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Alexxandr [17]
2 years ago
14

In opsonization, antigens that are coated with antibodies are susceptible to

Biology
1 answer:
Vsevolod [243]2 years ago
4 0

<span>Out of the following given choices;</span>

A. Further antibody attack.

B. Phagocytosis

C. Helper T cells

D. B cells.

E. None of the above.

The answer is B. Phagocytises is the engulfment of a particle from the external environment, by a cell, for ingestion. This is especially critical for the function of macrophages, which are immune cells. These macrophages have receptors for the Fc region of the immunoglobulin on their cell membrane surface.

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20 points I need help ASAP!! Please someone-People inherit DNA from their parents exact copies of each parents DNA are passed on
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The most important characteristic of DNA replication is the DNA to FOLLOW THE BASE-PAIRING RULES.

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Identification of key microRNAs and the underlying molecular mechanism in spinal cord ischemia-reperfusion injury in rats
alexdok [17]

The underlying molecular processes for 19 important DE miRNAs in the etiology of SCII were confirmed. The DE miRNAs could serve as potential intervention targets for SCII. Additionally, blocking microRNAs-3568 reduced apoptosis and preserved hind limb function after SCII, possibly via modulating GATA6, GATA4, and RBPJ in SCII.

microRNAs:

  • Short non-coding RNAs called miRNAs (microRNAs) control post-transcriptional gene expression.
  • SCII (spinal cord ischemia-reperfusion damage) is a medical condition that can lead to paralysis and paraplegia, among other serious effects. The development of SCII is influenced by aberrant microRNAs expression. Different microRNAs expression results could be caused by variations in the experimenters, filtering circumstances, control choice, and sequencing platform.
  • The purpose of this study is to investigate the important differently expressed microRNAs (DE miRNAs) and the underlying molecular mechanism in SCII by methodically analyzing the available SCII microRNAs expression data. A thorough bioinformatics study of 23 representative rat SCII miRNA datasets from PubMed was carried out. On mi RDB, the target genes of important DE miRNAs were predicted.
  • Functional enrichment and transcription factor binding analyses using the DAVID and T Fact S databases. Nine were increased (miR-144-3p, miR-3568, miR-204, miR-30c, miR-34c-3p, miR-155-3p, miR-200b, miR-463, and miR-760-5p) and ten were downregulated (this study found 19 important DE miRNAs involved in SCII) (miR-28-5p, miR-21-5p, miR-702-3p, miR-291a-3p, miR-199a-3p, miR-352, miR-743b-3p, miR-125b-2-3p, miR-129-1-3p, and miR-136).Target genes of the increased DE miRNAs underwent KEGG enrichment analysis, which identified the pathways primarily involved as being the cGMP-PKG and cAMP signaling pathways. According to KEGG enrichment analysis of the downregulated DE miRNAs' target genes, the main signaling pathways involved were the Chemokine and MAPK signaling pathways. The target genes of the increased DE miRNAs were clearly enriched in biological processes such brain development and the positive control of transcription from RNA polymerase II promoter, according to GO enrichment analysis.
  • The majority of the target genes of the downregulated DE miRNAs were enriched in biological processes such intracellular signal transmission and the inhibition of cell growth. The transcription factor study revealed that the four transcription factors, SP1, GLI1, GLI2, and FOXO3, had significant regulatory effects on the main DE miRNAs' target genes. MiR-3568 stood out among the elevated DE miRNAs as being particularly intriguing. SCII results in significant neurological deficiencies in the lower extremities, but miR-3568 anti-miRNA oligonucleotides (AMOs) enhance neurological performance. When compared to the sham group, cleaved caspase-3 and Bax were significantly elevated in SCII, however the overexpression was inhibited by miR-3568 AMO. In contrast to cleaved caspase-3, Bcl-2 expression levels exhibited a pattern. Following the attenuation of this increase by SCII and microRNAs-3568 AMO, the expression of GATA6, GATA4, and RBPJ reduced.

Learn more about microRNAs here brainly.com/question/14979443

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8 0
2 years ago
What is the texture of an igneous grains
aleksandrvk [35]
The texture will be rough
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2 years ago
The energy within an ecosystem flows from the producers to the consumers. However, a very important group of heterotrophs are de
Kaylis [27]

They break down organic matter into nutrients for other organisms.

<h3><u>What is the role of decomposers in ecosystem?</u></h3>

Saprophytes like fungus and bacteria are decomposers. They rely entirely on the dead and decomposing organic debris to survive. Decomposers are crucial to the ecology because they assist in recycling nutrients so that plants may utilise them again.

The function of a decomposer in the ecosystem is as follows:

  • By disintegrating dead plants and animals, they first serve as a purifying force for the environment.
  • They aid in the nutrient recycling.
  • By allowing the dead to decay, they provide room in the biosphere for new life.
  • For the benefit of reuse by producers like crop plants, they assist in reintroducing the various elements to water, soil, and air.

To view more questions about ecosystem, refer to:

brainly.com/question/896544

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8 0
1 year ago
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