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Nutka1998 [239]
3 years ago
14

What nucleic acids are only in DNA

Biology
1 answer:
Karo-lina-s [1.5K]3 years ago
8 0

adenine, cytosine, and guanine

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Write a hypothesis about the effect of the red light on the population of light red walking beans. Use the "if . . . then . . .
PtichkaEL [24]
If red light is shined on a population of red walking beans then they would not be as red as when started because they need light to survive and red light is present but they reflect it until they need it to survive.

Mutations that naturally occur can change phenotype and if it is beneficial to the species then it will be past on if it is no then it will die before passing it on.
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3 years ago
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does the presence of introns exons in eukaroytic cells provide more potentia diversity in gene products than is possible in pork
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Answer: Yes. Splicing can be done in different ways to yield different mRNAs wich will create different proteins. Prokaryotes are not able to do this.

Explanation:

DNA (deoxyribonucleic acid) is a molecule that contains the genetic information for synthesizing amino acids that form proteins. To do this, DNA must first be transcribed into RNA (ribonucleic acid) and this is the molecule used for protein synthesis (translation). The newly transcribed RNA (called primary messenger RNA) from DNA results in a very long molecule and also has regions that do not code for anything, called introns, which are removed by a process called splicing. Exons are segments in the RNA that do code for amino acids and remain in the mature mRNA after splicing.

<u>Splicing is a process by which introns are cleaved from the primary messenger RNA and exons are joined to generate mature messenger RNA.</u> In addition, alternative splicing occurs which allows different mRNA isoforms and thus different proteins to be obtained from a primary mRNA transcript. This is because the exons will be joined or spliced in different ways, giving rise to different mature messenger RNA sequences. This process occurs mainly in eukaryotes, although it can also be observed in viruses. But it does not take place in Prokaryotes (Bacteria).

In summary, exons/introns can be spliced together in different ways to yield different mRNAs sequences. Each different mRNA sequence will code for a different protein.

6 0
2 years ago
Which of these is an environmental change that occurs rapidly?
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because it would destroy an environment very very rapidly for anything in its path
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Negative growth rate is when a population's average number of deaths is greater than its average number of births. Zero growth rate is when the average number of deaths equals the average number of births.

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1. Normal cells and cancer cells differ in several
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Mitosis Shape Change and stuff

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