Eating sweet foods produces acid in the mouth

Eating sweet foods produces acid in the mouth

... Eating sweet foods produces acid in the mouth, which can cause tooth decay. (High acid levels are measured by low pH values) Describe the information below and discuss the implications ... the mouth to dangerous levels. When the pH level in the mouth is kept above 5.5, acidity is such that teeth are unlikely to be in danger of decay. Sweet foods, how...

Ngày tải lên : 04/10/2012, 10:02

2
707
1

Acid in the environment lessons learned and future prospects ertu

... negotiations on acid rain, with little achieved in addressing the transboundary complaints contin- uously voiced by the Canadian government. The passage of the 1990 CAAA in the United States and the negotiation ... cause acid rain? In Chapter 7, " ;The Politics of Acid Rain in Europe," Miranda Schreurs provides a historical overview of the evolv- ing rec...

Ngày tải lên : 16/03/2014, 11:43

330
338
0

Báo cáo Y học: A polymer with a backbone of 3-deoxy-D-glycero -D-galacto -non-2ulopyranosonic acid, a teichuronic acid, and a b-glucosylated ribitol teichoic acid in the cell wall of plant pathogenic Streptomyces sp. VKM Ac-2124 pdf

... based on the integral intensities of the signals in the 1 H NMR spectrum. It is likely that the percentages of the teichuronic acid, the Kdn-containing polymer, and the ribitol teichoic acid are ... teichoic acid (III). The percentage of the teichoic acid ( 10 % mass of the cell wall) was calculated from the content of the teichoic acid- linked phosphorus (...

Ngày tải lên : 17/03/2014, 10:20

6
561
0

Báo cáo khoa học: An enzymatic mechanism for generating the precursor of endogenous 13-cis retinoic acid in the brain docx

... communication. The results obtained in the present study also showed pre- dominant expression of 13cIMH in the brain, further supporting its proposed role in the modulation of neuronal function. The present ... obtained showed that the RPE65 mRNA was predominantly expressed in the eye and at lower levels in the brain. By contrast, the 13cIMH mRNA was detected at hi...

Ngày tải lên : 29/03/2014, 00:20

15
357
0

Báo cáo y học: Esterified Hyaluronic Acid and Autologous Bone in the Surgical Correction of the Infra-Bone Defects"

... study the osteoinductive effect of the hyaluronic acid (HA) by using an esterified low-molecular HA preparation (EHA) as a coadjuvant in the grafting processes to produce bone-like tissue in the ... R: gingival recession, i.e. the position of the gin-gival margin with respect to the cement enamel junction (CEJ); • CAL (clinical attachment level): i.e. the position of...

Ngày tải lên : 03/11/2012, 11:35

7
769
0

NEW FOODS IN THE SOUTHERN NEW WORLD

... elsewhere in the Americas and, in fact, even after the conquest they were slow to move about despite the wide range in which they can grow, and despite their health-giving properties. Of the world’s ... shers, and gatherers began to specialize in growing the grain. By about 1,000 BCE , maize cultivation had spread into the Amazon region and to the Orinoco ﬂ oodplai...

Ngày tải lên : 01/11/2013, 11:20

8
460
0

Tài liệu Báo cáo khoa học: Interruption of triacylglycerol synthesis in the endoplasmic reticulum is the initiating event for saturated fatty acid-induced lipotoxicity in liver cells pdf

... divided in two phases according to the intensity and the duration of the stress. An initial adaptive response culminates in the temporary inhibition of protein synthesis, providing cells with the ... synthesis was initially hindered following stearate administration and was completely interrupted at longer incubation periods. Interestingly, the interruption of TAG synthesis...

Ngày tải lên : 14/02/2014, 22:20

12
721
0

Tài liệu Báo cáo khoa học: A genetic screen identifies mutations in the yeastWAR1 gene, linking transcription factor phosphorylation to weak-acid stress adaptation docx

... DNA-binding zinc cluster at the N-terminus, whereas the acidic activation domain is usually present at the C-terminus. The middle homology region (MHR) bridging the DNA-binding and the activation ... strain carrying the lacZ gene driven by the PDR12 promoter integrated into the ura3 loci of two different genetic backgrounds, creating the strains YCS12ZI and YAK3. These...

Ngày tải lên : 19/02/2014, 00:20

14
627
0

Tài liệu Báo cáo khoa học: A novel coupled enzyme assay reveals an enzyme responsible for the deamination of a chemically unstable intermediate in the metabolic pathway of 4-amino-3-hydroxybenzoic acid inBordetellasp. strain 10d doc

... analysis, and the determination of released ammonia. The coupled enzyme assay revealed the mechanism of the deamination reaction and the subsequent metabolism, including the deamination step. The product ... 4.2-kb fragment does not contain the gene encoding the deaminase reported here. In the cloned 5.2-kb fragment from P. pseudo- alcaligenes JS45, there are no genes in...

Ngày tải lên : 19/02/2014, 16:20

7
613
1

Tài liệu Báo cáo khoa học: Crystal structure of thiamindiphosphate-dependent indolepyruvate decarboxylase from Enterobacter cloacae, an enzyme involved in the biosynthesis of the plant hormone indole-3-acetic acid doc

... family. The majority of residues contributing to these interfaces is located in the PYR and middle domains. The interface contains 10 hydrogen bonds in IPDC. The dimer–dimer interface in IPDC ... density for the long loop connecting the middle and the C-terminal domains (residues 342–355) and these residues were not included in the model (Fig. 4, 7 lowercase). The an...

Ngày tải lên : 20/02/2014, 11:20

10
557
0