Chapter 1

Question 1

2 common features of living things

Answer 1

1. Metabolism

2. Reproduction

Question 2

Cell Theory says 2 things

Answer 2

Living organisms are composed of one or more cells

Cells are the structural units of life

Question 3

Where do cells come from

Answer 3

Pre-existing cells

Question 4

5 commonalities of all cells

Answer 4

1. DNA
2. Can reproduce
3. Have a metabolism dependent on proteins
4. Have glucose
5. Have a cell membrane

Question 5

Define Glycolysis

Answer 5

complete oxidation of glucose to release energy

Question 6

What is endosymbiosis?

Answer 6

An organism living within the cell or another. Earliest eukaryotes may have ingested whole bacteria

Question 7

5 major bacterial cell features

Answer 7

1. No membrane bound organelles
2. Peptidoglycan cell wall for rigid support
3. Glycocalyx: capsule or slime layer for attachment
4. No organelles
5. Lacks a defined nucleus

Question 8

Cyanobacteria

Answer 8

Photosynthetic bacteria found in eukaryotic chloroplasts. Highly self sufficient

Question 9

Plasma membrane “infoldings”

Answer 9

Found in bacteria to protect DNA

Question 10

2 things that support endosymbiotic theory

Answer 10

1. Mitochondria resemble aerobic bacteria

2. Chloroplasts resemble photosynthetic bacteria

Question 11

4 Types of Eukaryotic Cells

Answer 11

1. Protists
2. Fungi
3. Plants
4. Animals

Question 12

2 characteristics of fungi

Answer 12

1. Generally static

2. Chitin-containing cell walls

Question 13

2 characteristics of plants

Answer 13

1. Static photosynthesizers

2. Cellulous-containing cell walls

Question 14

2 characteristics of animals

Answer 14

1. Usually mobile heterotrophs

2. No cell walls

Question 15

Most cellular differentiation is….

Answer 15

“Terminal” except some cancer cells