What advantage does C4 photosynthesis give to some land plants? It makes a ring of 4 carbons that can more efficiently trap sunlight. It increases the rate of transpiration and creates more oxygen for mitochondria. It provides sugar for bacterial symbionts in exchange for fixed nitrogen. It increases the efficiency of CO2 use and helps plants to reduce water loss by minimizing how long stomata are open.

What advantage does C4 photosynthesis give to some land plants? It makes a ring of 4 carbons that can more efficiently trap sunlight. It increases the rate of transpiration and creates more oxygen for mitochondria. It provides sugar for bacterial symbionts in exchange for fixed nitrogen. It increases the efficiency of CO2 use and helps plants to reduce water loss by minimizing how long stomata are open.

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter16: The Digestive System

Section: Chapter Questions

Problem 6UC

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Which of the following statements is not true? a. Essential nutrients can be synthesized by the body. b. Vitamins are required in small quantities for bodily function. c. Some amino acids can be synthesized by the body, while others need to be obtained from diet. d. Vitamins come in two categories: fat-soluble and water-soluble.
Which of the following does an animal acquire through diet? (select all that apply) essential nutrients chemical energy organic molecules oxygen
The model that the type of foods one eats is the primary determinant of body mass is best summarized as the micronutrients and especially phytonutrients are the most important contributor to body mass effects of foods macronutrient content is the primary determinant of body mass effects of foods O calorie sources are not identical; and apple is not equal to a can of soda even if they have the same caloric content O any type of food can be understood by knowing the calories it contains
Meat is composed primarily of protein and fat. Which statement is false? meat does not contain fiber O meat cannot be digested, and rots/ferments in the stomach O lipase digests parts of meat O pepsin, trypsin, carboxypeptidase, and chymotrypsin digest parts of meat O HCI helps to unravel the meat proteins
Which of the following statements about protein digestion are true? Check all that apply. ► View Available Hint(s) Pepsin is active only in an acidic environment. Hydrochloric acid in the stomach denatures proteins and activates some enzymes. The tertiary and secondary structures of proteins unfold due to the action of the enzymes in the gut. Most of the hydrolysis of polypeptides takes place in the small intestine. Some proteins are broken down into amino acids by the process of chewing. The primary structure of a protein is destroyed by hydrolysis. K
Which statements about absorption of vitamins or minerals are true? Select all that apply. Micronutrients may be in competition for absorption with each other. Vitamins and minerals are efficiently absorbed by the body between 85% and 99% of what is consumed. To be useful for cellular function, vitamins must remain in their original chemical structure. Calcium found in plant sources is more readily absorbed than from animal sources. Absorption of some vitamins and minerals can be influenced by what sort of foods are consumed within the same meal. Submit Request Answer
Select ALL of the following that pepsin, trypsin, and chymotrypsin share in common: V they all digest proteins into peptides they are all enzymes they are all located on the brush border O they are all secreted in an inactive form O they are all produced by the pancreas O they are all proteases they are all activated by HCI (hydrochloric acid) O they must all be activated
The process where a macro-nutrient can be used to synthesize another non-essential macro- molecule or macro-nutrient is known as: O intermediate metabolism O macro-nutrient exchange O intracellular switching O intraconversion
Regarding the functions of the gastrointestinal system, match each term with the phrase that best describes or defines it an enzyme found in saliva and intestinal secretions that breaks down carbohydrate molecules like starches Lipid deposits in the non-adipose compartment of the body, a risk factor for chronic disease regardless of weight [Choose] A strain of bacteria that's very common in the human gut [Choose ] A prebiotic - a non-digestible oligosaccharide [Choose] that provides nourishment for beneficial organisms in the gut [Choose]
Which of the following would you recommend as good sources of complete protein foods? Eggs and Fish O breads and cereals O legumes and nuts corn and soybeans
what food should long distance runner intake less? without trans fat and artificial sweets and beverages
In which condition(s) will protein utilization be increased? During conditions when a disease decreases the supply of energy to specific tissues as in diabetes. During starvation when the body relies on alternative sources energy During conditions of amino acid imbalance, i.e. an essential nino acid is lacking in the diet. Both A and B All of these.