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Anna35 [415]
3 years ago
14

However, when the proteins formed by the genes have their amino acids sequenced, there is no difference observed between the two

. What is the most likely explanation for this observation?
Biology
1 answer:
Musya8 [376]3 years ago
8 0

Answer:

The correct answer is: Variation in nucleotide sequences are located in those regions of the gene which do not affect the sequence of the protein due to genetic code degeneracy.

Explanation:

  • Proteins are encoded from the genes located in the chromosomes.
  • The genes are made up of the heritable DNA (Deoxyribonucleic Acid) sequences.
  • These genes are transcribed by the enzyme called RNA polymerase into mRNA (messenger Ribonucleic Acid) sequences in the nucleus.
  • The mRNA is then translated into protein sequences by the Ribosome in the cytoplasm or the RER (Rough Endoplasmic Reticulum).
  • The Ribosome reads the mRNA code in form of triplets, that is, three consecutive nucleotide are read as a single code that encode for a single amino acid. This triplet code that responsible for coding for a single amino acid is called a Codon.
  • The Codons are degenerate in nature. This means that among the three nucleotide in a codon the first two nucleotide is specific for a particular amino acid. The third nucleotide is "wobble" in nature. This means that whatever may be the nucleotide in the third position it will not change the amino acid coded by the first two nucleotide.
  • Hence, a single amino acid is coded by more than one codon.
  • So, gene sequences showing variation in the wobble nucleotide position will encode for the same protein.
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After the food moves through the small intestine it enters the large intestine. The large intestine is named for the diameter of the cavity and not for the length. It is actually much shorter than the small intestine. The role of the large intestine is to remove any extra water from the digested material before it is finally excreted.

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3 years ago
Which best summarizes the concept of natural selection?
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If 240 mL of water is added to 13 mL of 5.0 M NaCl solution,
zavuch27 [327]

Answer:

The correct answer is 0.26 M

Explanation:

The initial concentration of NaCl solution (Ci) is 5.0 M. The initial volume of the solution (Vi) is 13 mL. The final volume is the addition of 240 mL to 13 mL (Vf= 13 mL + 240 mL= 253 mL).

In order to calculate the final concentration of the solution (Cf) we can use the following expression:

Ci x Vi= Cf x Vf

This mathematical expression is often used to calculate concentrations in dilution procedures. So, we introduce Ci, Vi an Vf in the expression and we calculate Cf:

Cf= (Ci x Vi)/Vf= (5.0 M x 13 mL)/253 mL= 0.257 M ≅ 0.26 M

8 0
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sammy [17]

Answer:

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During anaerobic respiration (respiration in the absence of oxygen), fermentation takes place to regenerate NAD+ used in the process of glycolysis.  

6 0
3 years ago
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The probability of flipping a coin twice and getting heads is_______
Free_Kalibri [48]
50/50
you see, the coin only has 2 sides
Also, you're flipping it twice
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(Hope it helped ^_^)
6 0
3 years ago
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