AP Bio Cell Transport

Pressure potential = 0.2 MPa and solute potential = - 0.6 MPa…

• Water Potential = -0.8MPa

• Water Potential = -0.4 MPa

• Water Potential = 0.4 MPa

• Water Potential = 0.8 MPa

What is the approximate sucrose concentration in the potato core?

• .43 M

• .30 M

• 0.0 M

• 1.0 M

Tags

NGSS.HS-PS1-5

Identify cholesterol molecule

• structure a

• structure b

• structure h

• structure i

If solution A has -4.0 MPa and solution B has -2.0 MPa, which direction will   water flow?

• Out of solution A

• Out of solution B

What moves the vesicles to the membrane for exocytosis?

• Actin

• Dynein

• Kinase

• Myosin

Passive transport

• Does not require input of energy and moves against gradient

• Does not require input of energy and moves with gradient

• Requires input of energy and moves against gradient

• Requires input of energy and moves with gradient

Active transport

• Does not require input of energy and moves against gradient

• Does not require input of energy and moves with gradient

• Requires input of energy and moves against gradient

• Requires input of energy and moves with gradient

Endocytosis

• Does not require ATP and allows large particles to enter the cell

• Does not require ATP and allows large particles to leave the cell

• Requires ATP and allows large particles to enter the cell

• Requires ATP and allows large particles to leave the cell

How does Ca²⁺ move across membrane from high to low?

• Active transport

• Bulk transport

• Facilitated transport

• Simple diffusion

How are secreted proteins moved across the membrane?

• Active transport

• Bulk transport

• Facilitated transport

• Simple diffusion