百度试题 结果1 题目40 The diagram shows part of a DNA molecule. Where are the hydrogen bonds?D AB CD 相关知识点: 试题来源: 解析 D 反馈 收藏
Here we present a neuronal wiring diagram of a whole brain containing 5 × 107 chemical synapses7 between 139,255 neurons reconstructed from an adult female Drosophila melanogaster8,9. The resource also incorporates annotations of cell classes and types, nerves, hemilineages and predictions of ...
Here, we investigate the interactions between polyvalent cations and DNA using single-molecule magnetic tweezers. The measurements extend the existing, mostly structural, data on condensed DNA (21–2...
The term Nyquist diagram is used for a diagram of the line joining the series of points plotted on a polar graph when each point represents the magnitude and phase of the open-loop frequency response corresponding to a particular frequency. ...
DNA is a rather long molecule that is made of smaller pieces bonded together. These smaller pieces are called nucleotides and are made of three (3) individual parts: a nitrogenous base, phosphate group, and a sugar. A string of nucleotides that code for a trait (characteristic) is called ...
The nanopores only allow the passage of single-stranded DNA in a linear sequence. This method provides real-time analysis and can sequence nucleotides from short to ultra-long reads. Single-molecule detection methods like nanopore sequencing are included in the third generation of sequencing technologi...
2.6.A1Crick and Watson’s elucidation of the structure of DNA using model making. DNA分子有两条方向平行(antiparallel)的多核苷酸链组成,中间的碱基依靠氢键联系在一起,形成特殊的双螺旋结构。A与T以两个氢键结合(RNA中是A和U),G与C以三个氢键结合,这种结合方式叫碱基互补配对(complementary base pairing)(...
The sequence (order) of the amino acids is critically to the functionality of the protein. In order for this reaction to take place, ATP is necessary as an energy molecule. Anabolic reactions, such as dehydration synthesis, require energy to take place. Monomers are linked together through a ...
This process begins with the unwinding of the DNA molecule into single strands so that the enzymes and nucleotides participating in transcription have room to move to the scene. Then, along one of the DNA strands, a strand of mRNA is assembled with the help of the enzyme RNA polymerase. Thi...
Fig: Structure of DNA ModelProperties of DNAi. DNA helices can be right-handed or left-handed. But the B –conformation of DNA having the right-handed helices is the most stable and common type.ii. Denaturation of DNA: If a DNA molecule is exposed to a high temperature or titration ...