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Cerrena [4.2K]
4 years ago
13

the valence of aluminum is + 3 and the valence of chlorine is -1 the formula for aluminum chloride is correctly written as

Biology
1 answer:
ser-zykov [4K]4 years ago
5 0
AlCl3. Each negative is balanced with a positive. 3 chlorine to make the -3 charge to balance the +3 charge from aluminum.
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How does phagocytosis occur in the lungs?
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Phagocytic defense in the normal lung is shared principally by two kinds of cells - alveolar macrophages that reside on the air surface and roam the alveoli and PMNs that circulate in the intravascular space or are stored transiently in areas adjacent to the capillary-alveolar interface (marginated in capillaries)

Explanation:

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8. Look at this table and answer in which level of classification are humans and ostriches still
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Organize the parts of this body system in the CORRECT order according to the levels of organization in a multicellular organism,
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I believe its C

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3 years ago
If an area is in the 50+ dBZ range, what atmospheric pressure conditions could the area be experiencing?
monitta

The atmospheric pressure conditions for a 50+ dBZ range differs from small to heavy hails.

Explanation:

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8 0
3 years ago
A transcriptional repressor that controls the transcription of gene A is not normally active unless bound by an effector molecul
iren [92.7K]

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Increase in transcription

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Transcription is the process of forming RNA from DNA. It can be controlled by many factors like a repressor. Repressor can bind to the operator region of the promoter and hinder the movement of RNA Polymerase enzyme, halting the process.

Here, it is given that the repressor needs to first bind to an effector molecule X. Once it binds to X, it is activated and then it can bind to operator of gene A to inhibit its transcription. If the X binding domain on repressor is mutated it wont be able to bind to X. Thus it wont get activated and wont be able to attach to operator region to inhibit transcription. Hence, transcription process will keep going on uncontrolled.

5 0
4 years ago
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