The correct answer is D. The nucleus transcribes and releases messenger RNA signalling for the enzymes to be synthesized.
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The nucleus is the site of transcription, production of messenger RNA (mRNA). Because of that, it contains a lot of proteins that either directly are involved in transcription or are involved in regulation. mRNA is exported from the nucleus, after being post-transcriptional modified.</span>
The urinary system does all of the functions above except regulating blood volume (option B).
<h3>What is excretory system?</h3>
The excretory system is the collection of organs that work together to remove or eject material that has no further use from the body.
The urinary system is a part of the excretory system that deals with the removal of urinary waste products.
The urinary system has the following functions:
- excreting excess albumin molecules
- eliminating organic waste products
- regulating plasma concentrations of electrolytes
Therefore, the urinary system does all of the functions above except regulating blood volume.
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Answer:
Organic molecules have more chemical potential energy than inorganic molecules
Explanation:
Chemical molecules can either be organic or inorganic depending on whether they contain certain elements. Organic molecules are molecules that contain in their structure a carbon-hydrogen bond (C-H) e.g C2H4, C6H12O6 etc. while inorganic compounds do not contain the carbon and hydrogen elements bonded together e.g CO2, H2S
Considering the substances/compounds involved in photosynthesis and respiration, glucose (C6H12O6) is the only organic compound while every other compound is inorganic. However, organic compounds store more potential energy called chemical energy in its C-C or C-H bonds than inorganic molecules do.
A.
This is the highest grade of coal and requires the greatest amount of pressure and time for formation.
D. Prokaryotes do not contain organelles
