the role of communication in agricultural development in nigeria

... total employment in a size class at the end of the year less total employment in the size class at the beginning of the year. The numbers presented in this section were generated by the U.S. Census ... longitudinal data from individual firms. 4 The job figures presented in Chart 1 classify firms into size classes based on their size at the beginning of the period, which favors a finding of higher ... Finally, many of the largest firms operate in industries in which only a few firms operate or dominate the market. For the most part, these firms do not compete with one another on the basis of...

Ngày tải lên: 06/03/2014, 19:20

... Effects of active immunization of sheep against an amino terminal peptide of the inhibin αC subunit on intrafollicular levels of activin A, inhibin A and follistatin. Journal of Endocrinol- ogy ... Erk signalling pathways in mediating the effects of the gonadotropins and IGF on follicle cell function and on follicular development. The stimulation of inhibin-A, activin-A, follistatin, oestra- diol, ... assess the equal transfer of the proteins from the gel to the mem- brane. TBS-Tween was used to destain the membrane, which was then blocked in 5% Marvel in TBS-Tween for 1–2 h. The blocking solution...

Ngày tải lên: 20/06/2014, 07:20

Ngày tải lên: 31/03/2014, 14:20

... throughout the world bears little resem- blance to teosinte, the original ancestor of corn. The newer techniques involv- ing genetic engineering, on the other hand, allow for the transfer of a few genes ... create signiịcant changes in the genetic makeup of plants and animals due to the random recombination and sorting of thousands of genes. As a result of intervention by people, the hybrid seed corn ... commercially introduced in the U.S. in 1996 and have been rapidly adopted by farmers. It has been estimated that 24% of the corn and almost 70% of the soybeans and cotton grown in the U.S. in 2001...

Ngày tải lên: 25/10/2013, 21:20

... at the value determined from the amino acid sequence (45 320 Da). Measurement of the K d of PLP binding equilibrium PLP binding equilibria were analyzed taking advantage of the protein intrinsic ... to explain the increase of the dissociation constant of the monomer–dimer equilibrium determined by the muta- tions. The results obtained in the present study also show that the monomeric form of the ... binding properties The affinity of wild-type and mutant forms for the cofactor was measured to evaluate the impact of the mutations on the structure of the PLP binding site. Because PLP binding...

Ngày tải lên: 07/03/2014, 03:20

... of GSK3 (using Li or SB-415286) appears to be sufficient for inducing activation of GS in muscle and fat cells, and that inhibition of the kinase potentiates insulin action in muscle of insulin-resistant ... (1994) The inhibition of glycogen synthase kinase-3 by insulin or IGF-1 in the rat skeletal muscle cell line L6 by wortmannin, but not rapamycin: evidence that wort- mannin blocks activation of the ... phosphatidylinositol 3-kinase, p70, S6 kinase and glycogen synthase kinase-3 activity in L6 muscle cells: evidence for the involvement of the mammalian target of rapamycin (mTOR) pathway in the L -leucine-induced up-regulation...

Ngày tải lên: 08/03/2014, 08:20

... group is given in Table 1. Following the tabulation of data, the results were offered to the participants upon request using the reference numbers they were assigned at the time of the study. Materials Materials ... minimal reference to the outline during recording. The first part of the lecture covered definitions of terms and a brief history of ceramics, which tended to be done in narrative form. Most of ... very specific interpretation of the meaning of lecture. Having examined over 20 definitions of the word, we conclude that a lecture can be directed to one person, as in Mother lectured me for an hour on the...

Ngày tải lên: 10/03/2014, 05:20

... collecting loan repayments. Another promising track for savings banks is to invest their savings deposits in microfinance institutions by specialising  in wholesale lending to microfinance institutions ... group of savings banks. By capturing and channelling more of the remittances into the financial system and intermediating the flow of the resources, savings banks contribute to leveraging the ... out of the savings banks movement, have done a   Bringing the Hidden Giants to the Footlight: the Role of Savings and Retail Banks in Increasing the Level of Access to Financial Services Chris...

