DNA: DNA is a very long, thin molecule that functions as the genetic information in all cellular life. A single DNA molecule is composed of millions of building blocks callednucleotides. Each nucleotide has three parts: 1) a five carbon sugar calleddeoxyribose, 2) anitrogen-containing bas...
If you start with one double-stranded DNA molecule and you perform six cycles of PCR, how many double-stranded copies of the DNA will you have? (a) 6 (b) 8 (c) 16 (d) 32 (e) 64 The term used to describe the arrangement of the individual strands...
百度试题 结果1 题目37 Which statements describe an allele?A an alternative copied during part of a DNA form of a gene cell division molecule A√J key B√=yes CX X = no DX 相关知识点: 试题来源: 解析 A 反馈 收藏
1. Helicase causes the DNA molecule to unwind and unzip2. hydrogen bonds between complementary bases break, causing the 2 parental DNAstrands to separate;3. single-strand DNA binding proteins bind to the 2 separated parental DNA strands;;4. to stabilise the single-stranded DNA formed;;5. Prim...
---One ribonucleotide(the unit of RNA) consists of one ribose,one phosphoric acid and one base(Adenine or Cytosine or Guanine or Uracil ); In that case,you can tell the differences between RNA and DNA.PS:Generally,DNA is a double-strand molecule .In contrast to DNA ,RNA is usually a ...
TransformationTransformation is the process by which a naked, foreign DNA molecule is takenup from the surrounding external environmentand integrated into the bacterium's genome, via homologous recombinationthus resulting in the change of recipient bacterial cell's genotype.The resultant transformant cell...
因此正确答案是A。 For about three centuries we have been doing science, trying science out, using science for the construction of what we call modem civilization. Every dispensable item of contemporary technology, from canal locks to dial telephones to penicillin, was pieced together from the ...
3. The mechanism of rolling circle replication。 点击查看答案 第5题 二、FILL IN: (20 points, 1point for each) 1. Any pi... 二、FILL IN: (20 points, 1point for each) 1. Any piece of DNA which replicates as a single unit is called a ( ). 2. Almost all RNA start sites ...
Molecular methods of species delineation are rapidly developing and widely considered as fast and efficient means to discover species and face the 'taxonomic impediment’ in times of biodiversity crisis. So far, however, this form of DNA taxonomy frequen
astructure of single-molecule DNA can exist B-helical, A-helical or Zhelical 唯一分子脱氧核糖核酸结构可能存在B螺线,螺线或者Zhelical [translate] aIf the Area Manager can identify and secure a suitable site for development of a new MBI Kindergarten, a bonus will be paid. 如果区域经理能辨认和...