Questions and Answers
Which class of nutrients largely makes up the tissues of the sea star and the herring gull?
Proteins
Which of the following is NOT one of the essential nutrients required by animals?
Nucleic acids
Which of the following is NOT a source of complete proteins?
Most plant proteins
Which category of animals sifts small food particles from the surrounding medium?
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What is the process of breaking food down into molecules small enough to absorb?
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Which nutrients are required in the diet in very small amounts?
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What can happen if a diet does not provide enough chemical energy?
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Which method do scientists use to study the microbiome?
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What is the main cause of stomach ulcers?
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What is the purpose of fecal microbial transplantation?
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Which hormones regulate glucose homeostasis?
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Which type of diabetes is characterized by the destruction of beta cells in the pancreas?
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What is one of the tests for diabetes?
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What hormone triggers feelings of hunger before meals?
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What is the main cause of obesity?
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Which organ produces the proteases trypsin and chymotrypsin, which are activated in the lumen of the duodenum?
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What is the major component of bile and facilitates digestion of fats by dispersing big droplets of fats to small droplets?
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Which part of the small intestine has a huge surface area due to villi and microvilli that are exposed to the intestinal lumen?
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What is the extension of the human cecum called, which plays a minor role in immunity?
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Which type of digestion occurs in compartments that are continuous with the outside of the animal’s body?
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What is the term for a digestive tube with two openings, a mouth and an anus?
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Which glands secrete digestive juices through ducts into the alimentary canal in mammals?
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What is the term for the coordinated contraction and relaxation of stomach muscles that churn the stomach’s contents?
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