theory vs law, cell theory, organelles

Question 1

What is the main difference between a theory and a law in science?

Answer 1

A theory explains a wide range of phenomena; a law describes a specific observed relationship.

Question 2

Is Cell Theory a theory or a law?

Answer 2

A theory.

Question 3

What are the three parts of Cell Theory?

Answer 3

1) Cell is the basic unit of life, 2) All organisms are made of cells, 3) All cells come from pre-existing cells.

Question 4

Why is Cell Theory still a theory?

Answer 4

Questions remain about viruses, origin of the first cells, and whether organelles could be alive.

Question 5

What is the function of the mitochondria?

Answer 5

Produces energy (ATP) through respiration.

Question 6

What does the ribosome do?

Answer 6

Synthesises proteins.

Question 7

What is the function of the cell membrane?

Answer 7

Controls what enters and exits the cell.

Question 8

Which organelle is responsible for photosynthesis?

Answer 8

Chloroplast.

Question 9

What makes a scientific diagram acceptable?

Answer 9

Clear lines, no shading, labeled with straight lines, done in pencil, 2D, and proportional.

Question 10

What’s the difference between a plant and an animal cell?

Answer 10

Plant cells have cell walls, chloroplasts, and a large vacuole; animal cells do not.