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Nutka1998 [239]
3 years ago
13

RRNA _____.

Biology
2 answers:
Elenna [48]3 years ago
3 0
The first answer is correct. rRNA makes up ribosomes along with other protiens. rRNA stands for ribosomal ribonucleic acid
Marizza181 [45]3 years ago
3 0

rRNA stands for Ribosomal RNA. rRNA is part of the ribosomes that manufacture polypeptides. Correct answer: A

These molecules form extensive secondary structures and play an active role in recognizing conserved portions of mRNAs and tRNAs and  also assist with the catalysis of protein synthesis.

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How can you indentify the difference between a chemical and physical change and what are signs that a chemical change has occurr
photoshop1234 [79]

Answer:

Explanation:

The formation of a gas is a clue to chemical changes. The bubbles of gas that you observed form when an antacid is dropped into water is an example of change. ... After ice melts into liquid water, you can refreeze it into solid ice if the temperature drops. Freezing and melting are physical changes.

4 0
2 years ago
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The fossils of human ancestors show and increase in complexity as we move forward in the geological time scale. What does this c
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8 0
3 years ago
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during photosynthesis in Plants what is the source of carbon in the sugar molecule ( sorry know answer didn't know it was record
rosijanka [135]
Chlorophyll is the source of carbon in the sugar molecule 

4 0
3 years ago
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A grass snake living in northern England dies of natural causes. After a long period of time, its remains decay in the soil to b
Lubov Fominskaja [6]

Answer: C.  Dead snake fossilizing underground.

A fossil fuel is the fuel that is formed by natural processes, such as anaerobic decomposition of dead plants and animals underground. These organisms and their remains remain deep inside the depth of numerous layers of soil resulting in fuel produced after millions of years. A carbon sink refers to a natural or artificial reservoir that stores and absorbs atmospheric carbon by physical and biological process. The formation of fossil fuel inside the earth is carbon sink.  

Dead snake will be added as a matter on which biological activity called as decomposition will take place. The organic matter of dead snake will be decomposed by microbes in the soil. The organic matter being the source of carbon, after decomposition will become the reservoir of carbon in the form of fossil fuel.

Therefore, dead snake fossilizing underground is the example of carbon source becoming a carbon sink.

4 0
3 years ago
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