A Whole New World 3.1

Question 1

Who discovered cells?

Answer 1

Robert Hooke

Question 2

What are some different types of scientists who study cells?

Answer 2

1. Bacteriologist
2. Cell biologist
3. Cytologist
4. Electron microscopist
5. Genetic scientist

Question 3

What does microscope mean?

Answer 3

Microscope come from the Greek words micrós, meaning ‘small,’ and skopein, meaning ‘to view’.

Question 4

Another name for a single cell

Answer 4

Unicellular

Question 5

Another name for many cells

Answer 5

Multicellular

Question 6

Who was the first to observe unicellular micro-organisms?

Answer 6

Anton van Leeuwenhoek

Question 7

What is a cell?

Answer 7

The basic unit of all living things

Question 8

What are the names of the units of measurements used to describe cells?

Answer 8

1. Micrometre (μm, also called micron)

2. Nanometre (nm)

Question 9

In what year was the first scanning electron microscope built?

Answer 9

1937

Question 10

Who invented the scanning tunneling microscope?

Answer 10

Gerd Binnig and Heinrich Rohrer invented the scanning tunneling micrscope.

Question 11

Who invented the first confocal microscope?

Answer 11

Marvin Minsky (in 1957)

Question 12

What do microscopes do?

Answer 12

Microscopes enable scientists to capture the movement of atoms and to make small objects appear bigger, so that we can see what was previously invisible to us.