AP Biology - Unit 2 - Surface Area To Volume

Flashcard
•
Biology
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Why are cells small?
Back
So they can have a higher surface area to volume ratio.
2.
FLASHCARD QUESTION
Front
What is the formula for calculating the surface area of a sphere?
Back
Surface Area = 4πr², where r is the radius.
3.
FLASHCARD QUESTION
Front
What is the formula for calculating the volume of a sphere?
Back
Volume = (4/3)πr³, where r is the radius.
4.
FLASHCARD QUESTION
Front
What happens to the surface area to volume ratio as a cell grows larger?
Back
The surface area to volume ratio decreases.
5.
FLASHCARD QUESTION
Front
Why is a higher surface area to volume ratio beneficial for cells?
Back
It allows for more efficient exchange of materials with the environment.
6.
FLASHCARD QUESTION
Front
Calculate the surface area of a basketball with a radius of 15 cm.
Back
Surface Area = 4π(15 cm)² = 706.5 cm².
7.
FLASHCARD QUESTION
Front
Calculate the volume of a globe with a radius of 11 inches.
Back
Volume = (4/3)π(11 in)³ = 5,575 in³.
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