Chapter 2 Life Science

Robert Hooke :

• 1 English scientist who discovered proteins

• 2 English scientist who discovered structures and named them cells

• 3 German scientist who looked at plant cells

• 4 Built a microscope

• 5 Option 2 and 4 are correct

Cell comes from the latin word:

Mathias Schleiden:

• English scientist who used the microscope to study animal cells

• German scientist who created the Cell Theory

• German scientist - used one of the new microscopes to look at plant cells.

Theodor Schwann:

• German scientist - Used a microscope to study animal cells

• German scientist - used a new microscope to study plant cells

• created the Cell Theory

Rudolf Virchow:

• German doctor - studied animal cells using a microscope

• German scientist - sing a new microscope studied the plant cells

• German doctor- proposed that all cells come from pre-existing cells.

• Created the Cell Thory

Cell Theory establishes that:

• All living things are made of one or more cells

• The cell is the smallest unit of life

• All new cells come from pre-existing cells

• ALL are correct

Substances formed by joining many small molecules together are:

Macromolecules cant function without:

True or False:

The water surrounding your cells helps to insulate your body.

A water molecule has two areas:

• 1. Negative end that attracts the positive part of another substance

• 2. Positive end that attracts the positive part of another substance

• 3. Negative end that attracts a negative end of another substance

• 4. Positive end that attracts the negative part of another substance

• Option 1 and 4 are correct