Albatross are closely related species that nest on sandstone cliffs in Antarctica and t
katen-ka-za [31]

Answer:

The correct answer is c) <em>The distributions of both albatross species are limited by the same biotic factors but their distributions are limited by different abiotic factors</em>

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Both of the species are limited in their nesting sites by predators, which represent the limiting biotic factors. They need to nest on the cliffs to avoid predators' access to their calves and in that way, they can ensure reproductive success.

Temperature is the limiting abiotic factor. Grey Albatross need to spend the winter in areas where the temperatures are warmer, while the Black Albatross are able to survive the colder southern winters.

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