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Ivanshal [37]
3 years ago
12

Some species of bacteria benefit humans​

Biology
1 answer:
avanturin [10]3 years ago
7 0

• E. Coli are found in the intestines of humans and aid in digestion.

• Streptomyces is used in making antibiotics.

• Rhizobium are helpful bacteria found in the soil. They convert nitrogen in the soil

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The idea that Earth orbits the sun is referred to as ____ of the solar system, because of the scientist who first proposed it.​
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Answer:

E. The Copernican model

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Explain why a silent mutation might not affect the protein for which it codes
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The neuromuscular junction is a well-studied example of a chemical synapse. Which of the following statements describes a critic
WITCHER [35]

Answer:

A- Acetylcholine is released by axon terminals of the motor neuron.

Explanation:

The general mechanism of muscle contraction can be explained as follows:

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b) The nerve endings then secrete small amounts of neurotransmitter called acetylcholine.

c) The actylecholine binds to the receptors on the membrane of muscle fiber and opens the voltage gated sodium channels.

d) Opening of these channels leads to flow of large quantities of sodium ions into the muscle fiber which ultimately results in initiation of action potential in muscle fiber.  

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3 years ago
Help <br> How many molecules of oxygen is need to undergo cellular respiration?
disa [49]

Answer:

At least 6. You have to look at the chemical formula for cellular respiration and make sure it is balanced!

C6H12O6+6 O2→6 CO2+6 H2O

Explanation:

4 0
2 years ago
Read 2 more answers
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