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3 years ago

Here’s another science question;( one more after this !

Chemistry

1 answer:

Lesechka [4]3 years ago

4 0

Answer:

2 CuI + K2CO3 → Cu2O + 2 KI + CO2

Explanation:

Reactants:

CuI – Copper(I) iodide source: wikipedia, accessed: 2019-09-27

Other names: Cuprous iodide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02

Appearance: White powder | when impure: tan or brownish source: wikipedia, accessed: 2019-09-27

K2CO3 – Potassium carbonate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02

Other names: Carbonate of potash source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Dipotassium carbonate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Sub-carbonate of potash source: wikipedia, accessed: 2019-09-27

Appearance: White, hygroscopic solid source: wikipedia, accessed: 2019-09-27; Colourless hygroscopic crystals or hygroscopic white powder source: ICSC, accessed: 2019-09-04

Products:

Cu2O – Copper(I) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02

Other names: Cuprous oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Dicopper oxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Cuprite source: wikipedia, accessed: 2019-09-27

Appearance: Brownish-red solid source: wikipedia, accessed: 2019-09-27; Yellow, red or brown crystalline powder source: ICSC, accessed: 2019-09-04

Names: Potassium iodide source: wikidata, accessed: 2019-09-02, KI source: wikidata, accessed: 2019-09-02, Thyrosafe source: wikidata, accessed: 2019-09-02

CO2

Names: Carbon dioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, {{plainlist| source: wikipedia, accessed: 2019-09-27, CO2 source: wikidata, accessed: 2019-09-02

Appearance: Colorless gas source: wikipedia, accessed: 2019-09-27; Odourless colourless compressed liquefied gas source: ICSC, accessed: 2019-09-04; Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas. Solid form is utilized as dry ice.] source: NIOSH NPG, accessed: 2019-09-02

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Based on the role of ubiquitin in protein deconstruction as stated in the passage, the correct options are as follows:

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Phrases refers to a group of words which contains a verb but which on their own do not make complete sense.

In the description of the role of Ubiquitin, it is described as a small polypeptide chain containing 76 amino acids. The main tole of ubiquitin is to tag proteins for deconstruction in the proteasomes.

Therefore, the phrase describes the purpose of ubiquitin is to tag waste proteins for recycling in the proteasomes; option A.

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