Answer:
Calvin cycle is your answer.
Explanation:
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Answer:
This process is known as evidence-based argumentation. The figure below explains the three components of a scientific argument - the claim (or the explanation), the evidence (or the observations), and the rationale (or the reasoning). Reasoning that explains the evidence and why it supports the claim
Explanation:
 
        
             
        
        
        
RNA molecules attach to codons when the ribosome reaches the start codon.
Explanation:
The start codon initiates translation of the mRNA by the ribosome into a polypeptide. When the ribosome finds the start codon, it attaches to the mRNA and the first amino acid, methionine, is recruited. The ribosome then continues translating the rest of the mRNA until it encounters a stop codon that initiates the ‘knocking off of the ribosome from the mRNA. 
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For more on translation check out;
brainly.com/question/2273699
brainly.com/question/13572447
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It's controversial because the best source of stem cells is a human embryo (an aborted fetus).