Internal control activities

Vietnam has about 14.816 active agricultural cooperatives, making for 65.23% of all cooperatives in the country. Agricultural cooperatives play an unchangeable economic and social role. However, despite their importance, most Vietnamese agricultural cooperatives are small sized, and only 2% of them have access to formal credit, which hindering enormously their development.

16p toduongg 24-08-2024 0 0   Download

After completing this chapter you should be able to: Define fraud and internal control, identify the principles of internal control activities, explain the applications of internal control principles to cash receipts, describe the operation of a petty cash fund,...and other contents.

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The myotonic dystrophy protein kinase polypeptide repertoire in mice and humans consists of six different splice isoforms that vary in the nature of their C-terminal tails and in the presence or absence of an internal Val– Ser–Gly–Gly–Gly motif. Here, we demonstrate that myotonic dystrophy protein kinase isoforms exist in high-molecular-weight complexes controlled by homo- and heteromultimerization.

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Altered protease activity is considered important for tumour invasion and metastasis, processes in which the cysteine proteases cathepsin B and L are involved. Their natural inhibitor cystatin C is a secreted protein, suggesting that it functions to control extracellular protease activity.

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The project builds on recommendations on delivery of biocontrol options to Vietnam identified by CABI and UNEP (Jenkins and Vos, 2000. Delivery of Biocontrol Technologies to IPM Farmers: Vietnam. UNEP/CABI Critical Issues Case Studies. CAB International/UNEP publication). The activities will consist of a workshop on biopesticide selection and identification, biopesticide production and product quality control, and on application and integration into farming systems.

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Diabetes Mellitus Alterations in glucose control and changes in insulin requirements are common problems among patients with diabetes who travel. Changes in time zone, in the amount and timing of food intake, and in physical activity demand vigilant assessment of metabolic control. The traveler with diabetes should pack medication (including a bottle of regular insulin for emergencies), insulin syringes and needles, equipment and supplies for glucose monitoring, and snacks in carryon luggage. Insulin is stable for ~3 months at room temperature but should be kept as cool as possible.

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An underlying maternal folate metabolic abnormality has also been postulated. One abnormality has been identified: reduced activity of the enzyme 5,10-methylene-THF reductase (MTHFR) (Fig. 100-1) caused by a common 677CÆT polymorphism in the MTHFR gene. In one study, the prevalence of this polymorphism was found to be higher in the parents of NTD fetuses and in the fetuses themselves: homozygosity for the TT mutation was found in 13% compared with 5% in control subjects. The polymorphism codes for a thermolabile form of MTHFR.

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General Classes of Cancer Genes There are two major classes of cancer genes. The first class comprises genes that directly affect cell growth either positively (oncogenes) or negatively (tumor-suppressor genes). These genes exert their effects on tumor growth through their ability to control cell division (cell birth) or cell death (apoptosis). Oncogenes are tightly regulated in normal cells. In cancer cells, oncogenes acquire mutations that relieve this control and lead to increased activity of the gene product.

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Chemoprevention of Breast Cancer Hormonal manipulation is being tested in the primary prevention of breast cancer. Tamoxifen is an antiestrogen with partial estrogen agonistic activity in some tissues, such as endometrium and bone. One of its actions is to upregulate transforming growth factor β, which decreases breast cell proliferation. In randomized placebo-controlled trials to assess tamoxifen as adjuvant therapy for breast cancer, tamoxifen reduced the number of new breast cancers in the opposite breast by more than a third.

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Harrison's Internal Medicine Chapter 65. Gene Therapy in Clinical Medicine Gene Therapy in Clinical Medicine: Introduction Gene transfer is a novel area of therapeutics in which the active agent is a nucleic acid sequence rather than a protein or small molecule. Because delivery of naked DNA or RNA to a cell is an inefficient process, most gene transfer is carried out using a vector, or gene delivery vehicle.

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Transcriptional Activation and Repression Every gene is controlled uniquely, whether in its spatial or temporal pattern of expression or in its response to extracellular signals. It is estimated that transcription factors account for ~30% of expressed genes. A growing number of identified genetic diseases involve transcription factors (Table 62-2). The MODY (maturity-onset diabetes of the young) disorders are representative of this group of diseases; mutations in several different islet cell–specific transcription factors cause various forms of MODY (Chap. 338).

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Pathways that control erection and detumescence. A. Erection is mediated by cholinergic parasympathetic pathways, and nonadrenergic, noncholinergic (NANC) pathways, which release nitric oxide (NO). Endothelial cells also release NO, which induces vascular smooth-muscle cell relaxation, allowing enhanced blood flow, and leading to erection. Detumescence is mediated by sympathetic pathways that release norepinephrine and stimulate α-adrenergic pathways, leading to contraction of vascular smooth-muscle cells. Endothelin, released from endothelial cells, also induces contraction.

5p ongxaemnumber1 29-11-2010 63 4   Download

Differential Diagnosis Dyspnea is the consequence of deviations from normal function in the cardiopulmonary systems. Alterations in the respiratory system can be considered in the context of the controller (stimulation of breathing); the ventilatory pump (the bones and muscles that form the chest wall, the airways, and the pleura); and the gas exchanger (the alveoli, pulmonary vasculature, and surrounding lung parenchyma). Similarly, alterations in the cardiovascular system can be grouped into three categories: conditions associated with high, normal, and low cardiac output (Fig. 33-2).

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Pain transmission and modulatory pathways. A. Transmission system for nociceptive messages. Noxious stimuli activate the sensitive peripheral ending of the primary afferent nociceptor by the process of transduction. The message is then transmitted over the peripheral nerve to the spinal cord, where it synapses with cells of origin of the major ascending pain pathway, the spinothalamic tract. The message is relayed in the thalamus to the anterior cingulate (C), frontal insular (F), and somatosensory cortex (SS). B. Painmodulation network.

5p ongxaemnumber1 26-11-2010 77 4   Download