Cells

Question 1

Light (compound) microscopes can magnify objects like cells up to 2000 times.

Answer 1

True.

Question 2

Electron microscopes were invented in 1920s

Answer 2

False. 1930s

Question 3

Cells are measured in micrometres.

Answer 3

True. (hm)

Question 4

Organisms can be unicellular and multicellular. What does that mean?

Answer 4

Unicellular: Single-celled (bacteria)
Multicellular: Many-celled (animals/plants)

Question 5

CELL ORGANIZATION

Answer 5

1. All living things are composed of one or more cells (tissues)
2. The cell is the basic unit of life (organs//heart, liver, lungs)
3. All cells come from pre-existing cells (organ system//respirtory)
   ORGANISM

Question 6

When were microscropes invented?

Answer 6

Sometime in the 1600’s