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Leya [2.2K]
3 years ago
7

Which organisms play a key role in fixing nitrogen from the air into nitrates available for plants?

Biology
1 answer:
Westkost [7]3 years ago
7 0
Bacteria! Bacteria! Bacteria! :)
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Consider a culture medium on which only gram-positive organisms such as Staphylococcus aureus colonies can grow due to an elevat
riadik2000 [5.3K]

Answer:

selective and differential medium .

Explanation:

Based on the information provided within the question it seems that this type of medium would be referred to as a selective and differential medium . This is because such high NaCL levels are designed to stimulate and allow selective bacteria to grow, while also differential media because the fermented sugar is giving off a yellow halo which allows for the differentiate between the bacteria.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

7 0
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Can a mutation in any cell of an organism can be passed on to offspring of the organism
kozerog [31]
Yes it can (I have to type 20 characters)
8 0
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What important theory is based on the observations of Hooke and van Leeuwenhoek, documenting the existence of microscopic cells?
Serhud [2]

The microscopic observations of cells form the basis of the cell theory and the idea that all living things are composed of cells; cells are the structural and functional unit of living things.

3 0
3 years ago
How do mitochondria contribute to the function of the cell?​
Ilia_Sergeevich [38]
They convert glucose into usable energy.
7 0
3 years ago
Represents the presence of the<br> rhesus protein on blood.
Roman55 [17]

AlohaS4

Answer & Explanation:

( Rh Factor ) represents the presence of the Rhesus protein in the blood.

( Rh+ ) blood contains the rhesus protein.

( Rh- ) blood does not contain the rhesus protein.

( Type O ) blood is the universal donor.

( Type AB ) blood is the universal recipient.

( Rh+ ) blood can receive Rh+ or Rh- blood.

( Rh- ) blood can receive Rh- blood.

Hope you found this helpful! <3

<em>~Aloha</em>

<em />

<em>Btw: This contains the full Edge question. So, if you're using Edge, just click "done" for each part of the question and answer it. :)</em>

6 0
3 years ago
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