Now scientists have found in the past few years ______ .
A: the exposure of DNA to the public is unnecessary
B: the tiny cell in DNA is a neat little machine
C: mart knows nothing about DNA
D: man has much to learn about DNA
A: the exposure of DNA to the public is unnecessary
B: the tiny cell in DNA is a neat little machine
C: mart knows nothing about DNA
D: man has much to learn about DNA
举一反三
- Which gene transfer technique involves a tiny needle which is used to inject DNA into a cell lacking that DNA sequence
- Which of the following statement about DNA polymerase of eukaryotes is NOT true: A: DNA pol α/primase are involved in initial synthesis of the nascent strand. B: DNA polδ and ε are mainly responsible for the synthesis of DNA chains. C: Replacement of DNA polymerase could happen during DNA synthesis process. D: There are five kinds of DNA pol：α、β、γ、δ and ε in eukaryotes
- In the last 500 years, nothing about people not their clothes, ideas, or languages has changed as much as what they eat.
- Children should be allowed to ____ those few years of innocence before they have to learn the truth about the real world.
- What do we learn about the number of international students in China in 2017? A: It has increased a little than 10 years ago. B: It is as three times as 10 years ago. C: It is the same as 10 years ago . D: It has more than doubled during the past 10 years.