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IgorC [24]
2 years ago
12

A species of snake that is found on only one small island is defined as

Biology
2 answers:
densk [106]2 years ago
8 0
Barbados threadsnake
Akimi4 [234]2 years ago
6 0

Answer: non-native

Explanation:

I had got it right on my exams.

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What is the physiological response to hypoxia?
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Grafting requires both a scion and a rootstock. true or false​
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What helps maintain global oxygen concentrations in the troposphere?
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3 years ago
In the gram stain procedure the primary stain crystal violet function toA) stain only the thinner peptidoglycan cell wallsB) sta
Andre45 [30]

Answer:

B) stain only the thicker peptidoglycan cell walls

Explanation:

Gram staining is a technique which was developed by the Hans Christian Gram in 1884 to distinguish the bacterial strains. Based on the colour absorbed and retained by the bacteria, the bacteria are distinguished either as gram-positive or gram-negative.

He used a colour stain- crystal violet which is a positive dye and binds to the cell wall made of peptidoglycan. The crystal violet binds to the cell wall with the help of a mordant called iodine. If this dye retains inside and the cell appears purple then the cell is considered gram-positive else negative.

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