Chapter 2/4: Plasma Membranes Flashcards Preview

MIBO3500 > Chapter 2/4: Plasma Membranes > Flashcards

Flashcards in Chapter 2/4: Plasma Membranes Deck (12):
1

What structure can be found in all bacterial cell envelopes?

Plasma membrane

2

What is a plasma membrane composed of?

Phospholipids

3

What acts as channels for nutrient transport and protein secretion across the plasma membrane?

Integral membrane proteins

4

What type of molecule increases the stability of plasma membranes in many eukaryal cells?

Cholesterol

5

What type of molecule increases the stability of plasma membranes in some bacteria?

Hopanoids

6

What type of protein channels can move H2O across the plasma membrane?

Aquaporin

7

Which two types of large molecule transport requires energy and protein channels?

Active transport, Group tanslocation

8

What type of large molecule transport modifies the nutrient during transport?

Group translocation

9

What are the two types of co-transport?

Symport, Antiport

10

What type of large molecule transport uses the energy of one concentration gradient to drive movement of another particle against its gradient?

Co-transport

11

What type of large molecule transport uses ATP cleavage to drive movement against its concentration gradient?

ABC transport

12

What type of large molecule transport uses a phosphate group transfer to 'trick' the concentration gradient?

Group translocation