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Vsevolod [243]
3 years ago
9

What is an example of a negative stain?​

Biology
2 answers:
muminat3 years ago
6 0

Answer:

dyes used in negative staining have an. acidic chromagen (negatively charged chromophore) Examples of negative stains. NIgrosin and eosin. heat fixing smears can.

Archy [21]3 years ago
4 0
“negative stains have a negatively charged chromophores and are repelled by negatively charged bacterial cells. what is an example of a negative stain? nigrosin and india ink.” I hope this helps
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9. A county has recently evolved from underdeveloped to developed and the birth and death rate have stabilized. This is known as
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3 years ago
In prokaryotes, how does the length of a typical monocistronic mRNA compare to the length of the protein generated from this mRN
Nastasia [14]

1. The correct answer is: a. There are more mRNA bases than amino acids.

The transcription of monocistronic mRNA in prokaryotes is a rare process (it is more characteristic for the eukaryotes). Monocistronic mRNA is RNA, which encodes for only one or specific protein. Three bases of mRNA encode one amino acid of protein, thus it has more bases than amino acids of the final product, protein.  

2. The correct statements are:  

The mRNA contains 5' and 3' untranslated regions.

The stop codon does not code for an amino acid.

The start site of transcription is upstream of the start codon.

Each codon contains 3 RNA bases.

All of these approve that more bases are in mRNA since not all of them are translated into amin oacids.

Other statements are hallmarks of eukaryotic RNA processing, and therefore not relevant to prokaryotes.

5 0
3 years ago
Give an example of an amimal that can be both predator and prey.Explain how this works
Vsevolod [243]
It can be a predetor to some animal, yet be a prey of another

example

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5 0
3 years ago
Read 2 more answers
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