#Question id: 2074
#Section 3: Genetics, Cellular and Molecular Biology
In some cells, there are many ion electrochemical gradients across the plasma membrane even though there are usually only one or two proton pumps present in the membrane. The gradients of the other ions are most likely accounted for by:
#Question id: 14672
#Section 4: Fundamentals of Biological Engineering
#Question id: 19142
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
#Question id: 3036
#Section 2: General Biology
During which phase would penicillin, an antibiotic that inhibits cell-wall synthesis, be most effective?
#Question id: 1856
#Section 2: General Biology
Influenza vaccines usually contain antigens from how many different strains of influenza virus?