Ngày tải lên: 15/03/2014, 10:20

... likely that the increased rate of 13 C label incorporation into the C6 position of glycogen in the ADM group is indicative of activated 6-phosphofructo-1-kinase, which can lead to increased 13 C labeling ... labeling at the triose level. Such a mechanism can lead to increases in labeling of glycogen C6 even in the presence of decreased activity of the indirect pathway, provided that the increase in glycolytic ... achieved in the intact liver in vivo. The importance of the detection of label incorporation into glycogen C6 while infusing [1- 13 C]glu- cose can be appreciated from the fact that this labeling pattern...

Ngày tải lên: 17/03/2014, 17:20

... derivatives thereof, while maintaining the hydrophobicity of the binding site. To test the effect of the mutations on the specificity for phenylacetylated substrates, the steady-state kinetic param- eters ... k cat represents the rate of acylation and K m equals the binding constant of the substrate to the free enzyme. The results then indicate Ó FEBS 2002 Role of active-site phenylalanines in penicillin acylase ... kinetic parameters of the enzyme determine the yield of the product. The two most important parameters are (a) the rate of conversion of the substrate (acyl donor) vs. the rate of conversion of...

Ngày tải lên: 17/03/2014, 23:20

... Russell Investments // Role of bank loans in a rising rate environment / p 7 Bank loans in rising interest rate environments In the past 20 years (since 1992), there have been three periods of significant ... surprise. The duration of the Credit Suisse Leveraged Loan Index is significantly lower than durations in the traditional fixed income asset classes, reflecting the prevalence of floating rate instruments ... rising interest rates Russell Investments // Role of bank loans in a rising rate environment / p 3 Exhibit 1 / Historic monthly returns (%) of the Credit Suisse Leveraged Loan Index (as of...

Ngày tải lên: 22/03/2014, 17:20

... apolar side chain of F331. Thus, the increment in the pK a of E399, in addition to it being closer to E187, may have resulted in a large shift in the pK a of E187. Changes in the dielectric constant ... m M Bicine buffer 7.0–8.5). The pH stability of Sfbgly50 was checked by incubation in the same buffers for a time equal to the assay time and then determining the activity remaining at the optimum ... [10,12]. Nevertheless, it is not possible to assume that the same is occurring in the mutant R97M, because there is no data on the interactions between the substrate and the arginine residue. Finally, another...

Ngày tải lên: 23/03/2014, 15:21

... after 3 min and then declined, while the formation of [ 3 H]ATP was increased linearly with time within the first 15 min. After 30 min, the reaction reached equilibrium (Fig. 4A). Further experiments ... (d)CMP. Discussion The aim of the present study was to define the role of Ureaplasma NMPKs in the synthesis of nucleo- side triphosphates. Four Ureaplasma NMPKs were cloned, expressed and the recombinant enzymes ... cul- tured in the presence of tritium-labelled deoxycytidine or thymidine, even though > 20% of the radioacti- vity was recovered in the DNA fraction, indicating a very low dNTP pool in Ureaplasma...

Ngày tải lên: 30/03/2014, 08:20

... between the questionnaire and observation ratings of 0.49 for frequency of lifting, carrying, and transferring 6–15 kg. Concerning the frequency of lifting, carrying, and transferring 6–15 kg, the ... 1.1–6.1 Kneeling/squatting and lifting/carrying combined c Both no kneeling/squatting and no lifting/carrying 65 22.0 137 41.9 1.0 - 1.0 - Kneeling/squatting >0 – <870 hrs. or lifting/carrying >0 ... number of squatting and the duration of kneeling work. D'Souza et al. [20] examine the relation- ship between the daily amount of kneeling and knee oste- oarthritis in the subset of participants...

Ngày tải lên: 20/06/2014, 00:20

... the greatest impact on the system because of the amount of salt and surfactants they transport, occur rather infrequently within the total number of samples examined. Finally, ... susceptible to the absorption and accu- mulation of NaCl. The levels of Cl - in the pine needles are related to the concentra- tion of salt in the solution, whether the solu- tion ... resistance to the action of aerosols is the result of the strength of the structures protecting the leaf, and increases with sclerophyllia and with the thickness of the cuticle. ACKNOWLEDGEMENTS The...

Ngày tải lên: 08/08/2014, 19:21

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