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Rudiy27
3 years ago
8

Density = 2.7 g/cm

Biology
1 answer:
serious [3.7K]3 years ago
7 0
I think 10 grams hopefully this helped
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Scorpion4ik [409]

Answer:

The culture might not be stained properly or the culture might be too old.

Explanation:

Gram staining is done to differentiate between gram-positive and gram-negative bacteria according to the difference in their cell wall. In gram staining, the gram-positive bacteria appears violet and gram-negative bacteria appear pink in color.

Therefore if a pure culture contains have both red and purple cocci that it can be concluded that the gram stating was not done properly like too much destaining was done or too much safranin was used or maybe the culture is too old so that cell wall of some bacteria degrades.

7 0
3 years ago
What do sin mean in this picture
wel

Answer:

The sine or sin is a trigonometric function of an angle. The sine of an acute angle is defined in the context of a right triangle: for the specified angle, it is the ratio of the length of the side that is opposite that angle, to the length of the longest side of the triangle (the hypotenuse).

Hope this helps you!

Explanation:

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3 years ago
A radula is a specialized feeding organ used to scrape material off of a substrate for ingestion, much like a cheese grater scra
Sergio039 [100]

Answer:

D. mass feeder

Explanation:

A) suspension feeder

B) fluid feeder

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D) mass feeder

<em>Suspension feeder requires capturing of food that are suspended in water through the use of specialized organs.</em>

<em>Fluid feeding involves feeding on liquid (such as blood) emanating from other organisms.</em>

<em>Deposit feeding involves feeding on sediments</em>

<em>Mass feeding involves ingestion of scraps of different food materials.</em>

Hence, the correct option is D.

7 0
3 years ago
Salt dissolved in water? Physical or chemical
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ivann1987 [24]

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