biology midterm

Question 1

What are the 3 steps that all biologists complete prior to experimentation?

Answer 1

Curiosity, skepticism, and logical thinking

Question 2

What are the 3 types of microscopes?

Answer 2

light microscope, transmission electron microscope, and scanning electron microscope

Question 3

What is an MRI?

Answer 3

magnetic resonance imaging

Question 4

What are the 4 major elements that make up 96% of the human body?

Answer 4

carbon, nitrogen, oxygen, hydrogen

Question 5

What does life depend on?

Answer 5

hydrogen bonds

Question 6

Name the 4 types of carbon-based molecules in living things

Answer 6

carbohydrates, lipids, proteins, and nucleic acids

Question 7

Hook was the first to?

Answer 7

identify cells and he named them

Question 8

Leeuwenhorek observed?

Answer 8

cells in greater detail

Question 9

Schleiden was the first to?

Answer 9

note that plants are made of cells

Question 10

Schwann concluded that?

Answer 10

all living things are made of cells

Question 11

Virchow proposed that?

Answer 11

all cells come from other cells

Question 12

What are the 3 parts of the Cell theory?

Answer 12

All organisms are mad of cells. All existing cells are produced by other living things. The cell is the most basic unit of life.

Question 13

What are the 3 parts of the phospholipid?

Answer 13

-charged phosphate group
-glycerol
-two fatty acid chains