Explanation:
pos antes vivamos sin casas sin nada
Answer:
Mantle
Explanation:
the egg would be shell:crust egg white: mantle egg yolk: core
Answer:
Carbon dioxide, water, sunlight.
Explanation:
Photosynthesis uses the energy in sunlight to drive the reactions that produce glucose. These reactions are necessary for the algae to produce food, continue to survive, and grow.
As well as sunlight, photosynthesis requires carbon dioxide and water as reactants. The reaction produces glucose and releases oxygen as a byproduct.
The algae need an adequate supply of all of these reactants to grow in abundance.
The trp operon is a group of genes that code for enzymes involved in the synthesis of tryptophan, an amino acid.
The regulation of these genes is done by two regulatory processes:
- Transcriptional attenuation
- Post-transcriptional attenuation.
Transcriptional attenuation is the process by which transcription of a gene is reduced by the binding of regulatory proteins to the DNA at or near the promoter region. Post-transcriptional attenuation is a process where degradation of RNA molecules occurs after they are transcribed from DNA, but before they are translated into protein.
<h3 /><h3>How do they modulate trp operon transcript levels?</h3>
- The trp operon is a system of genes that encode the enzymes needed to synthesize tryptophan from indole-3-glycerol phosphate.
- The transcription of these genes is controlled by a repressor protein. When tryptophan levels are high, the repressor binds to the operator and prevents transcription. When tryptophan levels are low, the repressor is not bound to the operator and transcription can proceed.
To learn more about the regulation of trp operon, visit:
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Answer:
no
Explanation:
Density (mass / volume) determines whether an object floats or sinks. If the object is less dense than the medium in which it has been submerged, it floats.