Module 1.1 - The Cell Theory

Question 1

These are the smallest units of life that can function independently

Answer 1

Cells

Question 2

Is an instrument used for magnifying objects otherwise too small to be seen.

Answer 2

Microscope

Question 3

They discovered that the combination of two lenses in a particular arragements was the secret to better visualization and magnification of objects.

Answer 3

Hans Janssen and Zacharias Janssen

Question 4

When did Hans and Zacharias Janssen discovered the earlier version of a microscope?

Answer 4

1597

Question 5

He was an English physicist that melted strands of spun glass to create lenses.

Answer 5

Robert Hooke

Question 6

When did Robert Hooke produced lenses out from a melted spun glass.

Answer 6

1665

Question 7

He is considered to be the “Father of Microscopy”.

Answer 7

Robert Hooke

Question 8

What material Robert Hooke used that appeared to be divided into little boxes?

Answer 8

Cork or Dead Cork Tissue

Question 9

A book where Robert Hooke detailed his observations of this tiny and previously unseen world.

Answer 9

Micrographia

Question 10

A term Hooke used to those units he saw under the lens becuase they looked like the cubicles where monks studied and prayed.

Answer 10

Cells or Cellula (According to the book)

Question 11

A dutch maker of microscope and is the first person to see live cells using a self-made microscope.

Answer 11

Anton van Leeuwenhoek

Question 12

What material did Leeuwenhoek used in order to observe this microscopic things?

Answer 12

Pond water

Question 13

A term which Leeuwenhoek used to name those creatures he saw under his microscope which means “little animals”.

Answer 13

Animalcules

Question 14

A German botanist that concluded the postulate that plants come from cells.

Answer 14

Matthias Schleiden

Question 15

When did Schwann discovered his postulate?

Answer 15

1839

Question 16

He declared that animals, just like plants are likewise composed of cells.

Answer 16

Theodor Schwann

Question 17

When did Matthias Scheiden concluded his postulate?

Answer 17

1838

Question 18

He declared “Omnis cellula e cellula” which meant cells come from preexisting cells.

Answer 18

Rudolf Virchow

Question 19

The concepts of Schleiden, Schwann, and Virchow were summarized into what is know today as the?

Answer 19

Cell theory

Question 20

Recite the cell theory.

Answer 20

1. All organisms are composed of cells.
2. Cells are the smallest and basic units structure and functionin organisms
3. Cells arise only from previosly existing cells.

Question 21

Recite the expanded cell theory.

Answer 21

1. Cells carry genetic material passed to daughter cells during cellular division.
2. All cells are essentialy the same in chemical composition.
3. Energy flow (metabolism, biochemistry) occurs within cells.