JLCPSO TRY OUT TEST 9.25.25

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What is Tryptophan?

Back

Tryptophan is an essential amino acid that the body cannot produce on its own. It is a precursor to serotonin, which regulates mood, sleep, and appetite.

Front

What is fractional distillation?

Back

Fractional distillation is a method for separating a mixture of two or more miscible liquids based on their different boiling points.

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What is the immune system?

Back

The immune system is the body's defense mechanism against harmful antigens, such as bacteria, viruses, and other pathogens.

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What is a dependent variable?

Back

In a formal hypothesis, the dependent variable is the outcome that is measured in an experiment, which is affected by changes in the independent variable.

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What role do decomposers play in an ecosystem?

Back

Decomposers, such as fungi and bacteria, break down dead organic matter, returning nutrients to the soil and supporting plant growth.

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What is the function of producers in an ecosystem?

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Producers, like plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

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What is the difference between independent and dependent variables?

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The independent variable is the factor that is changed or controlled in an experiment, while the dependent variable is the factor that is measured.

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What are antigens?

Back

Antigens are substances that trigger an immune response, often found on the surface of pathogens like bacteria and viruses.

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What is the process of photosynthesis?

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Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

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What is the role of consumers in an ecosystem?

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Consumers are organisms that obtain energy by feeding on other organisms, including plants (herbivores) and animals (carnivores).