Quiz 2 Flashcards
(7 cards)
0
Q
How do molecules in the secretory process move?
A
Micro tubule tracks
1
Q
Secretory Process
A
Rough ER -> Transport vesicles -> Golgi body (modifies molecules) -> secretory vesicle -> plasma membrane
2
Q
Protein structure
A
Composed of amino acids, formed by peptide bonds
3
Q
What is a mammalian cell membrane composed of?
A
Phospholipids, protein, carbohydrates, cholesterol
4
Q
What are the properties of a receptor?
A
Bind to a ligand (primary chemical messenger). Specificity, saturation affinity, competition, modulation
5
Q
What is an enzyme?
A
Proteins that catalyze biological reactions, but are not consumed or altered by the reaction
6
Q
Types of junctions
A
Tight junctions - barrier
Desmosomes - cell contact, adhesion
Gap junctions - small pores, connect cells
