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Luden [163]
3 years ago
11

The human metallothionein IIA gene (hMTIIA) is transcriptionally regulated through the interplay of regulatory elements and tran

scription factors. What is the function of this gene, and how is it regulated by environmental circumstances?
Biology
1 answer:
forsale [732]3 years ago
5 0

Answer:

The correct answer is - regulation of the heavy metal and their toxicity.

Explanation:

Metallothionein is a group of cysteine-rich, small in size, and highly conserved proteins that bind to various metal ions and regulate their activity or toxicity in transcriptional level.

Metallothionein IIA is one of the metallothioneins that binds to heavy metal and helps cells to be protected from the toxicity of these heavy metals. These proteins are present in almost every eukaryotic organisms virtually. These proteins are highly induced to express highly in the present of heavy metals.

Thus, the correct answer is - regulation of the heavy metal and their toxicity.

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ad-work [718]

True. Some bacterial cells are resistant to a variety of antimicrobials because they actively pump the drugs out of the cell.

A significant resistance mechanism in Gram-negative bacteria is drug efflux. It expel solutes from the cell. Antimicrobials and metabolites are just a few of the hazardous compounds that Efflux pumps help bacteria remove from their interior environments so they can regulate it.

The main efflux systems in Gram-negative bacteria are members of the RND superfamily and typically consist of an outer membrane protein channel, a periplasmic protein, and a cytoplasmic membrane pump. The most common example is  MFS (such as Bmr and Blt in Bacillus subtilis) and the ABC transporters.

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4 0
2 years ago
chlorophiill splits a to water molecule replenish its last electron, resulting in hydrogen ions and.......
Sav [38]
It would result in oxygen too
3 0
3 years ago
Large molecules, such as glucose, that cannot cross the lipid bilayer can still move across the membrane through a type of passi
harkovskaia [24]
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7 0
2 years ago
2
Ostrovityanka [42]

Answer:

D

Explanation:

a statement that can be tested through a scientific investigation

4 0
2 years ago
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An instrument used for the visual examination of the ear is called a(n):
Alina [70]
The correct answer is tympanometer. A tympanometer is not used to measure hearing, but to rather measure the transmission of energy through the middle ear. In this way, tympanometry is an objective test of the function of the middle-ear. Tympanometry is used alongside other measures to asses hearing, such as pure tone audiometry.


7 0
3 years ago
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