Inquizitive Chapter 3 Questions and
Answers Already Passed
What is the process called when plants "exhale" water vapor through tiny openings in their
leaves?
✔✔Transpiration
What cellular "recycling center" breaks down worn-out organelles and molecules?
✔✔Lysosome
What unique structure in plant cells allows them to store large amounts of water?
✔✔Central vacuole
What happens when a cell is placed in a hypertonic solution?
✔✔It shrinks as water leaves the cell
Which process converts nitrogen gas from the atmosphere into a usable form for plants?
✔✔Nitrogen fixation
1
,What kind of cells have no nucleus but still perform essential life processes?
✔✔Prokaryotic cells
What is the purpose of a cell's cytoskeleton?
✔✔To provide structure and facilitate movement
Why do leaves change color in the fall?
✔✔Chlorophyll breaks down, revealing other pigments
What term describes the shape of a DNA molecule?
✔✔Double helix
What process involves the cell membrane "engulfing" large particles or fluids?
✔✔Endocytosis
What is the role of stomata in plant leaves?
✔✔To regulate gas exchange
2
, Why do enzymes speed up chemical reactions in living organisms?
✔✔They lower the activation energy needed
What is the term for a group of organisms of the same species living in the same area?
✔✔Population
What kind of bond forms between water molecules, giving water its unique properties?
✔✔Hydrogen bonds
How do desert plants adapt to conserve water?
✔✔They have thick, waxy leaves and deep roots
What process uses carbon dioxide, water, and sunlight to produce glucose?
✔✔Photosynthesis
Why do animal cells lack cell walls?
✔✔Flexibility is needed for movement and varied shapes
3
Answers Already Passed
What is the process called when plants "exhale" water vapor through tiny openings in their
leaves?
✔✔Transpiration
What cellular "recycling center" breaks down worn-out organelles and molecules?
✔✔Lysosome
What unique structure in plant cells allows them to store large amounts of water?
✔✔Central vacuole
What happens when a cell is placed in a hypertonic solution?
✔✔It shrinks as water leaves the cell
Which process converts nitrogen gas from the atmosphere into a usable form for plants?
✔✔Nitrogen fixation
1
,What kind of cells have no nucleus but still perform essential life processes?
✔✔Prokaryotic cells
What is the purpose of a cell's cytoskeleton?
✔✔To provide structure and facilitate movement
Why do leaves change color in the fall?
✔✔Chlorophyll breaks down, revealing other pigments
What term describes the shape of a DNA molecule?
✔✔Double helix
What process involves the cell membrane "engulfing" large particles or fluids?
✔✔Endocytosis
What is the role of stomata in plant leaves?
✔✔To regulate gas exchange
2
, Why do enzymes speed up chemical reactions in living organisms?
✔✔They lower the activation energy needed
What is the term for a group of organisms of the same species living in the same area?
✔✔Population
What kind of bond forms between water molecules, giving water its unique properties?
✔✔Hydrogen bonds
How do desert plants adapt to conserve water?
✔✔They have thick, waxy leaves and deep roots
What process uses carbon dioxide, water, and sunlight to produce glucose?
✔✔Photosynthesis
Why do animal cells lack cell walls?
✔✔Flexibility is needed for movement and varied shapes
3
