Answer:
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Explanation:
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<em>The number of flights performed globally by the airline industry increased steadily since the early 2000s and reached 38.9 million in 2019. However, due to the coronavirus pandemic, the number of flights dropped to 16.4 million in 2020.</em>
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<span>This would be an example of a mutation, because the changing of allele frequencies would be a change within the gene itself, which would be a mutation in the DNA. This is evidenced by the fact that there is now a form of human resistance to malaria, due to changes within human DNA itself.</span>
Answer:
Explanation:
Density, the weight of an object divided by its volume, is a property of all matter, including solids, liquids and gases. The value of an object's density depends on what it's made of as well as its temperature; for example, lead weights are denser than feathers, and cold air is denser than hot air.
Answer:
ATP uses the energy from ATP hydrolysis and moves ions across the membranes.
Explanation:
- The mechanism of transportation of proteins and ions across cell membrane uses the ATPase that consume the energy from ATP hydrolysis and moves the small molecules across the cell membrane.
- The energy is used against a established electric potential or simply the chemical concentration gradient.
- This mechanism of transportation of ions is the example of active transport and a coupled chemical reaction.
Since the food worker just cut raw chicken, he'd need to wash his hands with soap and warm water before preparing the salads. If he didn't wash his hands, he could give the costumer/consumer a disease called salmonella.That is a<span>n infection with salmonella bacteria, which is mainly caused by contaminated food or water.
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