葡萄糖和氨基酸等分子量大的小分子不能自由通过核孔进行被动运输。
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21三体综合症又称唐氏综合症，患者比正常人多了一条21号染色体。
A. 对
B. 错
How do shares give wealth to shareholders?
A. By paying annual dividends only
By rising in price only
C. By a combination of annual dividends and share price rises
D. By entitling the shareholder to votes
Which of the following, in theory, determines the price of a share?
A. It will be the same as its EPS
B. It will be the same as the price it was sold at when the share was issued
C. The discounted present value of the expected future earnings of the firmdivided by the number of shares in issue
D. The value of this year's dividend
Which of the following best describes the risk-free rate?
A. The rate of interest on a loan
B. The rate of dividend on a preference share
C. The minimum return that a shareholder will accept on a company's shares
D. The minimum return a shareholder will accept to compensate for tying their money up and suffering loss of value due to inflation.
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