plural form of nouns exercises

... part of the world where there are no fossil flues, nuclear power is the only (alter) 157. Proper (maintain) of a car’s engine will preserve its performance and value. 158. The (install) of then ... mgazine (inform). It’s full of rubbish. 90.Rading newspapers every day is an effective means of keeping up with the (late) and (globe). 91. W website is a place where you can createand read (inform) ... problem extremely (difficulty) . 81.I’d like some (inform) about your school, please. 82.Waching TV has become one of the most populat forms of (entertain). 83.Nowaday, internet is (commerce) used....

Ngày tải lên: 20/09/2013, 12:10

Ngày tải lên: 16/10/2013, 11:15

Ngày tải lên: 14/12/2013, 16:45

Ngày tải lên: 21/12/2013, 00:15

Ngày tải lên: 26/12/2013, 01:18

... Excite exciting Excited/ ing Excitingly Hao hung 27. Explanation Explain Explanatory Giai thích form of WORD I. Thành lập danh từ chỉ ngời: V - er Teach/Teacher (giáo viên) Sing/ singer (ca sỹ) Farm/ ... instruction: hướng dẫn Compete/ competition: ctranh Prevent/ prevention: ngăn cản V-ation (Sự ) Form/ formation: thành lập Combine/ combination:kết hợp Determine/ determination: quyết định Concentrate/ ... Appear/ appearance: sự x.hiện guide/ guidance: sự hướng dẫn Assist/ assistance: sự giúp đỡ Perform/ performance: sự thực hiện allow/ allowance: sự cho phép attend/ attendance: sự có mặt V- ence...

Ngày tải lên: 22/01/2014, 00:20

... managed to kill the snake just at the time when I were almost exhausted. Supply the correct form of the verbs 1. Cats could fly if they (have) wings. 2. If Peter (study) harder, he would get ... would stay in bed for all day long. 6. If she made him change his mind, she would save him a lot of trouble. 7. I wish he would come tomorrow. 8. I wish it were a little warmer. I feel very cold. 9. ... would stay in bed for all day long. 6. If she ( make) him change his mind, she would save him a lot of trouble. 7. I wish he (come) tomorrow. 8. I wish it (be) a little warmer. I feel very cold. 9....

Ngày tải lên: 23/01/2014, 07:20

... biological function of the pro -form of bone morphogenetic protein-2 (BMP-2), a member of the transforming growth factor b (TGFb) ⁄ BLP superfamily. The role of the 263 amino acids of the pro-peptide ... non-covalent complex of the pro-peptide and BMP-9 can bind to the type I receptor Alk1 [17], the latency- associated polypeptide of TGFb inhibits the interac- tion of TGFb isoforms with type II ... BMP-2. To assess binding of proBMP-2 to BMPR-II, BIA- core experiments were performed using the ECD of BMPR-II linked to a Fc domain of human IgG (BMPR-II-Fc). After immobilization of the chimeric protein...

Ngày tải lên: 18/02/2014, 06:20

... with a stochiometry of 1 : 1 of dTTP bound per subunit of dCTP deaminase. Mutational analysis of amino acid residues involved in dTTP regulation of dCTP deaminase The design of the mutant enzymes ... methylation of dUMP, which is obtained via one of two parallel pathways. One path- way, considered to be a minor supplier of dTTP [1–3], involves the reduction of UDP (UTP) by the action of ribonucleotide ... movement of the lip formed by a helix 2 and b strand 5 [18]. Apparently, movement of the active site lip prevented binding of the C-terminal residues over the active site, or the absence of the C-terminal...

Ngày tải lên: 18/02/2014, 16:20

... also say that colossal emissions of “unknown form of energy” will arrive from the center of the Milky Way, which will change the fundamentals of the physics of our world, new material and immaterial ... Dec 2012 as a date of rebirth… beginning of a New Era which is result of crossing the solar meridian through the galactic equator and the alignment of Earth with the center of the Milky Way. ... embodiment of the Sacred Tree, (The Tree of Life), a tree which is remembered in most of the ancient spiritual traditions as alignment with the cosmic heart of the Galaxy, when some kind of opening...

