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

2022-06-06

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

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

答案：

D

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.

内容

0
Which of the following statements about non-coding DNA is true ()? A: DNA sequences that do not encode proteins B: DNA sequences that do not encode RNA and proteins C: DNA sequence without function D: DNA sequence without phenotype after deletion [单选题][2分][难度3]
1
Which of the following statements about non-coding DNA is wrong? () A: DNA sequence of non-coding protein. B: DNA sequence of non-coding RNA and protein. C: DNA sequence participating in the regulation of gene expression, but not coding protein. D: Relate to genome protection.
2
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
3
Nothing about the accident ____________ to her. A: knew B: has known C: was known D: knows
4
Which of the following is true about the DNA samples? A: Sample 2 had more restriction sites than the other samples. B: Sample 1 is the smallest DNA fragment. C: Samples 4 and 3 are the same DNA fragment. D: Samples 1 and 2 are the same DNA fragment.