Channel mediated facilitated diffusion

The first step in the secretory pathway, from the ER to Golgi, is mediated by ( ).

The government ______ between the workers and the employers. A: mediated B: reconciled C: interfered D: involved

According to biologists, animal populations at a given time are _________ by food supplies at that time. A: governed B: sustained C: mediated D: manipulated

Communication between cells is mediated by cell signaling molecules and ( ). A: Cell receptor B: Antibody C: Enzyme D: Electric signal

The medicine ________ his pain but did not cure his illness. A: A) activated B: B) alleviated C: C) mediated D: D) deteriorated

Transformation of lysogenicity ( ). A: Participation by R plasmid B: Mediated by sexual fimbriae C: Participation by potent bacteriophage D: Participation by mild bacteriophage

We pray that all nations be________and that all people around the world live in peace. A: reconciled B: mediated C: intervened D: settled

A child stung by a bee experiences respiratory distress within minutes and lapses into unconsciousness. This reaction is probably mediated by() A: IgE antibody B: IgG antibody C: sensitized T cells D: complement E: IgM antibody

Solute movement by active transport can be distinguished from solute transport by equilibrating carrier mediated transport because active transport A: Is saturable at high solute concentration B: Is saturable at low solute concentration C: Is inhibited by other molecules with structures similar to that of the solute D: Moves the solute against its electrochemical gradient E: Allows movement of polar molecules