2 years ago

Please help its earth science

1 answer:

7 0

should be 4000.......

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Mila [183]

A leech is an example of a parasite

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stepladder [879]

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You could have created a mutation in the DNA strand that changed the color or you didn't copy the DNA verbatim.

Explanation:

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Alenkasestr [34]

Answer:

The P+ culture contains inserted DNA plasmid while P- culture does not contain DNA plasmid.
The purpose of P- bacteria culture is to take it as plasmid control.

Explanation:

There are two groups of bacteria using in the lab; one is control group and second is treatment group. Control group is denoted as P- group while treatment group is denoted as P+ group.
To differentiate between these two group we used the culture medium called Luria Broth with addition of an antibiotic ampicillin and the sugar arabinose.
The control group (P-) does not have plasmid stay same throughout the process because of absent of sugar arabinose.
The treatment group (P+) having plasmid show more growth due to arabinose.

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3 years ago

Naya [18.7K]

Answer:

Gills, Scales, swim bladder, and backbone.

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lubasha [3.4K]

The Bunsen Burner is affected by the air supply given to the burner, you can regulate this with how far the air hole is open. Hope this helps.

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3 years ago