A、ATP-powered pumps.
B、ion channels.
C、protein translocons.
D、transporters.
A、ATP-powered pumps.
B、ion channels.
C、protein translocons.
D、transporters.
A、Because newspapers and TV have a larger coverage than weather reports.
B、Because weather reports are merely related to facts while newspapers and TV programs sometimes change even distort facts.
C、Because weather reports are more timely and accurate than public media.
D、Because newspapers and TV sometimes probably have an indirect effect on people’s moral standards but weather reports are unlikely to influence viewers’ morality.
A、special audience
B、tone
C、purpose
D、punctuations
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