Nitrogen-fixing bacteria in the soil and within the root nodules of some plants convert nitrogen gas in the atmosphere to ammonia. Nitrifying bacteria convert ammonia to nitrites or nitrates. Ammonia, nitrites, and nitrates are all fixed nitrogen and can be absorbed by plants.
Stripes, and are heterozygous for both GloYFP and gol. (Fig. 3). The progeny phenotype ratios are approximately 3:1 yellow:gray and 1:1 striped: nonstriped ...
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The answear is a a single cell getting larger
A body cavity<span> is any fluid-filled space in a multi-cellular organism other than those of vessels (such as blood vessels and lymph vessels). The human </span>body cavity<span> normally refers to the ventral </span>body cavity<span>, because it is by far the largest.</span>
The up and down arrows you carved into the spinal cord are meant to represent the movement of different nerve signals. These signals, which are slso called action potential, are coordinated movements of sodium and potassium ions that are psocessed across the nerve cell membranes