'Hydrophilic head' presentation slideshows

Biology Jeopardy Emily McKay 8 th

Biology Jeopardy Emily McKay 8 th. Cells. Photosynthesis . Respiration. Cell Division. Molecular Genetics. Evolution. Cells. Photo- synthesis. Respiration. Cell Division . Molecular Genetics. Evolution. $100. $100. $100. $100. $100. $100. $200. $200. $200. $200. $200.

1.52k views • 141 slides

Fats

842 views • 73 slides

Fats

956 views • 73 slides

Membranes and Transport

Membranes and Transport. BIOL241 Cytology (cont.). Plasma (cell) Membranes. Structure of cell membranes Functions of cell membranes How things get in and out of cells. What is a membrane?. The structure that separates the inside of a cell from what is outside a cell

822 views • 59 slides

Chapter 5 notes

Chapter 5 notes. The structure and function of Macromolecules. Concept 5.1. Polymer : a long molecule consisting of similar or identical building blocks - like a train with many cars - monomers : repeating units that are the building blocks

765 views • 52 slides

Chapter 5

551 views • 46 slides

Figure, 21-23 Head group attachment

Figure, 21-23 Head group attachment. Membrane phospholipids: Glycerophospholipids sphingolipids. Backbone Glycerol, sphingosine (serine) 2. Fatty acid ( Phosphatidic acid, DAG) 3. Hydrophilic head 4. Exchange head group. Smooth ER Mitochondria inner membrane.

660 views • 46 slides

Molecules of Life

638 views • 44 slides

Lipids

Lipids. Highly diverse structures Unifying property Hydrophobic: little to no affinity to water Contains hydrocarbons, which form nonpolar covalent bonds Do not form polymers Biologically important lipids containing molecules: Fats Phospholipids Steroids. Fats. Structure

591 views • 37 slides

AS Biology FOUNDATION Chapter 4 CELL MEMBRANES and TRANSPORT

AS Biology FOUNDATION Chapter 4 CELL MEMBRANES and TRANSPORT. The Cell. Learning Objectives. Describe the fluid mosaic model of membrane structure and explain the underlying reasons for this structure.

568 views • 24 slides

Membranes

Membranes. Cell membrane = Plasmalemma = Plasma membrane Surrounds cells and most organelles Forms a network of passages. Mitochondria, chloroplasts, and the nucleus all have a double membrane. Functions of plasmalemma. Keep cell contents together and separate from other cells

397 views • 21 slides

CELL MEMBRANES

CELL MEMBRANES. Functions of the cell membrane. 1. Protection - barrier 2. Let in nutrients 3. Let out wastes/products 4. Receive messages from other cells. Phospholipids. Amphipathic nature of phospholipids: Hydrophilic head with Hydrophobic tails.

229 views • 10 slides

Cell membrane

Cell membrane. Fluid mosaic model. Accepted form of the cell membrane. What is the function of the cell membrane?. Provide structure Provide protection Resist the pressures of osmotic pressure. What makes up the cell membrane?. Lipids (fats) Proteins Carbohydrates. Lipids (fats).

237 views • 8 slides