Explain what energy is and what one source of it is

2 answers:

8 0

Answer: Energy is the ability and capacity to do work or act upon something. Electrical energy is the movement of electrons that is used to power something to do a action. One source of energy if you are talking about the body is your lungs taking in oxygen, the oxygen is distributed amongst your body into your blood cells to provide energy. In an electrical viewpoint, a source would be a lightning bolt, this is created when positive protons are attracted to the negative particles on the ground, which leads it to shoot down rapidly making a shift of energy and making a loud sound and also bright light as they collide to make a burst of power.

user100 [1]2 years ago

4 0

Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat , kinetic or mechanical energy, light, potential energy , electrical, or other forms. Energy is the ability to do work. Energy sources could be classified as Renewable and Non-renewable.

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In pea plants the allele for tall plants in dominant to the allele for short plants, and the allele for purple flower colour is

Tom [10]

Answer:

The correct answer is - 4. ttPp

Explanation:

Given - tall is dominant over short pea plant

let assume T is dominant and t is short which is recessive

Similarly, P for dominant purple flower and p for white flower

The offspring has a short plant which means it has both t allele or recessive allele for the height of a plant by the cross of a true-breeding purple and true-breeding white:

P P

p Pp Pp

This means the offspring would have a heterozygous case for the genotype of the flower of the pea plant

Thus, the correct answer is ttPp

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2 years ago

Which of the following could be a sequence in the carbon cycle?

andrew11 [14]

If you want faster replys or even replys at all, you need to give all the info.

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2 years ago

Rotenone, a toxic compound isolated from plants, strongly inhibits the transfer of electrons from iron-sulfur centers in Complex

Darya [45]

Answer:

(A) It prevents electron flow from the iron-sulfur centers in complex 1 to the ubiquinone. Due to reduction in electron transfer rate, there is a decrease in the production of ATP which is dangerous for some insects and fish over time.

(B) It also prevents electron flow from cytochrome b to cytochrome c1 at the complex III which leads to QH2 accumulation. If oxidized Q is not present, these is alteration of electron flow and the production of ATP is altered.

(C) Rotenone only prevent electron transfer into the chain at Complex 1 but it does not affect electron transfer at Complex II. Although there is slow ETC, it does not stop completely. However, Antimycin A prevents the oxidation of QH2, the final electron acceptor crom complex I and complex II. Thereby, stopping the production of both ETC and ATP. It can be concluded that antimycin A is a more potent poison.

Explanation:

Rotenone prevents electron flow from the iron-sulfur centers in complex 1 to the ubiquinone. Due to a reduction in electron transfer rate, there is a decrease in the production of ATP which is dangerous for some insects and fish over time. Antimycin A also prevents electron flow from cytochrome b to cytochrome c1 at the complex III which leads to QH2 accumulation. If oxidized Q is not present, there is an alteration of electron flow and the production of ATP is altered. Antimycin A is more potent than rotenone.

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2 years ago

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They would die because they need amylase to disgust food
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Masteriza [31]

They flow in all directions

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