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lorasvet [3.4K]
3 years ago
13

Carbon dixode is returned to the atmosphere primarly by the

Biology
2 answers:
Irina-Kira [14]3 years ago
6 0
<span>Carbon dioxide is returned to the atmosphere primarily by the organisms who perform Cellular Respiration (i.e., every animals etc)

Hope this helps!</span>
Softa [21]3 years ago
4 0
Heterotrophic organisms normally. industry - abnormally ;)
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Record your hypothesis about what will happen when biuret solution is mixed with the solutions from test tubes 1, 2, 3, and 4 he
NikAS [45]

Hypothesis

                  Suppose we have four test tube each test tube is filled with solution extracted from different sources. Test tube 1 contain solution extracted from sugar cane, Test tube 2 contain solution extracted from green leaves, Test tube 3 contain solution extracted from seeds, and Test tube 4 contain egg white an albumin protein.

objectives

                 To find out which solution will react with biuret solution .


Materials and method

                 To prepare biuret solution, mix potassium sodium tartarate with cupric sulfate and sodium hydroxide. A blue solution will be formed.  


Experiment

                      Pour a small amount of biuret solution in each test tube and heat them until precipitation is formed.


Results

             After analyzing the experiment, it was found that no color changed in first three test tubes except the fourth one in which the color was changed from blue to pink-purple.


Discussion

                   It was deduced from results that appearance of pink-purple color indicate the presence of peptide bonds (proteins)


Conclusion

                 Biuret test is used for the confirmation of proteins in any food sample.


8 0
4 years ago
Silicate minerals contain the elements silicon and oxygen. what contains only silicate materials
HACTEHA [7]
Silicates<span> are </span>minerals<span> that </span>contain silicon<span> atoms bonded to </span>oxygen<span> atoms. The basic building block for all </span>silicate minerals<span> is called a tetrahedron, where one</span>silicon<span> atom is bonded to 4 </span>oxygen<span> atoms. </span>Silicate minerals<span> also often </span>contain<span> other </span>elements<span>, such as calcium, iron, and magnesium.</span>
6 0
3 years ago
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The nucleus of an atom is comprised of
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The nucleus of atoms are comprised of protons and neutrons.
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4 years ago
Treatment for pedro included the surgical suturing of the divided ends of a tendon. the medical term for this procedure is
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Tenorrhaphy is the answer to your question!

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4 years ago
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Which organ systems function as control systems, communicating with other cells/organs to regulate their activities?.
mariarad [96]

The Nervous System and Endocrine Systems are the two systems which are responsible for controlling the whole body of an organism.

<h3>Which organ systems function as control systems, communicating with other cells/organs to regulate their activities?</h3>

The nervous system is the system which controls the system, major controlling, regulatory, and communicating system in the body. The nervous system is the center of all mental activity including learning, memory and thought. Together with the endocrine system, the nervous system is responsible for regulating and maintaining the homeostasis which helps to maintain the internal environment.

So we can conclude that the Nervous System and Endocrine Systems are the two systems which are responsible for controlling the whole body of an organism.

Learn more about Cells here: brainly.com/question/1399230

#SPJ1

5 0
2 years ago
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