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Readme [11.4K]
3 years ago
7

What is the sarcoplasmic reticulum? how does it aid in the stimulation of muscle contraction?

Biology
2 answers:
wolverine [178]3 years ago
6 0
The sarcoplasmic reticulum<span> is a specialized type of smooth ER which regulates the calcium concentration in the cytoplasm of striated muscle cells during muscle contraction.</span>
sleet_krkn [62]3 years ago
4 0

It bathes the sarcomere in calcium.


Activated when muscle cells are stimulated.


It stores large amounts of calcium.

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Select all that apply.<br><br> Which statements are supported by the second law of thermodynamics?
svet-max [94.6K]
1.No process is possible whose sole<span> result is the absorption of heat from a reservoir and the conversion of this heat into work.
2.</span><span>No process is possible whose </span>sole<span> result is the transfer of heat from a cooler to a hotter body
3. </span><span>There exists for every system in equilibrium a property called </span>entropy<span>, </span><span> , which is a thermodynamic property of a system. For a reversible process, changes in this property are given by

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8 0
3 years ago
Sex chromosomes pair during meiosis even though they are ____________
Semenov [28]

Answer:

heterologous

Explanation:

Recombination occurs between homologous regions between chromosomes.

Although  sex chromosomes come from autosomal chromosomes and were once homologous, they have evolved distinctly casuing low homology between them. Currently sex chromosomes are heterologous and differ substantially in composition. In fact, recombination between sex chromosomes only occurs in a small pseudoautosomal region that is still homologous.

5 0
4 years ago
The diagram shows an age structure for the population of Thailand in the 1960s. Which of the following conclusions about the pop
Olin [163]

The diagram shows an age structure for the population of Thailand in the 1960s.From the diagram we can conclude that -The population has a large proportion of youth under the age of 25.The population is in a period of rapid growth.The population has a large proportion of seniors over the age of 65.

Explanation:

The diagram shows an age structure for the population of Thailand in the 1960s. The following conclusions about the population are supported by the age structure

  • The population has a large proportion of youth under the age of 25.
  • The population is in a period of rapid growth.
  • The population has a large proportion of seniors over the age of 65.

From the diagram given we can see that  during the year 1960 the population of the individual under the age group of 25 years was more which clearly indicates that the population is under the period of rapid growth .From the image we can also conclude that as the age of an individual increases from 25 to 65 and then 105 years the number of individuals decline(A steep decline in the population is visible as the  individual  age starts increasing from 65-105 years)

8 0
3 years ago
How can carbon dioxide be removed from the atmosphere​
stepan [7]

Answer:

Forests, Farms, Bio-energy with Carbon Capture and Storage (BECCS), Direct Air Capture, Seawater Capture, and Enhanced Weathering.

Explanation:

I got this information from https://www.wri.org/blog/2018/09/6-ways-remove-carbon-pollution-sky Please use to see explanations on how each of these options help remove carbon dioxide. Hope this helps!

If this is an assignment, you might want to stick to just forests and farms as they are ones that are more commonly given as student answers and will not seem as if you looked them up.

Forests are because there are trees, which naturally remove CO2. Farms are because soils naturally store carbon.

Again, please use this link for further research. This is where I got the info and hope it is helpful!

https://www.wri.org/blog/2018/09/6-ways-remove-carbon-pollution-sky

3 0
3 years ago
Read 2 more answers
Plz help!
drek231 [11]
The theory of evolution
3 0
4 years ago
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