Cells and Transport Day 1

Question 1

Which organelle controls a eukaryotic cell?

Answer 1

Term: Nucleus. Definition: Contains DNA; directs cell activities in both plant & animal cells.

Question 2

Where is ATP energy produced in the cell?

Answer 2

Term: Mitochondrion. Definition: Site of aerobic respiration, producing ATP from glucose.

Question 3

Which organelle is essential for photosynthesis?

Answer 3

Term: Chloroplast. Definition: Contains chlorophyll in plant cells; converts light energy into glucose & oxygen.

Question 4

How does water move into plant roots?

Answer 4

Term: Osmosis. Definition: Passive diffusion of water across a membrane from high to low water potential.

Question 5

Write the overall photosynthesis equation.

Answer 5

Term: Photosynthesis. Definition: 6CO₂ + 6H₂O → (light & chlorophyll) → C₆H₁₂O₆ + 6O₂.

Question 6

Which pondweed is used to show photosynthesis bubbles?

Answer 6

Term: Elodea. Definition: Common aquatic plant that releases visible O₂ bubbles during photosynthesis experiments.