Exam 1

Question 1

Compartmentalization

Answer 1

Importance:
Keeping functions and processes throughout the cell separate
“Division of labor”
Provides possibility of regulation and efficiency
Eukaryotic cell have extensive compartmentalization, prokaryotes lack compartments

Question 2

Endomembrane system

Answer 2

A group of interrelated organelles, Golgi apparatus, endoplasmic reticulum, and nucleus

Question 3

Micro tubes

Answer 3

these are long, straight tubes made up of a protein called tubulin
Provide support the cell membrane and keep organelles organizes

Question 4

Microfilaments

Answer 4

Long fibers made from actin
Flexible, can be assembled and taken apart

Question 5

Intermediate filaments

Answer 5

Made from keratin and Lamin

Question 6

Electronegativity

Answer 6

• elements similar in electronegativity have equal sharing and non polar covalent bonds
  -significant difference, polar covalent bond
• when electronegativity is extreme, electron stripping (ionic bonds) form

Question 7

Hydrophilic

Answer 7

Molecules that can dissolve in water