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sineoko [7]
2 years ago
15

What is connected to the rough ER and the smooth ER

Biology
2 answers:
Nana76 [90]2 years ago
4 0
Well the nucleus is connected to the rough er
Lubov Fominskaja [6]2 years ago
4 0
Well ribosomes are connected to the rough endoplasmic recticulum but however they aren't on the smooth endoplasmic recticulum (hence the "smooth")
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Calculate the minimum number of nucleotides required in the coding region of the LDS2B mRNA molecule to produce and terminate th
Alexandra [31]

1698 is the minimum number of nucleotides required in the coding region of the LDS2B mRNA molecule to produce and terminate the 565-amino acid polypeptide.

TWO reasons why the number of nucleotides in the mature RNA may differ from the number of base pairs in the gene are:

i) because gene contains non coding sequence also called as introns +exons while mature mRNA contains only exons.

ii) genes have promoter region while mature mRNA does not have so.

Explanation:

The minimum number of nucleotides in the coding region of a mRNA sequence or molecule is number of amino acids multiplied by three. There are triplet codon or 3 nucleotides which code for an amino acid.

number of nucleotides = number of amino acids x 3

number of nucleotides = 565 x 3

number of nucleotides= 1695 nucleotides

The stop codon would also be added as it is a part of mature RNA so

1695 + 3 = 1698

The coding region or exons carry only the nucleotides which code for amino acid polypeptide chain.

The two reasons why number of nucleotides in mature RNA and gene is different:

1) Because the gene carries both introns (non-coding regions) and exons (coding region) and mature mRNA after spicing removes the introns and has only exons which are read by the tRNA to carry amino acids in translation.

2) Genes consist of promoter region which are not transcribed hence not transferred to mRNA. Although mRNA is transcribed using the promoter region.

7 0
3 years ago
Witch of the following provides the best analogy for an election in an atomic orbital.
kondor19780726 [428]
I would say the best analogy for an election in an atomic orbital would be option C) an ant drawing on the surface of a leaf.
Hope this helps!
6 0
3 years ago
Read 2 more answers
WILL MAKE BRAINLIEST
Vlad [161]
1. T
2. <span>unwind the DNA double helix during transcription
3. ribosomes
4. transcription 
5. replication</span>
8 0
3 years ago
Which biome would contain the most trees?
ioda
The answer is Taiga
Hope this helps:D
Have a great rest of a brainly day! (pls mark me brainliest)
9 0
2 years ago
What are the values in biological education ​
Scorpion4ik [409]

Answer:

Education has the greatest value. All those activities that are good, useful and valuable from educational point of view are considered as educational values. Ruskin, “Education does not mean teaching people to know that they do not know, it means teaching them to behave as they do not behave”.

Explanation:

6 0
3 years ago
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