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How is a bacteroid distinguished from a bacterial cell?

phd1100

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How is a bacteroid distinguished from a bacterial cell?

How is a bacteroid distinguished from a bacterial cell?

A) 16S rRNA gene sequencing
B) biochemical tests
C) cell morphology
D) 16S rRNA gene sequencing, biochemical tests, and cell morphology

The specificity of certain rhizobia to infect only particular plants is in part due to the

A) abundance of nutrients present in the soil.
B) nifH genes they possess.
C) rhizobial lipids that act as signaling molecules.
D) season (time of year).

The function of leghemoglobin in root nodules is to

A) bind oxygen.
B) chelate iron.
C) produce iron.
D) produce nitrogen.

Plant root nodules are

A) formed from gall-rotting bacteria that decompose plant roots.
B) harmful to plants, because the bacteria outcompete the plants for nutrients.
C) sites where nitrogen fixation occurs.
D) structures created by fungi and are found in all agricultural crops.

Most nitrogen-fixing bacteria symbiotically associated with plants are called

A) bacteroids.
B) mycorrhizae.
C) rhizobia.
D) symbiodinia.

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etienner97

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phd1100 Author

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7 years ago

Thanks

dianeflunder

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This helped my grade so much Perfect

Gorgio_De

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Thanks

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