Answer:
Bacteria play a central role
Explanation:
Nitrogen-fixing bacteria, which convert atmospheric nitrogen to nitrates. Bacteria of decay, which convert decaying nitrogen waste to ammonia. Nitrifying bacteria, which convert ammonia to nitrates/nitrites.
Answer:
b. a capsule
Explanation:
The capsule is mainly made up of polysaccharides and surrounds many bacteria. Capsule staining includes mixing of the bacterial cells with dye and spread out in a thin film on a slide. After air-drying, the cells appear as light-colored structures present in a relatively dark blue-black background. This occurs since the dye particles cannot penetrate either the cell or its capsule. Therefore, the given slide with a colorless ring around the cells in a dark background represents the presence of a capsule around the observed cells.
A transverse wave is when the vibration direction is perpendicular to the motion of the wave. For example, it's like a plucked guitar string.
Hello, NicopiahzDani.
Red or coralline algae are the algae that are responsible for building coral reefs.
Answer: Red
Hope this helps :)
Answer:
By breathing cleaner air you can reduce the risk of stroke, heart disease, lung cancer and respiratory diseases such as asthma.
Explanation:
(I hope it's helpful)
