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cupoosta [38]
3 years ago
5

A well designed experiment _____.

Biology
2 answers:
Vesna [10]3 years ago
6 0
A true experiment<span> is a type of </span>experimental design<span> and is used to establish cause and effect relationships</span>
iVinArrow [24]3 years ago
6 0
T<span>he prediction should be supported or not supported by experiments. If supported, it is probably (but not certifiably) correct. If not supported, it is probably (but not certifiably) incorrect.</span>
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WHAT DOES CALORIE MEANS ?
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3 years ago
The involvement of ATP in the nitrogenase complex is because ATP is needed to: a. provide electrons. b. phosphorylate the enzyme
german

Answer:

c. break the N2 triple bond.  

Explanation:

In the general nitrogen reduction reaction (which occurs in the nitrogenase complex), ferredoxin acts as an electron donor to Fe-protein, which in turn hydrolyzes ATP and reduces MoFe-protein. By reducing MoFe-protein one can then reduce numerous (triple bonded) substrates although, under natural conditions, it reacts only to N2 and H +.

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The binding and hydrolysis of ATP to Fe-protein causes a change in conformation of this protein which facilitates redox reactions. The enzymatic reduction of N2 by nitrogenase requires a large energy investment, although the exact changes in free energy are still unknown.

6 0
3 years ago
The flowering plant does not wilt but stands straight up reaching toward the sunlight because its cells contains mostly
nataly862011 [7]

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7 0
4 years ago
The ecological efficiency at each trophic level of a particular ecosystem is 20%. If the green plants of the ecosystem capture 1
Allushta [10]

Answer:

1. 20 units

2. 4 units

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In an ecosystem, energy is transferred from one organism occupying a trophic level to another as they feed on one another. The amount of energy that is being transferred as the chain progresses is called ECOLOGICAL EFFICIENCY. According to this question, the ecological efficiency at each trophic level of the ecosystem is 20%. This means that about 20% of energy units will be transferred to the next trophic level.

If the green plants of the ecosystem capture 100 units of energy, the amount of energy that will be available to support herbivores (plant eaters) is: 20% × 100units i.e. 20/100 × 100 = 20 units.

Also, the amount of energy that will be available to support carnivores subsequently will be 20% of 20 units i.e. 20/100 × 20 = 4 units.

4 0
3 years ago
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