One of the most surprising findings from randomized controlled trials on vitamin D is that: a. Vitamin D does not prevent fractures b. Vitamin D prevents colds c. Vitamin D prevents cancer
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One of the most surprising findings from randomized controlled trials on vitamin D is that:
a. Vitamin D does not prevent fractures
b. Vitamin D prevents colds
c. Vitamin D prevents cancer
Give typing answer with explanation and conclusion
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- The experiments with nutritional mutants in Neurospora by Beadle and Tatum provided evidence that a. bread mold can be grown in a lab on minimal media. b. X-rays can damage DNA. c. cells need enzymes. d. genes specify enzymes.a) List three biomaterials that are used in cancer diagnosis and therapeutic.b) List three biomaterials that are used in scaffold applications.A study of the effects of vitamin D in the body has shown that persons with lower levels of vitamin D are more likely to have chronic diseases such as cardiovascular disease, breast cancer, colds, and flu. Can you conclude that vitamin D prevents these chronic diseases? What other possible explanations for this correlation can you suggest?
- Which of the following statements is consistent with the figure above, and the information presented so far? Question 14 options: a) Wild type (WT) mice are unable to regulate their body temperature. b) In the presence of UCP1, heat is produced by the brown adipose tissue (BAT). c) UCP1 is a protein that decreases the body temperature. d) In the absence of UCP1, mice are unable to maintain their body temperature. e) B and DBased on the information scientists and doctors have been able to collect, compare embryonic stem cells to induced pluripotent stem cells (iPSCs), then choose which statement below correctly describes these two types of stem cells. a. They are equivalent. b. iPSCs have more potency than embryonic stem cells. c. Embryonic stem cells are far more potent than iPSCs d. Both embryonic stem cells and iPSCs are totipotent.Mehran has heard from some of his teammates on the football team that taking creatine as a supplement during training will improve his muscle mass. He decides to test this hypothesis through an experimental study. What would be the best control group for this study?
- hGH is an important part of fat metabolism, muscle development, and bone growth. Synthetic hGH can be used to treat children and adults suffering from hGH deficiency. More recently, competitive athletes have began taking hGH in an attempt to improve athletic performance. The use of hGH for athletics is banned by many major sporting organizations. A recent study of 44 athletes who took daily injections of hGH over 20 days showed that, on average, the athletes gained 4.2 lbs of muscle, but the gain in muscle did not translate to increased athletic performance.Evaluate each statement regarding the use of hGH by competitive athletes to determine whether the statement is an example of an ethical, economical, societal, or environmental issue. Athletes who play professional sports should be encouraged to take synthetic hormones to improve performance because their job is to win. Athletes who took hGH did not improve their sport performance but did improve their appearance and marketability.…The primary role of the B-vitamins is to? A. Act as coenzymes B. Relieve stress C. Give us energy D. Act as cofactorsScientists and nutritionists have long suspected that high-fructose corn syrup, used to sweeten soft drinks, is one of the causes of childhood obesity. In a recent study, at the University of Cincinnati, researchers found that mice that drank water with added fructose ate less solid food, gained more weight, and put on 90% more body fat than mice that drank only water. Scientists concluded that fructose may cause the body to store fat. What is the control used in this experiment?
- You are a researcher seeking to determine if an experimental drug can effectively treat hyperglycemia, a condition characterized by excess glucose in the blood, often associated with Type I diabetes. You select 24 hyperglycemia patients to study, and you give half of them a pill containing the drug you are testing and the other half a placebo (a pill that lacks the drug ingredient). After an evening of fasting, you measure the amount of glucose in their blood the next morning. Write the null and alternative hypotheses appropriate for your study. Which treatment is your control group, and why does your experimental design require a control group? Describe the structure of a carbohydrate, and what are the functions of carbohydrates in the body? What test that we have used before in lab could you use to measure the amount of glucose in their blood? Describe how you would use this test to measure the amounts of glucose in their blood serum samples. Identify the dependent variable…Which of the following is true? Select all that apply. a) Individuals who are lactose persistent continue to produce the enzyme lactase into adulthood b) Lactose intolerant individuals will become ill when digesting dairy products c)The rise of lactose intolerance is correlated with increased sales of milk products d) Lactose persistent individuals may still have other problems drinking milks, such as an allergy e) Lactose intolerance is not a genetic trait, rather you can develop it as a childA young child with cretinism is not growing and her parents would like her to take synthetic hGH. Will this treatment help the child? Explain your answer
