搜索结果: 1-13 共查到“生物学 mammals”相关记录13条 . 查询时间(0.109 秒)
Changes in conservation planning can benefit vulnerable mammals
Changes conservation planning vulnerable mammals
2017/7/24
Right now, a prairie dog in Colorado is busy increasing soil carbon retention, increasing water infiltration, and clipping vegetation that will help maintain local grasslands and provide nut...
Infectious disease transmission in fish,mammals,other animals has implications for humans
Infectious disease transmission fish mammals other animals implications for humans
2017/4/27
Scientists once thought that being part of a community would protect animal populations from infectious disease outbreaks, but now they've learned otherwise, according to a study published this week i...
Changing Views of Evolutionary Factors at Work on Earliest Mammals
Changing Views Evolutionary Factors Earliest Mammals
2016/11/29
Using 3D-printed replicas of 200-million-year-old mammal teeth and polymers that mimic insect prey, scientists at the University of Massachusetts Amherst this week provide the first laboratory-tested ...
Protein Evolution in Different Cellular Environments: Cytochrome b in Sharks and Mammals’
Cellular Environment Sharks and Mammals’
2015/12/17
DNA sequences for the mitochondrial cytochrome b gene were determined for 13
species of sharks. Rates and patterns of amino acid replacement are compared for
sharks and mammals. Absolute rates of ...
Over the last 50 years, international public concern regarding human impact on the environment has increased drastically. Specific to the maritime domain, attention has more acutely focused during the...
The retroviruses which gave rise to HIV have been battling it out with mammal immune systems since mammals first evolved around 100 million years ago – about 85 million years earlier than previously t...
《The Descent of Man, and Selection in Relation to Sex》Chapter XVIII Secondary Sexual Characters of Mammals, continued
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
QUADRUPEDS use their voices for various purposes, as a signal of
danger, as a call from one member of a troop to another, or from the
mother to her lost offspring, or from the latter for protectio...
《The Descent of Man, and Selection in Relation to Sex》Chapter XVII Secondary Sexual Characters of Mammals
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
WITH mammals the male appears to win the female much more through
the law of battle than through the display of his charms. The most
timid animals, not provided with any special weapons for fighti...
摘要
人类遗传病的治疗越来越依赖于基因水平上的治疗，但外源基因不能在哺乳动物中持续表达的缺陷严重阻碍了这一手段的快速发展。含有转座子载体的染色体基因组整合，裸露质粒DNA转化到肝脏的压力输送，或是在质粒载体中插入真核基因的顺式作用元件如内含子、3’端非翻译区、EBV序列等，都可以在一定程度上赋于外源基因以长期持续的表达，这些策略对于基因治疗的发展具有重要的意义。
Abstract: Gene ...
Notes on the Mammals Found in Kazdağı National Park and Its Environs
Mammalia distribution Kazdağ ı National Park north-west Anatolia Turkey
2010/3/26
The present study is based on species collected and observed in Kazdağı National Park and its surroundings. Field collections yielded 40 mammal species from 6 orders: Insectivora (4), Chirop...
Microsatellite Sequences of Mammals and Their Applications in Genome Analysis in Pigs - A Review
Eukaryotic-genome Microsatellites Pigs Genetic-analysis Linkage Parentage-testing
2016/4/12
The microsatellites are the short tandem repeats of 1 to 6 bp long monomer sequences that are repeated several times. These short tandem repeats are considered to be generated by the slipped strand mi...
Dermal Efficacy of Bendiocarb on Mammals, Used For Mosquito Control in Çukurova
Bendiocarb, Dermal Cholinesterase, Rat Mosquito control
2010/3/31
Inhibitory effect of bendiocarb on serum and whole blood cholinesterase activities of rats was investigated in laboratory conditions, bendiocarb a carbamate insecticide, was applied dermally to the ra...
A Computer Programme for Determining Habitat Preference Based on Dung Frequencies of Some Herbivore Mammals
Dung Counts Red deer Hare Wild boar Habitat selection Component combination Computer programme
2010/3/31
The classic approach for habitat preference of big games is to compare dung density in two different site such as in two habitat types and aspects, or in two altitute or slope classes. Whereas, animal...