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marshall27 [118]
3 years ago
12

A human impact on the nitrogen cycle, such as fertilizer

Biology
1 answer:
statuscvo [17]3 years ago
4 0
When a human dies, his corpses gets decomposed by decomposing bacteria. What's produced by the decomposing bacteria is the "fertilizer" for plants.
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A titratable group is in the active site of an enzyme and must be protonated for the enzyme to function. Assume that the group h
olya-2409 [2.1K]

Answer:

The correct option is 3. "At pH 6.5 the enyzme is 50% active"

Explanation:

For the titratable group to be protonated and cause the enzyme to be in the active state, it needs to have gained a hydrogen cation (H+). In order for that to happen, there must be enough hydrogen cations in the environment of the enzyme, and hence, an acidic pH is required in this case.

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Which role do gametes play in reproduction?
Lesechka [4]
<span>C. Gametes are the sex cells, and each (sperm and ovum) contain half of the parent's genetic material. These cells will fuse to produce a zygote, which will usually contain the full number of genes required by an organism to live. If there is a chromosomal abnormality, such as a gamete with an extra chromosome, the offspring can either die in development or sometimes be born with physiological and/or developmental difficulties. An example of this phenomenon is trisomy 21, also known as Down Syndrome, in which the 21st chromosome bears 3 copies instead of the regular 2.</span>
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3 years ago
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andrey2020 [161]

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what was the activity you did

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3 years ago
What are compounds?<br> A. homogeneous mixture<br> B. heterogeneous mixture <br> C. pure substances
sammy [17]
C. pure substances
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Which predator is typically found in Central Africa (but occasionally at geocode 34.043021, -118.2668356) and slays its opponent
aleksklad [387]
The answer is a black mamba.

The black mamba is predator typically found in central Africa. Not only that its scales are black but also an interior of its mouth. It moves very quickly and at any sudden movement, it is ready to slay its opponents through a rapid application of venomous strikes. <span>Its venom is highly toxic and it could kill a man for 10-15 hours after the bite if antivenom is not applied.</span>
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