IB DP Biology: SL复习笔记1.3.2 Membrane Proteins
Membrane Proteins The phospholipid bilayer carries out the main function of the plasma membrane - to control the movement of substances into and out of the cell The other functions are carried out ...
IB DP Biology: SL复习笔记1.3.1 Phospholipid Bilayer Properties
Amphipathic Properties Phospholipids Phospholipids form the basic structure of the membrane (the phospholipid bilayer) They are formed by a hydrophilic phosphate head bonding with two hydrophobic h...
IB DP Biology: SL复习笔记1.2.8 Skills: Drawing Cells
Drawing Cells Drawing the ultrastructure of cells To record the observations seen under the microscope (or from photomicrographs taken) a labelled biological drawing is often made Biological drawin...
IB DP Biology: SL复习笔记1.2.7 Microscopes
Electron & Light Microscopes NOS: Developments in scientific research follow improvements in apparatus; the invention of electron microscopes led to greater understanding of cell structure In s...
IB DP Biology: SL复习笔记1.2.6 Comparison of Prokaryotic & Eukaryotic Cells
Comparison of Prokaryotic & Eukaryotic Cells Animal and plant cells are types of eukaryotic cells, whereas bacteria are a type of prokaryote There are a number of important structural and physi...
IB DP Biology: SL复习笔记1.2.5 Exocrine Pancreatic & Palisade Mesophyll Cells
Exocrine Pancreatic & Palisade Mesophyll Cells Exocrine gland cells of the pancreas The pancreas contains two types of gland cells: endocrine and exocrine cells The function of the exocrine gla...
IB DP Biology: SL复习笔记1.2.4 Eukaryotic Cell Structure
Eukaryotic Cell Structure Compartmentalized cell structure Eukaryotic cells have a more complex ultrastructure than prokaryotic cells The cytoplasm of eukaryotic cells is divided up into membrane-b...
IB DP Biology: SL复习笔记1.2.3 Prokaryotic Cell Structure
Prokaryotic Cell Structure The cell structure of organisms determines whether they are prokaryotic or eukaryotic Prokaryotes have the simplest cell structure, being the first organisms to evolve on...
IB DP Biology: SL复习笔记1.2.2 Endosymbiotic Theory
Endosymbiotic Theory Endosymbiosis Endosymbiosis is where one organism lives within another If the relationship is beneficial to both organisms the engulfed organism is not digested For endosymbios...
