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cestrela7 [59]
2 years ago
8

Which organisms fix nitrogen into forms like ammonia?

Biology
2 answers:
NeX [460]2 years ago
8 0

Answer:

Bacteria

Explanation:

skelet666 [1.2K]2 years ago
5 0
The majority of nitrogen is fixed by bacteria most which are symbiotic with plants recently fixed ammonia is then converted to biologically useful forms by specialized bacteria.
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When an E. coli cell is infected by multiple phages, what route of infection (lytic or lysogenic) will the phages take? Why?
Artyom0805 [142]

Answer:

When an E.coli cell is infected by multiple phages,they will take either lytic or lysogenic pathway.

Explanation:

When lambda phage bacteriophage infects an E.coli,it can either undergo lytic cell growth and lyse the host cell or enter lysogenic pathway.

The operator region of lac operon in E.coli contain single repressor binding site whereas the lambda operators O_{L} and O_{R}  each contains 3 repressor binding sites (O_{L_1} ,    O_{L_2},O_{L_3} and O_{R_1},O_{R_2},O_{R_3})  that are differently occupied under different conditions.

The differential affinity of lambda repressor for the three binding sites in these operators play an important role in the maintenance of lysogenic state of lambda prophage in E.coli.

The lytic development occurs in cells infected with lambda phage that carry  C_1 gene.

In contrast,lysogeny will occur in bacteria that infected with lambda phage that harbor a deletion of Cro gene.

8 0
4 years ago
Robert Hooke was the first scientist to give the cell a name. Which statement is true about him?
Lunna [17]

Answer:

 B) Under a microscope he observed box-like compartments of cork tree bark.

He observed a cork under a microscope.

Explanation:

He observed a cork under a microscope.

Hope that helps

5 0
3 years ago
Read 2 more answers
Which layer of soil is the most newly formed? A. subsoil B. humus C. topsoil D. bedrock
defon

subsoil is newly formed hope this helps

3 0
3 years ago
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Whole-grain flour contains all parts of the grain with the exception of the bran. husk. germ. endosperm?
irakobra [83]
Answer;
Husk.
Whole-grain flour contains all parts of the grain with the exception of the husk.

Explanation; 
Whole grain foods contains the following parts; Bran, Endosperm and Germ, originally present before processing.
Refined grains on the other hand are mainly  composed of only endosperm portion of the grain. Milling process removes bran and some also removes germ, along with the majority of fiber, vitamins, minerals, antioxidants and phytochemicals. 
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3 years ago
2. Which one of the following is a reasonable measurement for the height of a
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The answer is (B),coconut Palm trees grow up to 30m so it’s (B)
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