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PLTW END OF COURSE ASSESSMENT STUDY GUIDE QUESTIONS AND VERIFIED ANSWERS

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PLTW END OF COURSE ASSESSMENT STUDY GUIDE QUESTIONS AND VERIFIED ANSWERS

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PLTW
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PLTW










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PLTW
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Uploaded on
December 17, 2025
Number of pages
17
Written in
2025/2026
Type
Exam (elaborations)
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Questions & answers

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What is meant by the term tissue?


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a tissue is a group of cells that work together to do something




What is an enzyme?


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a type of protein that speed up chemical reactions




Is the shape of a protein affected by its surrounding environment?

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proteins fold differently depending on whether they are in an aqueous
solution




Why are most cells so small?


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cells must be small enough that materials coming in can absorb all the way
in and materials going out can escape




Can sickle cell disease spread from one person to another the same way as a cold or
the flu?


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no, because its hereditary




What is the general role of enzymes in the human body?


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to break down molecules




What do normal red blood cells look like when placed under a microscope?

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round, but sort of flat in the middle




If bacteria are living cells, how do they reproduce?


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they reproduce asexually




What types of food supply carbohydrates, proteins, and lipids?


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Carbohydrates: grains, fruits, veggies, dairy, sweets


Proteins: meat, beans, nuts, eggs, dairy

Lipids: meat, oils, nuts, veggies, dairy




What are the characteristics and function of platelets?


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flat and sticky, help blood clot, impaired by Aspirin

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