Ngày tải lên: 19/02/2014, 03:20

... SH3 domain of Noxo1 participates in regulation of Nox3, the role of the PX domain in Nox3 activity remains unknown. In the process of cloning of human Noxo1, some spliced transcripts of the NOXO1 ... activity of the PX domains of Noxo1b and Noxo1c The membrane localization of Noxo1b is mediated in part by binding of the PX domain to membrane phos- pholipids [19]. Less association of Noxo1c ... the type of Nox; in activa- tion of gp91 phox ⁄ Nox2, Noxo1c is less active than Noxo1b even in the presence of PMA, whereas Noxo1c and Noxo1b support the superoxide- producing activity of Nox3...

Ngày tải lên: 19/02/2014, 06:20

... Ca 2+ ,  50% of pro-PO was activated after 45 min (lane 11). Under the same conditions, all of the 55-kDa zymogen form of Tm-mas had converted to 45-kDa Tm-mas by 45 min, in the presence of b-1,3-glucan ... lg protein of flow-through solution from Toyopearl CM-650 column; lane 2, 10 lg of soluble fat body protein; lane 3, 10 lg of soluble haemocyte lysate protein; lane 4, 10 lgofplasmaprotein;lane5,10 lg of ... Ca 2+ (lane 11 in Fig. 7B). The activation ratio of the 55-kDa zymogen form in the presence of b-1,3-glucan and Ca 2+ wasfasterthaninthe presence of Ca 2+ only (compare lane 6 with lane 11 in Fig....

Ngày tải lên: 21/02/2014, 03:20

... monomeric form at a level of 99.9%. Other parameters were also obtained: hydrodynamic radius of 16.78 A ˚ , average radius of 34.02 A ˚ and ratio of the shortest to the longest axis of 0.628. Kinetic ... enzyme. The catalytic mechanism of hydrolysis The fructose present in the crystal structure of the complex is the result of hydrolysis of raffinose. The conformation of the sugar observed in the ... performs a nucleophilic attack on the anomeric carbon of fructose. The leaving group is carboxylate of Asp54. Dimerization The asymmetric units of the crystals of both the apo and complexed form...

Ngày tải lên: 06/03/2014, 00:21

... hyperphosphorylated elongating isoform RNA pol IIO RNA pol II exists in a dynamic equilibrium between the hypophosphorylated initiation isoform IIA and the hyperphosphorylated elongating isoform IIO that exhibits ... Oulu and Department of Biochemistry, University of Oulu, Finland 2 Department of Biology, University of Joensuu, Finland 3 Biocenter Oulu and Department of Pathology, University of Oulu, Finland 4 ... phosphatase treatment, the cellular fraction of RNA pol II that associated with Pol e showed increased mobility, cor- responding to that of isoform IIA. The isoform IIO was also lost from RNA pol II...

Ngày tải lên: 07/03/2014, 11:20

... Characterization of PKI gamma, a novel isoform of the protein kinase inhibitor of cAMP- dependent protein kinase. J. Biol. Chem. 272, 18169–18178. 4. Gamm, D.M. & Uhler, M.D. (1995) Isoform-specific ... regulation of the PKI and PKI isoforms of the inhibitor protein of the cAMP-dependent protein kinase. J. Biol. Chem. 272, 20011–20020. 20. Byler, D.M. & Susi, H. (1986) Examination of the secondary structure ... Chaoneng Ji 2 1 Center of Analysis and Measurement and 2 State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, PR China The b form of human cAMP-dependent...

Ngày tải lên: 07/03/2014, 15:20

... thermal unfolding of proCPY. The P m value for CPY was higher than that of its unglycosylated form, though the DV and DG P values were almost the same. The P m value of proCPY was higher than that of its ... the activity of CPY are irreversible but those of proCPY are reversible [5]. These results support the view that the mature form, CPY, is composed of two independent domains the sensitivities of which ... and/or a more pro- nounced hydration upon unfolding of the unglycosylated form. At high pressure, in the glycosylated forms the carbohy- drate moiety of CPY and proCPY would be hydrated to compensate...

Ngày tải lên: 07/03/2014, 21:20

Ngày tải lên: 16/03/2014, 00:07

Ngày tải lên: 16/03/2014, 00:07

Ngày tải lên: 16/03/2014, 00:07

Ngày tải lên: 16/03/2014, 10:20