Nutrition & You (3rd Edition)
3rd Edition
ISBN: 9780321910400
Author: Joan Salge Blake
Publisher: PEARSON
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Chapter 8, Problem 9TF
Chromium can help you build bigger muscles and stay lean when you are lifting weights.
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- Polonium is a rare element with 33 radioisotopes. The most common one, 210Po, has 82 protons and 128 neutrons. When 210Po decays, it emits an alpha particle, which is a helium nucleus (2 protons and 2 neutrons). 210Po decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. For example, they can be stopped by a single sheet of paper or a few inches of air. That is one reason that authorities failed to discover toxic amounts of 210Po in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of 210Po become after it emits an alpha particle?arrow_forward_______ is (are) a good source of omega-3 fatty acids that can reduce the risk of heart disease. a. Oatmeal b. Legumes c. Fish d. Com syruparrow_forwardAll of the following except ________ are building blocks or energy sources in cells. a. fatty acids b. simple sugars c. lipids d. amino acids e. nucleotidesarrow_forward
- Alchemists were the forerunners of modern-day chemists. Many of these medieval scholars and philosophers spent their lives trying to transform lead (atomic number 82) into gold (atomic number 79). Explain why they never succeeded.arrow_forwardPolonium is a rare element with 33 radioisotopes. The most common one, P210o, has 84 protons and 126 neutrons. When P210o decays, it emits an alpha particle, which is a helium nucleus 2 protons and 2 neutrons. P210o decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. For example, they can be stopped by a single sheet of paper or a few inches of air. That is one reason why authorities failed to discover toxic amounts of P210o in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of P210o change into after it emits an alpha particle.arrow_forwardUnlike saturated fats, the fatty acid tails of unsaturated fats incorporate one or more ________. a. phosphate group c. double bonds b. glycerols d. single bondsarrow_forward
- Which of the following is not an example of an energy transformation? turning on a light switch solar panels at work formation of static electricity none of the abovearrow_forwardCellulose and starch are examples of______. a. monosaccharides b. disaccharides c. lipids d. polysaccharidesarrow_forwardDixie Bee wanted to make JELL-O shots for her next party, but felt guilty about encouraging her guests to consume alcohol. She tried to compensate for the toxicity of the alcohol by adding pieces of healthy fresh pineapple to the shots, but when she did, the JELL-O never solidified. What happened? Hint: JELL-O is mainly sugar and a gelatinous mixture of proteins.arrow_forward
- Phospholipids are important components of_______. a. the plasma membrane of cells b. the ring structure of steroids c. the waxy covering on leaves d. the double bond in hydrocarbon chainsarrow_forwardPolonium is a rare element with 33 radioisotopes. The most common one, 210Po, has 82 protons and 128 neutrons. When 210Po decays, it emits an alpha particle, which is a helium nucleus (2 protons and 2 neutrons). 210Po decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. They can be stopped by, for example, a sheet of paper or a few inches of air. This property is one reason why authorities failed to discover toxic amounts of 210Po in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of 210Po decay into after it emits an alpha particle?arrow_forward_______ groups are the acid part of amino acids and fatty acids. a. Hydroxyl (OH) b. Carboxyl (COOH) c. Methyl (CH3) d. Phosphate (PO4)arrow_forward
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