It's basically a wave that moves back and forth at regular speed through matter. because of that it transfers energy through a medium (matter). however the movement of the wave is limited because of this but it can still move over long distances. so because of this these types of waves don't move far from their original point or Equilibrium position. in short think of throwing a pebble into water and seeing the little ripples from it, that's a mechanical wave.
Answer: A (ATP only)
Explanation:
Both NADH and pyruvate are energy store. NADH and pyruvate can not directly be used to drive biological reaction.The metabolism of pyruvate releases energy in the form of ATP. NADH produces ATP through the electron transport chain (ETC). Adenosine Triphosphate (ATP) is referred to as the energy currency of the cell. ATP is used directly as energy to drive endergonic and exergonic biological reaction.
Answer is ATP only
B
A barrage is a dam-like structure that is built in the tidal zone of an ocean to capture tidal energy.
Explanation:
It has sluice gates that can be controlled to harness the kinetic energy in the flow of water. The sluice gates also have turbines. During high tides, as the water flows into the barrage, it turns the turbines that generate electricity using the dynamo effect. During low tide, as the water recedes back to the oceans, and the barrage gets emptied, the water flow, again, turns the turbines.
Some barrages first capture the ocean water during high tide, until the dam-like structure is full, without generating electricity. When the tide is low, the sluice gates release the water and the turbines generate electricity. This kind is a one –way power generation.
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For more on tidal power check out;
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Answer: In biology, a gene is a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product, either RNA or protein. During gene expression, the DNA is first copied into RNA. The RNA can be directly functional or be the intermediate template for a protein that performs a function. Genes and DNA are different..... DNA is the molecule that is the hereditary material in all living cells. Genes are made of DNA, and so is the genome itself. A gene consists of enough DNA to code for one protein, and a genome is simply the sum total of an organism's DNA.
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The main function of the erythrocytes, which is responsible for carrying hemoglobin throughout the body is to carry and distribute oxygen to all the cells in the body. Having less erythrocytes or RBCs would result in anemia. When one has anemia, the most common manifestation is paleness and lack of energy. This is because the cells in the body did not receive enough oxygen for optimum functioning. Hope this answers your question.
