the human bodys main source of energy comes from

Ngày tải lên: 04/07/2014, 10:00

Ngày tải lên: 09/08/2014, 20:22

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Ngày tải lên: 29/03/2014, 13:20

Ngày tải lên: 07/08/2014, 23:22

... However, the supply of sunlight is limitless, and most of the poor countries of the world are in the tropics, where there is plenty of sunlight. The photovoltaic cell has another very important ... clean source of energy. The fossil fuels that we use today are the main source of the pollution in our atmosphere. Although many individuals and government have been reluctant to reduce their ... is already an important source of energy. In fact, it seems almost like magic. The photovoltaic cell changes sunlight directly into energy. Solar energy – energy from the sun – is clean, easily...

Ngày tải lên: 08/11/2013, 01:15

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 07/08/2014, 17:22

... all of the OLP epithelium. The count was performed by two investigators without knowledge of whether the samples were control or experimental. The total number of basal and suprabasal epithelial ... Negative controls consisted of omission of the primary or the secondary antibody or primary incubation in the presence of non-immunized rabbit serum instead of the primary antibody. Cell quantification ... OLP would require an increased immunolocalization of hMSH2. Therefore, the reduced expression of hMSH2 protein could make the epithelium of OLP more susceptible to DNA mutation, making it prone...

Ngày tải lên: 03/11/2012, 09:54

... applied to humans. The purpose of this paper is to consider the potential for applying the available genetic modification (GM) technologies to the goal of achieving human germline gene therapy. ... provide evidence of post-fertilisation transfer and maintenance of transgenes. Several of the studies report the subsequent generation of viable progeny animals, the cells of which contain ... variety of routes including pronuclear microinjection and SMGT [74, 75, 76]. In the context of human germline gene therapy, such vectors offer the potential advantage of eliminating the threat...

Ngày tải lên: 03/11/2012, 10:01

... learners’ evaluation of the ESP programme at Vinh University such as: the time allocation, the topics of the ESP reading texts, the length of the ESP reading texts, the amount of technical vocabulary ... 1 was designed to get the information about the learners: gender, age, the time of learning English, the thought of the importance of learning ESP, and the main purpose of learning ESP. 22 ... such as: the topics of the ESP reading texts, the length of the ESP reading texts, the amount of technical vocabulary contained in each ESP reading text, and grammar. A good point of the ESP...

Ngày tải lên: 17/04/2013, 09:22

... is the main problem of student who spend a lot of time and force for solving a problem, which can be solved with the help of PC faster. And all we know that computer literacy is on of the main ... we depend on other people. Causes The first cause of the problem of computer illiteracy is the lack of useful information in the course of information science. The second cause is unwillingness ... one of main problems of business students. Symptoms The main symptom of the computer illiteracy is an inability in computer working. For example, student cannot find necessary information the...

Ngày tải lên: 26/10/2013, 17:15

Ngày tải lên: 12/12/2013, 00:03

Ngày tải lên: 18/12/2013, 21:45

... sea waves are in the stage of potential assessment. Institute of Energy RURAL RENEWABLE ENERGY WEEK IN HANOI EXPERIENCE OF THE INSTITUTE OF ENERGY IN THE PREPARATION OF THE RENEWABLE MASTER ... Hydropower Energy ắ Technical potential > 4000 MW Geothermal energy and other types (tide, ocean waves ) ắ Potential of geothermal energy resources: 200- 340 MW. ắ The renewable energy type ... Evaluation of VN’s RE resources (small hydropower; biomass/biogas energy, bio- fuel, wind energy, solar energy, geothermal energy and tide) 3. The potential role of RE in the National energy supply –demand...

Ngày tải lên: 24/01/2014, 03:20

... II. The hood domain is mainly built up by residues from the C-terminus and consists of a two-stranded anti-parallel b-sheet composed of b2 and b9 and an a-helix from the C-terminus (Fig. 1A). The two ... atoms, whereas the side chain of Lys173 interacts with both O6 and N7 (Fig. 1C). The 2ÂOH of the ribose is hydro- gen bonded to the main chain and the side chain of Asp142 (Fig. 1C). Both hydroxyl groups of ... role, although the molecular basis for this activity remains to be eluci- dated. The elucidation of the structure of PRTFDC1 and the definition of its ligand binding specificity from a large metabolome...

Ngày tải lên: 15/02/2014, 01:20

... to the boisterous. Expert slavehunters, they mostly clothe themselves by the sale of their victims on the coast, though they do business by the sale of goats and grain as well. Nowhere in the ... on the derivation of this obviously triple word. The extent of the country, roughly speaking, stretches from the coast to the junction or bifurcation of the Kingani and its upper branch the ... speaking, they live upon the coast, and call themselves Diwans, headsmen, and subjects of the Sultan Majid; but they no sooner hear of the march of a caravan than they transpose their position,...

Ngày tải lên: 15/02/2014, 09:20

Ngày tải lên: 18/02/2014, 11:20

... Given that the roles of these residues definitely confirm each other, the dif- ference in their significance might be attributable to the importance and ⁄ or necessity of the receipt of the phenol-hydroxyl ... environments of BPA in the ligand-binding pocket of the ERRc. The proximity of each amino acid residue (within a distance of 5 A ˚ ) to BPA is shown in the boxes depicting the a -heli- ces. The portrait ... for the major role of Arg316 in arresting the ligand When the amino acid sequences of the LBD of all the NRs were aligned to that of ERRc, it became notice- able that 26 receptors among the total...

Ngày tải lên: 18/02/2014, 16:20

... interactions. The anticipated future enrichment of the structural data- base will further improve the predictive performance of the potential. Results The all-atom distance potential is constructed from the distribution ... approximated by the sum of the probabilities of observing the set intermolecular distances defined in the 3D structure, relative to the likelihood of encountering such distance in the dataset of all protein–RNA ... onto the RNA bases nearest the center of the b-sheet structure of the RRM. We then scored these sequence-variant structures with the distance- dependent potential function. Figure 2 shows the...

Ngày tải lên: 18/02/2014, 16:20