Domanda del libro di testo
A hormone that reduces the blood glucose level is______, and a hormone that increases the blood glucose level is__________.
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Ch. 41 - Animal Nutrition
Freeman8th EditionBiological ScienceISBN: 9780138276263
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TOC.tableOfContents
- Ch. 1 - Biology: The Study of Life13
- Ch. 2 - Water and Carbon: The Chemical Basis of Life14
- Ch.3 - Protein Structure and Function10
- Ch.4 - Nucleic Acids and the RNA World10
- Ch. 5 - An Introduction to Carbohydrates10
- Ch. 6 - Lipids, Membranes, and the First Cells11
- Ch. 7 - Inside the Cell10
- Ch. 8 - Energy and Enzymes: An Introduction to Metabolism10
- Ch. 9 - Cellular Respiration and Fermentation11
- Ch. 10 - Photosynthesis12
- Ch. 11 - Cell-Cell Interactions12
- Ch. 12 - The Cell Cycle8
- Ch. 13 - Meiosis12
- Ch. 14 - Mendel and the Gene23
- Ch. 15 - DNA and the Gene: Synthesis and Repair15
- Ch. 16 - How Genes Work16
- Ch. 17 - Transcription, RNA Processing, and Translation16
- Ch. 18 - Control of Gene Expression in Bacteria16
- Ch. 19 - Control of Gene Expression in Eukaryotes12
- Ch. 20 - The Molecular Revolution: Biotechnology, Genomics, and New Frontiers15
- Ch. 21 - Genes, Development, and Evolution12
- Ch. 22 - Evolution by Natural Selection16
- Ch. 23 - Evolutionary Processes13
- Ch. 24 - Speciation15
- Ch. 25 - Phylogenies and the History of Life13
- Ch. 26 - Bacteria and Archaea15
- Ch. 27 - Diversification of Eukaryotes16
- Ch. 28 - Green Algae and Land Plants16
- Ch. 29 - Fungi18
- Ch. 30 - An Introduction to Animals9
- Ch. 31 - Protostome Animals15
- Ch. 32 - Deuterostome Animals17
- Ch. 33 - Viruses16
- Ch. 34 - Plant Form and Function16
- Ch. 35 - Water and Sugar Transport in Plants16
- Ch. 36 - Plant Nutrition13
- Ch. 37 - Plant Sensory Systems, Signals, and Responses16
- Ch. 38 - Flowering Plant Reproduction and Development16
- Ch. 39 - Animal Form and Function17
- Ch. 40 - Water and Electrolyte Balance in Animals16
- Ch. 41 - Animal Nutrition16
- Ch. 42 - Gas Exchange and Circulation16
- Ch. 43 - Animal Nervous Systems16
- Ch. 44 - Animal Sensory Systems16
- Ch. 45 - Animal Movement11
- Ch. 46 - Chemical Signals in Animals16
- Ch. 47 - Animal Reproduction and Development16
- Ch. 48 - The Immune System in Animals16
- Ch. 49 - An Introduction to Ecology15
- Ch. 50 - Behavioral Ecology16
- Ch. 51 - Population Ecology16
- Ch. 52 - Community Ecology20
- Ch. 53 - Ecosystems and Global Ecology17
- Ch. 54 - Biodiversity and Conservation Ecology18
Freeman8th EditionBiological ScienceISBN: 9780138276263Non è quello che usi tu?Cambia libro di testo
Capitolo 41, Problema 3
Cellulose is fermented in which of the following structures in rabbits?
a. Small intestine
b. Cecum
c. Abomasum
d. Rumen
Guida verificata passo dopo passo1
Understand the digestive system of rabbits: Rabbits are hindgut fermenters, which means they have a specialized part of their digestive system where fermentation of plant material occurs.
Identify the role of the cecum: In hindgut fermenters like rabbits, the cecum is a large pouch located at the junction of the small and large intestines. It plays a crucial role in the fermentation of fibrous plant materials such as cellulose.
Compare the options: a. Small intestine - primarily involved in nutrient absorption, not fermentation. b. Cecum - the site of fermentation in rabbits. c. Abomasum - part of the stomach in ruminants, not present in rabbits. d. Rumen - part of the stomach in ruminants, not present in rabbits.
Eliminate incorrect options: Since rabbits are not ruminants, options c (abomasum) and d (rumen) can be eliminated. The small intestine (option a) is not the primary site for fermentation.
Conclude with the correct structure: Based on the understanding of rabbit digestion, the cecum (option b) is the structure where cellulose is fermented in rabbits.
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Cellulose Fermentation
Cellulose fermentation is a process where microorganisms break down cellulose into simpler compounds, typically in the digestive system of herbivores. This process is crucial for animals that consume plant material, as cellulose is a major component of plant cell walls and is not digestible by mammalian enzymes alone.
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02:02
Alcohol Fermentation
Cecum
The cecum is a pouch-like structure in the digestive tract of many animals, including rabbits, where fermentation of fibrous plant material occurs. It houses a large population of bacteria that aid in breaking down cellulose, allowing the animal to extract nutrients from plant-based diets effectively.
Video consigliato:
05:59Large Intestine
Herbivore Digestive Adaptations
Herbivores have evolved specialized digestive systems to process plant material efficiently. These adaptations include structures like the cecum, rumen, and others, which facilitate microbial fermentation of cellulose, enabling the extraction of energy and nutrients from fibrous plant tissues.
Video consigliato:
05:11Digestion and Digestive Tracts
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Evaluate the following statements regarding digestion; select True or False for each statement.
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T/F Pepsin digests proteins in the stomach.
T/F Trypsin digests disaccharides into monosaccharides.
T/F Pancreatic lipase performs the majority of chemical digestion of lipids.
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Calculate and compare the caloric content of skim milk and whole milk. Per serving, skim milk contains 12 g carbohydrates, 8 g protein, and no fat; whole milk contains 12 g carbohydrates, 8 g protein, and 8 g fat.
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Why is oral rehydration therapy with a solution of sodium chloride and glucose an effective treatment for dehydration?
a. The sodium and glucose decrease urine output.
b. The sodium and glucose facilitate water absorption by the small intestine.
c. The sodium and glucose help kill intestinal bacteria.
d. The sodium and glucose make the person thirsty.
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