The correct answer is: c. An operon is a region of DNA that codes for a series of functionally related genes under the control of the same promoter.
Operons contain cluster of genes that are transcribed together into mRNA or are not expressed at all. Formed mRNA undergos splicing to create monocistronic mRNAs so that can be translated separately. Operons are more often found in prokaryotic cells but it can appear in eukaryotic cells and in viruses.
Neither, it says the answer is STOMATA
Answer: It should be Geothermal.
The avantages of geothermal energy are;
1. It is a Renewable and reliable source of energy.
2. It is a clean source of energy and it is sustainable.
3. It has little or no cost of maintenance and operations.
Disadvantages are;
1. It can cause environmental pollution. High concentration of of geothermal can lead green houses gases affecting the atmosphere.
2. It can lead to earthquakes.
3. The geothermal powerplants or cooling system are expensive to maintain and purchase.
Explanation:
Geothermal energy is the heat energy that is gotten from the sun surface of the Earth. It is found in the rock and fluid in the Earth crust.
