Which scientist is associated with the discovery of the structure of DNA? A. Watson and Crick B. Fermi C. Tesla D. Oppenheimer 相关知识点: 试题来源: 解析 A。沃森和克里克发现了 DNA 的结构。费米在核物理学方面有贡献;特斯拉在电学方面有贡献;奥本海默与原子弹的研发有关。本题考查对不同科学家...
a determination of the structure of DNA which, like the laser, required about 40 years before it became commonly known as the basis of genetic engineering. In today’s newspapers we read about genetic screening for common genetic abnormalities and how it is central to techniques in forensic...
What are the components and structure of a DNA nucleotide? What is the basic unit of DNA packaging in chromatin? What are the protein building structures contained in all cells? Which nucleic acid moves the code for protein synthesis from the nucleus to the ribosomes?
What are the components and structure of a DNA nucleotide? What is an anticodon of the transfer RNA for valine? Which monomers make up RNA? A nucleic acid strand contains the bases: Adenine, Guanine, Uracil, and Cystine. That molecule could not be a molecule of A. mRNA. B. tRNA. C....
They found that a collision between DNA polymerase and RNA polymerase triggered deleterious effects on the structure of the DNA template, including the formation of knots behind the replication fork. Ultimately, the cells exhibited incomplete replication of the plasmid and defective distribution of the ...
Horizontally, DNA stability is maintained by hydrogen bond between base pairs. E. Vertically, DNA stability is maintained by base stacking force. 查看完整题目与答案 【单选题】Which is the main form of DNA naturally: ___ A. A-DNA B. B-DNA C. E-DNA D. Z-DNA E. None of abo...
What structure (found in all cells) surrounds the cell membrane and gives support to the cell? What are membrane-enclosed compartments in eukaryotic cells called? What cells have a nucleus and membrane bound organelles? What are cell membranes composed of? W...
The three-dimensional structure of a pyrimidine-purine-pyrimidine DNA triplex containing an N7-glycosylated guanine (7G) in the third strand has been determined by NMR spectroscopy, restrained molecular dynamics calculations, and complete relaxation matrix refinement. Glycosylation of the guanine at the ...
Next, we sought to determine the role of eIF4GI in tSG formation. Because tSG formation is regulated by protein–protein interactions between SG formation components, we suspected that eIF4GI regulates tSG formation by its interaction with other factor(s) that are critical for SG formation. We...
What are the components and structure of a DNA nucleotide? When DNA helicase is active the result is? What enzyme produces a new DNA strand during DNA replication? Does DNA polymerase use a single-stranded DNA template? What is a DNA binding vesicant?