Question

select the correct answer from each drop-down menu.

nitrogen is one of the important elements for life. nitrogen is present in dna and proteins. its also a component of chlorophyll in plants, a pigment thats critical for photosynthesis. although nitrogen is present in the air, it cant be consumed directly. its converted into usable form by choose an answer.

options for the second drop-down:
bacteria
animals
plants

Explanation:

Identify the first blank

Using the Chlorophyll Structure knowledge point

$$ \text{Chlorophyll molecule contains a porphyrin ring with a central magnesium atom coordinated to four nitrogen atoms.} $$

Identify the second blank

Using the Nitrogen Fixation knowledge point

$$ \text{Atmospheric nitrogen } (\text{N}_2) \text{ is converted into usable forms like ammonia } (\text{NH}_3) \text{ by nitrogen-fixing bacteria.} $$

Answer:

Select the correct answer from each drop-down menu.

Nitrogen is one of the important elements for life. Nitrogen is present in DNA and proteins. It's also a component of <blank>chlorophyll</blank> in plants, a pigment that's critical for photosynthesis. Although nitrogen is present in the air, it can't be consumed directly. It's converted into usable form by <blank>bacteria</blank>.