PMA 2 Review
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What organelle of the cell produces energy?
Back
Mitochondria are the organelles responsible for producing energy in the form of ATP through cellular respiration.
2.
FLASHCARD QUESTION
Front
Why are fossil fuels considered a nonrenewable resource?
Back
Fossil fuels are considered nonrenewable because they take millions of years to form and cannot be replenished within a human timescale.
3.
FLASHCARD QUESTION
Front
What type of transport across the membrane requires energy?
Back
Active transport requires energy to move substances against their concentration gradient.
4.
FLASHCARD QUESTION
Front
What is the consequence of a reduced gene pool in a population?
Back
A reduced gene pool can lead to increased vulnerability to environmental changes and a higher risk of inbreeding.
5.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the movement of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
6.
FLASHCARD QUESTION
Front
What is the function of the Golgi body in a cell?
Back
The Golgi body modifies, sorts, and packages proteins and lipids for secretion or delivery to other organelles.
7.
FLASHCARD QUESTION
Front
What is the role of vacuoles in plant cells?
Back
Vacuoles store nutrients, waste products, and help maintain turgor pressure in plant cells.
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