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podryga [215]
4 years ago
9

1.Why is the coding sequence (whether DNA or RNA) at least three times as long as the protein sequence it codes for? 2.How can t

he DNA sequence be so different when the protein sequence isn’t?
Biology
1 answer:
Stells [14]4 years ago
4 0
1. Three nucleotide bases on mRNA (which are complementary to three nucleotide bases on DNA) are called codon. Each codon codes for the specific amino acid. So, for 1 amino acid in protein, there are 3 nucleotides on RNA (or DNA). That is why the coding sequence is three times as long as the <span>protein sequence it codes for.

2. There are 20 different amino acids, but there are more than 20 combinations of three nucleotide bases on DNA. There are 64 different combinations of three nucleotide bases on DNA, which is about 3 times more than the number of amino acids. So, different combinations of three nucleotide bases code for one amino acid and this is the reason why </span>the DNA sequence is so <span>different when the protein sequence isn’t</span>
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Answer:

The options are

Complex

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The Answer is Identical

Explanation:

The groups of scientists in different parts of the world who are dating fossils found in a rock layer of the same geologic time period. The findings have to have some common characteristics which links it to being in the same geologic time period.

This however validates the fossils having to be identical to match those found in other parts of the world.

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Answer:

Explain how natural resources are identified:

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Why are natural resources unevenly distributed:

The formation of these resources requires certain conditions. For example, copper ores are formed where there is volcanic activity. Iron ores were formed a long time ago when certain substances combined to form sedimentary and other types of rocks. So, iron ores could be found more often in places with environments that were just right for the formation of these rocks. Graphite forms when another type of rock, called metamorphic rock, is formed.

Explanation:

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5 0
3 years ago
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Explain the three factors used to name a cloud.
Natalija [7]

Answer:

Moisture - There must be sufficient water vapor in the air for a cloud to form. Cooling air - The air temperature must decrease enough for water vapor to condense.

Explanation:

6 0
4 years ago
4. If one individual is Tt and another individual is tt, which of the following is true?
boyakko [2]
Tt is a genotype different than tt. The first one has two different alleles (T and t) the second one has one kind of alleles (t).

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Then, there are two different genotypes and two differente phenotypes.

Answer: The two have different genotypes and different phenotypes.

 
4 0
3 years ago
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