1) Complete the following sentences: eukaryotes, exons, transcription, cap, ribo
ID: 96407 • Letter: 1
Question
1) Complete the following sentences: eukaryotes, exons, transcription, cap, ribosomal RNA, translation, cytoplasm, messenger RNA, nucleous, introns, poly-A, prokaryotes, RNA polymerase, RNA nucleotides.
Transcription begins in the ____________ when ____________ unzips a DNA molecule.
____________ align themselves to complementary base pairs and in this manner, ____________ is formed.
In ____________ , ____________ must be processed before it leaves the ____________ .
One end is modified with the addition of a ____________ and the other end is modified with the addition of a ____________ tail.
Some sections called ____________ are edited out, leaving only ____________ remaining.
Then, the ____________ leaves the ____________ and enters the ____________ where it awaits the process of ____________ .
2) Complete the following sentences: early, DNA and RNA, nitrogenous bases, phosphate groups, genetic code, amino acids, late, 20, transcribed, 64, codons
Information within ____________ is contained within the sequence of the ____________ .
When DNA is ____________ into mRNA, sets of three nucleotides, also called ____________ , code for specific ____________ .
There are ____________ different ____________ that can combine to form the countless proteins needed by living organisms.
Almost all organisms use this ____________ , suggesting an ____________ evolutionary origin.
Explanation / Answer
Transcription begins in the nucleolus when RNA polymerase unzips a DNA molecule.
RNA nucleotides align themselves to complementary base pairs and in this manner, messenger RNA is formed.
In eukaryotes , messenger RNA must be processed before it leaves the nucleolus.
One end is modified with the addition of a cap and the other end is modified with the addition of a poly A tail.
Some sections called introns are edited out, leaving only exons remaining.
Then, the messenger RNA leaves the nucleolus and enters the cytoplasm where it awaits the process of translation.
2) Information within DNA is contained within the sequence of the nitrogenous bases.
When DNA is transcribed into mRNA, sets of three nucleotides, also called codons, code for specific aminoacids.
There are 20 different aminoacids that can combine to form the countless proteins needed by living organisms.
Almost all organisms use this genetic code , suggesting an early evolutionary origin.
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