TAT: transport of materials

Which of the following has the largest surface area to volume ratio?

• A

• B

• C

• D

The red blood cells in solution C are in a ____________ environment

• Acidic
• Isotonic
• Hypotonic
• Hypertonic

• Hypotonic solution

• Isotonic solution

• Hypertonic solution

Which of these cell processes does NOT require energy?

• osmosis
• endocytosis
• active transport
• exocytosis

The cell below is in a _________ solution.

• Hypotonic
• Hypertonic
• Isotonic

When does diffusion in cells stop?

• When vesicles burst.
• When equilibrium is reached.
• When respiration begins.
• When photosynthesis begins.

Some functions of of Membrane Proteins

• 1. DNA synthesis

  2. Osmoregulation

• 1.Protein synthesis

  2. Cell Junctions

  3. Metabolism

• 1. Cell-to-cell communication

  2. Junctions

  3. Transport

  3.

• 1. Transport

  2. Protein degradation

• facilitated diffusion

• active transport

• simple diffusion

• pinocytosis

What type of transport is this?

• facilitated diffusion
• active transport
• diffusion
• osmosis

The molecule responsible for increasing the fluidity of the membrane are:

• Glycolipids
• Glycoproteins
• Cholesterols
• Aquaporins