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Nostrana [21]
2 years ago
8

A group of unicellular organisms that live together but have on relationship to one another

Biology
1 answer:
Natalka [10]2 years ago
5 0
Colonial species are together
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A bacterial cell that contains an outer membrane and periplasmic space stains pink to red on Gram stain. Which one of the follow
anastassius [24]

Answer:

a. No discrepancy is present; organisms that contain an outer membrane and periplasmic space should stain pink because of their cell wall composition.

Explanation:

Gram stain is the staining method used to differentiate bacterial species into two groups, gram-positive and gram-negative bacteria. Factors that will differentiate gram-positive from gram-negative include the coloration of bacteria, the composition and chemical and physical properties of cell walls. In these tests, bacteria that have an outer membrane and a periplasmic space are considered gram negative and pink in color (sometimes similar to red) due to their cellular composition. For this reason we can state that there is no discrepancy present in the bacteria exposed in the question; Because this bacterium has an outer membrane and a periplasmic space, then it is normal for the bacteria to turn pink due to its cell wall composition.

6 0
3 years ago
Does arborist care for forests?
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An arborist is a specialist in the care of individual trees. Arborists are knowledgeable about the needs of trees and are trained and equipped to provide proper care. does that help?

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3 years ago
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A 2-month-old infant experiencing severe diarrhea is prescribed intravenous fluid replacement. before adding potassium to this s
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The nurse should check if the 2 - month old infant has voided.

This should be done because kidney function may fail with diarrhea. So, it is important to check if the kidney functions properly before adding potassium (to prevent hyperkalemia).


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3 years ago
What type of bond holds the base pairs together?
DanielleElmas [232]

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hydrogen bonds

Explanation:

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The desert sand dunes seen here are created through the processes of ___________ and ____________. A) wind and water. B) erosion
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Answer:

C) Weathering and erosion

Explanation:

The completed sentence will be as follows -

The deserts and dunes seen here are created through the process of Weathering and Erosion.

Weathering is defined as the process of breakdown of rocks, soil and minerals into small particles under the influence of atmosphere, water and also biological organisms to some extent. The products of weathering are found at same place as the original rock with little or no movement.

In erosion, the materials such as rocks and soil or dissolved materials are transported from one place to the another place by the action of wind or water flow. So, here displacement of substances takes place.

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