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  1. AP Biology
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Chemistry of Life

Question 1
college-boardBiologyAPExam Style
1 mark

In plants, how might a decrease in transpiration rates due to high humidity levels impact the properties of water within xylem vessels?

Question 2
college-boardBiologyAPExam Style
1 mark

Water must travel from the roots to the leaves of trees hundreds of feet tall. Which property of water is responsible for this?

Question 3
college-boardBiologyAPExam Style
1 mark

Some insects can walk on water without breaking the surface. Which property of water is responsible for this?

Question 4
college-boardBiologyAPExam Style
1 mark

What would be the most likely outcome on the properties of water if a mutation in a common aquatic plant led to the secretion of a compound that reduces hydrogen bonding among water molecules?

Question 5
college-boardBiologyAPExam Style
1 mark

How do water and solutes diffuse?

Question 6
college-boardBiologyAPExam Style
1 mark

What is the probable outcome when a positive assortative mating occurs regularly within an isolated population?

Question 7
college-boardBiologyAPExam Style
1 mark

What evolutionary mechanism can lead to adaptation where organisms become better suited for their environment due to differential survival?

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Question 8
college-boardBiologyAPExam Style
1 mark

How could an enzyme that catalyzes reactions at low temperatures modify local intramolecular forces within liquid water below freezing point without acting as an antifreeze agent?

Question 9
college-boardBiologyAPExam Style
1 mark

Which characteristic contributes most directly to the cohesive behavior observed between water molecules?

Question 10
college-boardBiologyAPExam Style
1 mark

How does the structure of water contribute to its high specific heat capacity, which is critical for maintaining stable temperatures in aquatic environments?