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kifflom [539]
3 years ago
11

I really need help on the evolution quiz ​

Biology
1 answer:
bonufazy [111]3 years ago
3 0

Answer:

c

Explanation:

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A certain bacterial mRNA is known to represent only one gene and to contain about
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Answer:

C) 30,000

Explanation:

According to the given information, the bacterial mRNA consists of about 800 nucleotides. Three consecutive nucleotides together make one genetic codon which in turn codes for one specific amino acid in the protein encoded by this mRNA.  

So, an mRNA with 800 nucleotides will have total 800/3 = 266.67 or 266 genetic codes. The protein encoded by this mRNA would have a total of 266 amino acids.  

Given that one amino acid imparts 110 units to the molecular weight of the protein, the protein with 266 amino acids have the molecular weight= 266 x 110 = 29260, that is about 30,000.  

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the river below has become two feet wider in the past ten years. which factors may have caused this change
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In humans, the excretory system is responsible for removing waste from the body. Metabolic waste is being removed from the blood and an appropriate amount of water nutrients and water and salt are being retained.
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