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jekas [21]
3 years ago
14

You are studying the amino acid sequence of a protein shared by four organisms. You want to know which organism is most closely

related to organism A. You have data that shows the number of amino acid differences between organism A and each of the other organisms. Study the data in the chart and use it to answer the question.
Which organism does this data suggest is most closely related to organism A?
A. Organism A
B. Organism B
C. Organism C
D. Organism D
Biology
1 answer:
yawa3891 [41]3 years ago
7 0

Question

I found the chart from another source and it contains the following information:

Number of differences in amino acid sequence from Organism A

  • Organism B - 3
  • Organism C - 5
  • Organism D - 1

Answer:

D

Explanation:

Closely related proteins will have DNA sequences more similar to one another than less related organisms. DNA sequences determine amino acid sequences, therefore any changes in DNA sequence is reflected in the amino acid sequence.

Organism D has the least changes in amino acid sequence in this protein compared to A, suggesting it is most closely related.

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bagirrra123 [75]

The correct answer is rapids and waterfalls.  

Rapids refers to the segments of streams with extensively vigorous currents, various obstacles, and steps in their streambeds. A waterfall refers to a vertical drop in a stream bed. Both are the locations of vigorous erosion.  

The rapids are generally produced where the resilient bedrock limits a stream to a narrow channel and forces an enhancement in the velocity of water.  

On the other hand, waterfalls are produced where the fast-flowing water negotiates a geologic contact amid the more resilient and less resistant layers of rock, or through a fault, which has analogized distinct kinds of rocks. Or it can be said that waterfalls usually produce at the end of a series of rapids.  


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3 years ago
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In guinea pigs, the allele for black fur (B) is dominant over the allele for brown (b) fur. A black guinea pig is crossed with a
alex41 [277]

Answer:

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  • G2: Two copies of the B allele per cell
  • metaphase of mitosis: Two copies of the B allele per cell
  • metaphase I of meiosis: Two copies of the B allele per cell
  • metaphase II of meiosis: One copy of the B allele per cell
  • second cytokinesis following meiosis: One copy of the B allele in only two of the four daughter cells.

Explanation:  

Due to technical problems, you will find the complete explanation in the attached files

Download pdf
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1. Oxygen molecules taken in per breath:
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Explanation:

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