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Triss [41]
3 years ago
13

Why is carbon important to organisms

Biology
1 answer:
solong [7]3 years ago
4 0
In order to live,grow,and reproduce.
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The form of circulatory shock known as hypovolemic shock is ________.
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The shock from loss of blood volume which is large-scale, or shock after sever vomiting or diarrhea. 
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3 years ago
The _____ sends out an electrical impulse that regulates the heartbeat.
olga nikolaevna [1]

Answer: The SA node

Answer choices are:

<span>A.      </span>The AV node

<span>B.      </span>The SA node

<span>C.      </span>The purkinje fibers

<span>D.     </span>The AV bundle

The SA node<span> is the heart's natural pacemaker consisting of a cluster of cells located in the upper part of the wall of the right atrium. (the right upper chamber of the heart). The electrical impulses are produced and sent out from there to regulate heartbeat. This is also called the sinus code.  </span>

3 0
3 years ago
Read 2 more answers
We use many types of natural resources for energy. Identify each type of natural resource as renewable or nonrenewable.
Fed [463]

Answer:

Renewable resource: Sunlight, water, wind,

Norenewable: coal, natural gas, oil

Explanation:

Hope this helps

7 0
3 years ago
1. What are 3 differences between prokaryotes &amp; eukaryotes?<br>Prokaryotes I Eukaryotes​
bazaltina [42]
Prokaryotes- lack a cell nucleus, unicellular, in the bacteria and archaea domain, lack mitochondria and chloroplast, microscopic

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Cancer cells are rogue clones. List and describe three mutations that allow these cells to escape the normal restrictions placed
Amanda [17]
<span>Cells control cell division in order to maintain normal cell function. If something happens to the control of the cell division, the healthy cells will divide uncontrollably. These new cells are cancer cells. </span>
The mutations in three genes are responsible for development of cancers:
1. Mutation in proto-oncogenes. Proto-oncogenes normally signal cells to grow and differentiate. Proto-oncogenes can become oncogenes due to mutations which result in the uncontrollable division of the cells.
2. Mutation in tumor suppressor genes. In normal cells, tumor suppressor genes suppress genes essential for cell cycle and that way they prevent uncontrollable cell division. However, after a mutation in these genes, suppression is lost and the cell may progress to cancer.
3. Mutation in stability genes. In normal cells, they have no role either in cell death or growth, but they control mutation rate. Mutation in stability genes results in situation where all genes, including proto-oncogenes and tumor suppression genes, are more frequently mutated.
6 0
3 years ago
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