Antioxidant enzymes - Study guides, Class notes & Summaries

Which organelle participates in the chemical processes that transfers energy from the chemical bonds of nutrient molecules to newly created ATP molecules? - mitochondria The body's main source of energy is _____________ and should be the major part of total daily food intake. - carbohydrates To be considered an essential nutrient, a substance must have all these characteristics except... (a) it has a specific biological function. (b) removal from the diet leads to a decline in human biolo...

Exam 2: PRN1032/ PRN 1032 Client-Centered Care I Exam Review (2023/2024 Newly Updated) | Questions and Verified Answers| Rasmussen 1. riboflavin rich foods ~ Answer: Cereal, almonds, beef liver, chicken liver, soybeans, milk, yogurt 2. What is a pro-vitamin? ~ Answer: A substance that an organism can transform into a vitamin 3. What is a vitamin? ~ Answer: A compound which an organism requires, but is unable to synthesize in sufficient quantities, so must obtain through its diet. 4. What is an o...

nutrition science - test banks, Package Title: Test Bank Course Title: Smolin4e Chapter Number: 2 Question Type: Multiple Choice 1) Recommended Dietary Allowances were first published in which decade? a) 1920s b) 1940s c) 1960s d) 1980s Answer: b Difficulty: Easy Learning Objective: LO 2.1 Identify the reasons for population-wide nutritional recommendations. Section Reference: Section 2.1 The Development of Nutrition Recommendations 2) Which is NOT...

Porphyrin correct answer: Cyclic molecules formed by the linkage of 4 pyrole rings through methynl bridges. They bind metals tightly Name the 4 physiological roles of the HEME porphoryin correct answer: 1. Mitochondrial cytochrome: generate H+ gradient in ETC 2. Hemoglobin and Myoglobin: O2 transport in blood and muscle 3. Cytochrome P450 enzymes: metabolize fat soluble compounds. (CYP3A4) important in drug reactions 4. Catalase: antioxidant enzyme hydrolyzes H2O2 Where is Heme made...

DIT 121 - Final Exam Actual Questions and Answers with complete solution What are phytochemicals? Name an example and explain the benefit. compounds found in plant-derived foods that have biological activity in the body example: carotenoids - acts as antioxidant - may prevent some cancers Name the primary function fat soluble vitamin: A -promoting vision (retinal) -protein synthesis and cell differentiation (retinoic acid) -supporting reproduction and regulating growth (retinol) -m...

Vitamins class of complex organic compounds found in small amounts in most foods The 2 functions of Vitamins are to 1) Coenzyme Functions they are necessary for enzymes to function properly 2) Antioxidant functions: Neutralize free radicals Free Radicals produced during normal metabolic processes and are involved in normal cell functioning but may be produced in excess under certain circumstances and be damaging to cellular constituents.

Zinc's main functions include: - cofactor for many enzymes -protein digestion -alcohol metabolism Works with Vit A -cell division -wound healing -reproduction -taste, smell, vision S/sxs: MTHFR mutation - developmental delay motor abnormalities seizures dementia homocystinuria homocystinemia ASX Which compounds does B12 help transfer methyl groups? - Transfers CH3 from 5MTHF to homocystiene creating methionine and THF. What action does Rauwolfia have in the CNS? PNS? - CNS: Dec...

Infants are born with adequate vitamin K in their intestinal tracts. True or False. - False, they are not born with adequate vitamin K. The B vitamins work together with enzymes in the metabolism of energy nutrients and in the making of new cells. True or False. - True, B vitamins do work together By definition, a vitamin is all of the following except a. an organic compound b. indispensable to body function c. needed in minute amounts d. a non-essential nutrient - D. A non-essen...

HNF 150 EXAM 3 Verified Answers What is the role of the hypothalamus in hunger regulation? The hypothalamus controls hunger by responding to signals such as blood glucose levels, stomach hormones, and leptin, a hormone that reduces appetite when fat stores are sufficient. ️️ How does the body metabolize alcohol? Alcohol is absorbed through the stomach and small intestine and then metabolized by the liver, where enzymes like alcohol dehydrogenase break it down into acetaldehyd...

What is the prevalence of Canadians Developing Cancer? Correct Answer 2 in 5 People 40% women and 45% men will develop it. 2.3 % had a diagnosis of Cancer in the last 10 Years. New cases will double or triple by 2020. Half of Cancers can be prevented. Less than 1% of Cancer budget foe Ontario is spent on Prevention. Prevention is targeted at? Correct Answer - Tobacco use - Diet and Nutrition ( tobacco and Nutrition account for 50% of fatal Cancers) - Healthy body weight...