#Question id: 818
#Unit 1. Molecules and their Interaction Relevant to Biology
Which one of the following weak interactions have central features of protein structures, but makes only minor contributions to protein stability?
#Question id: 1326
#Unit 4. Cell Communication and Cell Signaling
Which cellular junction will be most useful in preventing the movement of material between cell membranes?
#Question id: 7041
#Unit 5. Developmental Biology
Maternal deficiencies of either the gurken or the torpedo gene cause:
#Question id: 29068
#Unit 10. Ecological Principles
A positive correlation between population density over time and individual fitness is known as___
#Question id: 351
#Unit 1. Molecules and their Interaction Relevant to Biology
If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.