Answer:
Cosmology is study of the origin and evolution of the universe. Currently, cosmologists expect the universe to continue expanding indefinitely and probably heating up. The expansion is speeding up. Also, it is expected that entropy will increase leaving no free energy in the Universe.
Answer:
Fnet=F1+F2-F3=40+20-30=60-30=30N
F=ma
30N=30a
a=30/30
a=1m/s^2
Believe me , biology is another thing.
Nitrogen-fixing bacteria are found in root nodules of legumes and convert nitrogen to ammonium and organic substances.
They are released during breakdown and converted to nitrates.
<h3>
How does nitrogen fixing bacteria produce ammonia?</h3>
Lightning produces only a trace quantity of ammonia. Some ammonia is also manufactured industrially by the Haber-Bosch process, which employs an iron-based catalyst, extremely high pressures, and quite high temperatures. However, bacteria in the nitrogen fixation process convert the majority of N2 into ammonia and ultimately into proteins.
Prokaryotes are all nitrogen-fixing organisms. Some of them, known as free-living nitrogen-fixing bacteria, exist independently of other species.
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When the Bicoid protein is expressed in Drosophila, divisions between cells in the embryo are not yet fully developed. This helps to explain that (B) Bicoid protein diffuses throughout the embryo in a concentration gradient.
Bicoid protein acts as a morphogen. This means it shows its effect when the concentration gradient is high. Also abbreviated as Bcd, the protein helps in establishing the anterior and posterior region of the Drosophila. It also represses the translation of caudal mRNA.
Embryo is the initial stage of a microorganism, right after the fertilization. In vertebrates, this stage does not last much longer because the development of organs begins.
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