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Roman55 [17]
2 years ago
13

Where geothermal resources are located and how we recover them

Biology
1 answer:
viva [34]2 years ago
8 0

Geothermal energy is heat produced in the Earth's core by the slow decay of naturally-occurring radioactive particles. Where geothermal resources are located and how we recover them: Low temperature resources are almost everywhere a few feet underground

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An early consequence of the release of oxygen gas by plant and bacterial photosynthesis was to 17) A) cause iron in ocean water
omeli [17]

Answer:

The correct answer is option A) "cause iron in ocean water and terrestrial rocks to rust (oxidize)".

Explanation:

During ancient times, the reproduction success of plants and cyanobacterias led to the accumulation of oxygen gas in the atmosphere. One early consequence of this accumulation was the oxidation of the iron in ocean water and terrestrial rocks. This phenomenon is the cause of banded iron formations, which formed in seawater and sank to the ocean bed.

3 0
3 years ago
Please also describe how actin-binding sites are made available for cross-bridging with myosin heads during contraction.
yaroslaw [1]

Answer: The calcium ion binds to troponin, and this slides the tropomyosin rods away from the binding sites.

Explanation:

Contraction and relaxation of muscle cells brings about movements of the body. The contractile myofilament called sarcomeres are bounded at each end by a dense stripe called the Z - line, to which the myosin fibres are attached, and lying in the middle of the sarcomere are the actin filaments, overlapping with the myosin.

When action potential spreads from the nerve along the sarcolemma (muscle cell membrane), it penetrates deep into the muscle cell through the sarcoplasm (cytoplasm of muscle cell), and releases CALCIUM from the intracellular stores.CALCIUM triggers the binding of myosin to the actin filament next to it forming CROSS BRIDGES.

For this to occur, ACTIN BINDING SITE has to be made available. TROPOMYOSIN is a protein that winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin. The first step in the process of contraction is for calcium ions to bind to troponin so that tropomyosin can slide away from the binding sites on the actin strands.

3 0
2 years ago
Why are elephants' traits are changing over time.
Ksju [112]

Answer:

because they adapt and change by learning new behavioral traits and develop new physical traits

Explanation:

6 0
3 years ago
You use two drugs (sulfisoxazole and trimethoprim) to treat a bacterial infection and notice that bactericidal activity is enhan
mezya [45]
Antagonsitic effect/interaction/response

In order to combat antiobiotic resistance, and to possibly enhance the activity of antibiotics, they are sometimes used in combinations during treatment. However, three possible responses or effects can manifest. 

First is antibiotic synergy, where the combined effect of the antibiotics enhances the activity/potency of the treatment compared to when the antibiotics are administered singly.

The effect is also distinguished from another type of response, which is additive effect, where the combined effect of the antibiotics is more or less equal to the combined activity/potency of each of the antibiotic when applied singly. Antibiotic synergy results in even greater enhancement of the activity of the combined antibiotics compared to additive effect. 

Lastly, there is the antagonistic effect or response, where the combined effect of the antibiotics results in the weakening of the potencies of the antibiotics relative to the combined (additive effect) potencies of each of the antibiotics. 
4 0
2 years ago
At which stage of respiration does the co2 release take place?
LenKa [72]
<span>The process by which most living cells generate energy during the process of aerobic respiration. CO2 release takes place at the stage of krebs cycle.
</span>

So according to above explanation

Krebs cycle , is the correct answer

7 0
3 years ago
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