- Many probiotics fit into a "self-care" category along with vitamins and other supplements. Others are actually foods. None of these are regulated as drugs are. What flaws can creep into research by the companies with respect to these formulations?a. Drug companies do their own studies that they know will workb. Lack of true double-blind studiesc. Placebo effectd. None of thesee. All of these
- What colour precipitate do iron (III) ions (Fe3+) produce when reacted with sodium hydroxide solution?
- which of the following statements describes correctly both marine and terrestrial biomes?a. both marine and terrestrial biomes are defined by their dominant plants. b. both marine and terrestrial biomes are defined by their dominant animalsc. marine biomes are defined by their animals while terrestrial biomes are defined by their plantsd. marine biomes are defined by their plants while terrestrial biomes are defined by their animals
- The lack of exposure to microbes early in life is associated with the development of allergies and autoimmune diseases
- T/F among the 3 most major gases making up the atmosphere, Nitrogen is the element with the longest mean resident time
- What is the source of potable water if fresh water is in limited supply?
- Which of the following bacteria are not considered lactic acid bacteria?a. Leuconostocb. Bacillusc. Streptococcusd. Lactococcuse. Lactobacillus
- the number of repeat units in a polymer is the: ________________
- What is the symbol equation for the reaction of copper sulphate and sodium hydroxide?
- Which of the following are ways that infants develop their microbiome?a. During vaginal birthb. Through breast milk or formulac. From contact with motherd. From the environment, which may be cleaner some places than othere. All of thesed. Some of these
- _____ is the international agreement which regulates the emissions of ozone depleting substances (ODS) into the atmosphere and lead to the almost complete phasing out (>95% reduction) of their global emissions since 1980's.
- What needs to be removed from industrial waste water before if is released into the environment?
- T/F most of the ozone in the atmosphere is found in the stratosphere (>90%) while the rest is found in the troposphere
- When did algae first start to produce oxygen on Earth?
- Méthionine, MET ( forme et famille )
- Asparagine, ASN ( forme et famille )
- How does sulfur dioxide and oxides of nitrogen cause acid rain?
- Which two greenhouse gases has human activity increased?
- What is the output of flame emission spectroscopy?
- What organism carries out ethanolic fermentation