Which one of the following is not the characteristic of cardiacNa+ Channels?
A、very fast opening
B、responsible for initiating and propagating the action potential in fast response cells
C、threshold potential is –40mV
D、not Tetrodotoxin sensitive
A、very fast opening
B、responsible for initiating and propagating the action potential in fast response cells
C、threshold potential is –40mV
D、not Tetrodotoxin sensitive
A、Money will come and go
B、The good thing and the bad thing may be transformable
C、We should jump out of our comfort zone to try something new
D、The tradition can become the barriers of the new inventions
A.Computers perform. not only data processing function in business, but also are used as tools in
B.Problem-solving and decision-making
C.In performing certain data processing tasks, computers can process information more efficiently and effectively than humans
D.A company or individual must buy a computer system in order to be able to use one
A、If one receives a gift from others, he will offer back when it is suitable.
B、The recipient may refuse the gift at the first, second or even third offerings before accepting.
C、The recipients usually won’t open gifts in front the givers immediately.
D、Watches or clocks are suitable gifts for the seniors.
A、anaplastic carcinoma
B、follicular carcinoma
C、multinodular carcinoma
D、medullary carcinoma
A、The Winged Victory
B、Mona Lisa
C、The David
D、Nympheas
Being one of our best teachers,he is often____by us. |
[ ] |
A.referred to B.devoted to C.stuck to D.reduced to |
A、Fast Na+ Channels
B、Slow Ca2+ Channels
C、Presence of actin and myosin
D、Na+-K+ pump
A、30/min
B、50/min
C、75/min
D、100/min
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