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提问人:网友ljiangman 发布时间:2022-01-07
[主观题]

A DNA library is

A、An international storehouse of all DNA data that has been collected to date

B、All the plasmids in a bacteria

C、All the genes in a bacteria

D、A collection of cloned DNA pieces

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更多“A DNA library is”相关的问题
第1题
总需求曲线AD是从IS-LM模型里推导出来的。()
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第2题
论述IS-LM曲线的政策含义,该模型对我国当前宏观经济的运行有何启示?
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第3题
阅读理解。???????An election year is one in which a...
阅读理解。
An election year is one in which all four numbers can be divided by four (1944, 1948, etc.). Since

1840, American presidents elected in years ending in zero have been noticed to die in office. William H.

Harrison, the man who served the shortest term, died of a kind of deadly illness several weeks after he

took office.

Abraham Lincoln was one of the four presidents who were murdered. He was elected in 1860, and

his death came just five years later.

James A Garfield, a former Union Army general from Ohio, was shot during his first year in office

(1881) by a man to whom he wouldn’t give a job.

While in his second term of office (1901), William McKinley, another Ohioan, attended the

Pan-American Exposition at Buffalo, New York. During the reception, he was killed while shaking hands

with some of the guests.

Three years after election in 1920, Warren G. Harding died in office. Although it was never proved,

many believed he was poisoned.

Franklin D. Roosevelt had been elected four times (1932, 1936, 1940, and 1944), the only man to

serve so long a term. He had suffered from poliomyelitis(小儿麻痹症)in 1921 and died of the illness in

1945.

John F. Kennedy, the last of the line, was shot in 1963, only three years after his election.

1. Which of the following was an election year?
A. 1962

B. 1928

C. 1890

D. 1846

2. _______ served the shortest term in office.
A. Abraham Lincoln

B. Warren G. Harding

C. William McKinley

D. William H. Harrison

3. Which of the following statements is true?
A. All presidents elected in years ending in zero died in office.

B. Only presidents from the state of Ohio have died in office.

C. President Abraham Lincoln died in the year of 1865.

D. Franklin D. Roosevelt completed four times as president.

4. How many presidents elected in years ending in zero since 1840 have died in office?
A. 7

B. 6

C. 5

D. 4

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第4题
--- How’s everything going?--- _______________.?A....
--- How’s everything going?

--- _______________.

A.Everything is finishedB.Not so bad, you know
C.Everything has been doneD.Not doing wrong, you know
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第5题
AD-AS模型的诞生意味着IS-LM模型的破产。()
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第6题
Peter won jackpot and he _______________ all the money within a year.

A、borrowed

B、found

C、withdrew

D、wasted

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第7题
Which of the following uses reverse transcriptase?

A、Making a genomic library

B、Making a cDNA library

C、Southern blotting

D、Restriction digestion

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