consider a molecule of the polymer, polyethylene, and a protein molecule as if they were strings of beads. How would the string representing polyethylene differ from that representing a protein

This is because not all genes are expressed at the same time, so not all the proteins are present at a certain moment. The mechanisms that cell uses to control gene expression are called regulation of the gene expression. Thanks to regulation of the genes, cells have the ability to increase or decrease the production of specific gene products such as proteins. This property is important for the adaptability of an organism because it allows the cell to express protein when needed.

Answer:

Producers like plants get their energy from the sun. Consumers get energy from eating producers or other consumers.

Explanation:

Answer:

producers, primary consumers, secondary consumers and tertiary consumers

Explanation:

Producers get their nutrients by the sun, these are normally plants. Then primary consumers eat these producers, these are herbivores. The secondary consumers eat the primary consumers, these are carnivores and can be herbivores. Lastly, tertiary consumer eat the secondary consumers and are carnivores

The eqation which reporesent Photosynthesis is6CO2 + 6H2O ® C6H12O6 + 6O2

Photosynthesis is the process by which green plants manufacture their food(in form of sugar) using carbon dioxide and water in the presence of sunlight. This is possible because of the presence of  chlorophyll which creates a medium to absorb the sun's energy. The Light energy formed then converts water and carbon dioxide into oxygen and  sugars.

The chemical equation to represent the process is as follows

6CO2 + 6H2O ------> C6H12O6 + 6O2.

                      sunlight

Here,  six molecules of  carbon dioxide and six molecules of water reacts in the presence of  light energy captured by chlorophyll from the sun to  form  sugar  and six molecules of oxygen.

See related answers here:brainly.com/question/18768388

Answer:

[See Below]

Explanation:

Here's the equations for photosynthesis.

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Whenever POPs move thousands of kilometers from their source of release throughout a cycle is described as a "Grasshopper effect".

• Global distillation occurs when prevailing ocean as well as atmospheric currents transport toxins towards the Arctic, where they have been confined by the freezing environment.
• This would be known also as the "grasshopper effect," since chemicals constantly evaporate as well as condense during their way towards the Arctic.

Thus the response above i.e., "Option b" is right.

Learn more about the grasshopper effect here:

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Answer:

b. grasshopper effect

Explanation:

Persistent Organic Pollutants or POPs are organic chemicals that cause a lot of damage to environment and living beings. They are generally industrial chemicals or pesticides for example, DDT. They are toxic and not degraded easily. They tend to get accumulated in living tissues and increase in concentration as we move upwards in a food chain.

When POPs are transported to areas far from their original site, the phenomena is called as grasshopper effect. They are carried by wind in atmosphere and finally settle down on land from where they evaporate again to enter the atmosphere. Thus, the cycle continues. Eventually, they can reach to an area thousands of kilometers away from their original source.