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- Which of the following are differences between starch and glycogen? A. Starch is a mixture of amylose and amylopectin while glycogen is a pure biopolymer. B. The amylopectin instarch has more branches than glycogen. C. Starch is the storage form of glucose in plants while glycogen is in animals and humans. D. The branches in amylopectin is alpha 1->6 while itis beta 1-->6 in glycogen. E. Starch reacts more intensely with Lugol's reagent than glycogen.Why are cattle able to survive, grow, and reproduce on a plant diet which does not contain most of the essential amino acids required for their health? Select one: a. Their saliva has cellulase and can therefore digest cellulose present in plant cell walls b. Like rabbits, cattle can re-ingest their feces c. Bacteria in their rumen synthesize essential amino acids from digested plant material d. They are unique in that they can synthesize all essential amino acids in their liver from a variety of metabolic precursors e. They are autotrophsIs cholesterol an inherently "bad" biomolecule? Select the correct response: A. Yes, because it increases the risk for cardiovascular diseases. B. Yes, as it can damage the nervous system, C. Yes, because it can cause infectious diseases. D. No, as it is the precursor of steroids and vitamin D. E. No, as it is the storage form of fatty acids in the body. F. No, as it is an essential major component of the cell mebrane.
- Describe the synthesis process of sucrose, starch and cellulose in plantsWhenever carbohydrate is available to the body, the human brain depends exclusively on it as an energy source. a. true, b. false A desirable intake of dietary fiber is grams per day. a.10-15,b.15-25, c.20-35,d.35-50 Grains, tubers and legumes are rich sources of: a. starch, b. dietary fiber, c. fat, d. a and b, e. b and c Cellulose, pectin, hemicellulose, and gums are: a. artificial sweeteners, b. sugar alcohols, c. fibers, d. carbohydrates, Food fiber is kcalorie-free. a. true, b. false Grains, legumes, and root vegetables contain predominantly: a. simple sugars , b. starches, c. fibers, d. b and c, e. a, b, and c Which of the following statements about sugar is true? a. it causes obesity, b. it causes heart disease, c. it causes dental caries, d. it causes hyperactive behavior in children A client consumes 2000 kcalories per day and 200 grams of carbohydrate. Would this person meet the current dietary recommendations for…The main difference between starch and glycogen is: A) Starch functions to store energy, While glycogen functions as a structural molecule B)Glycogen Functions to store energy, while starch functions as a structural molecule C)Starc is made of glucose, while glycogen is made of ribose D)Starch is made of ribose, while glycogen is made of glucose E)Starch is found in plant cells, while glycogen is found in animal cells
- Which of the following statements describes one reason that plant oils are generally healthier for human consumption than animal fats? Plant oils are glycerol-based rather than phospholipid-based. Plant oils usually have a higher degree of saturation than animal fats. Plant oils usually contain more unsaturated fatty acids than animal fats. Plant oils usually contain more trans fatty acids than animal fats.Which of the following is NOT a physiological role of phosphorus? Select one: a. Required for ossification of bones during embryonic development b. Required for enzymatic conversions in glycolysis c. Links together ribose sugars and their associated nitrogenous bases d. Important compound required to inhibit auto-oxidation of fatty acidsAlthough rabbits cannot digest the cellulose in their all-plant diet, bacteria that live in their cecum can. However, to make full use of the nutrients released by bacterial action, a rabbit must produce and eat a special type of feces. Why must the rabbit reswallow this material to obtain the nutrients released by bacterial action?Some people who have gallstones experience pain after they eat, with fatty meals causing the greatest discomfort. Why do such meals trigger gallbladder pain? Diabetes insipidus is a medical disorder in which a person produces an unusually large amount of highly dilute urine. Some cases are caused by a gene mutation, but in most people, diabetes insipidus arises after a head injury. Explain how an injury to the head could affect kidney function.Marine mammals and desert rodents both have highly efficient kidneys that produce only a tiny amount of very concentrated urine. What selective pressure shaped this trait in both animals?
- Explain why these 3 food items do not contain any fiber (in other words, what types of foods do not have any fiber?)What is the physiological purpose of starch in a seed or other plant tissue? What is the physiological purpose of glycogen in a mammal?A protein called insulin is responsible for controlling how much sugar is in our blood. When insulin is present, cells take up sugar from the blood, controlling our blood-sugar levels and keeping our body in balance. Some people with diabetes don't make enough insulin. What would be a problem if cells could no longer produce the protein insulin? A - People would have too low blood sugar. B - Nothing would happen--their blood sugar would remain the same. C - They would not be able to digest sugar anymore. D - People would have too high blood sugar.