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Xelga [282]
3 years ago
10

The diagram is a model of a cellular process that occurs in the nucleus. What is the purpose of the process modeled?

Biology
2 answers:
mash [69]3 years ago
7 0
He does this so he can make a new strand of DNA!

Have a good day
8090 [49]3 years ago
6 0

Answer:

To make a new strand of DNA

Hope This Helps!

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MicroRNA (miRNA) production occurs in several steps. Arrange the statements describing the production and function of miRNAs in
zmey [24]

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The miRNAs act as post-transcriptional silencers, as they are similar to specific mRNAs and regulate their stability and translation. They are small endogenous non-coding ribonucleic acid (RNA) molecules, with about 22 nucleotides, which act as regulators of gene expression in plants and animals, at the post-transcriptional level through the cleavage of a target messenger RNA (mRNA) or repression of translation.

In general, most miRNA genes are transcribed by RNA polymerase II in the nucleus in primary miRNAs (pri-miRNAs). Individually, a pri-miRNA can produce a single miRNA or contain groups of two or more miRNAs that are processed from a common primary transcript. These long pri-miRNA are cleaved by a complex comprising the double-stranded RNAse III enzyme (DROSHA) and its essential cofactor, the binding protein DGCR8 (DiGeorge Syndrome Critical Region 8 protein) in mammals. DROSHA contains two domains of RNAse III, each of which cleaves a strand of the RNA resulting in the precursor microRNA (pre-miRNA) with about 70 base pairs, which contains a double-stranded stretch and a single-stranded loop, forming a structure in clamp. The pre-miRNA is exported to the cytoplasm by the protein exportin-5 (XPO-5), where it is cleaved by DICER1, an RNAse III that assesses the 3 'and 5' ends of the pre-miRNA, generating a mature miRNA with about 22 nucleotides. The processing of pre-miRNA by Dicer promotes the unfolding of the RNA duplex in the form of a clamp. The position in the formation of the clamp can also influence the choice of tape.

Explanation:

7 0
3 years ago
Will notices that crickets seem to chirp more frequently at night in June
Lerok [7]

Answer:

As the temperature rises from 20 degrees Celsius (68 F) to 30 degrees Celsius (86 F),then the number of cricket chirps will increase.

Explanation:

it's the only one that's actually good ig

3 0
3 years ago
Multiple responses. Select all of the leukocytes that are classified as granulocytes: cytoplasmic granules and lobed nuclei.
katrin [286]

Answer:

Lymphocyte ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎

︎

︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎

︎

︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎

7 0
3 years ago
The system that controls and coordinates the body through hormones is the ________.
butalik [34]

The system that controls and coordinates the body through hormones is the <span>endocrine system.</span>

<span>Endocrine system produces hormones and then these hormones transmit the messages to various cells within the body. Hormones have great importance in our body system and even our body is functioning due to hormones.  If hormones are disturbed it can lead to many diseases.</span>

7 0
3 years ago
Which organelle is most like a factory delivery driver?
Zanzabum

Answer:

cytoplasm

Explanation:

3 0
3 years ago
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