Choose the correct statement from the list below.
  • via chemical signals released when the stomach is empty
  • Lipase breaks triglcerides down into monoglycerides and fatty acid
  • Carbohydrate digestion begins in the mouth with salivary amylase.
  • pancreas ... pancreatic enzymes
Which process is not required for an animal to obtain energy from food?
  • secretin
  • triglyceride
  • amylase
  • Excretion
To survive, all animals must _____.
  • via chemical signals released when the stomach is empty
  • Carbohydrate digestion begins in the mouth with salivary amylase.
  • have more surface area for chemical digestion than do larger pieces of food
  • balance consumption of food with use and storage of nutrients
Lumen of small intestine
  • Carbohydrate digestion begins in the mouth with salivary amylase.
  • balance consumption of food with use and storage of nutrients
  • Lipase breaks triglcerides down into monoglycerides and fatty acid
  • these animals are not able to synthesize these nutrients
Which structure is not part of the alimentary canal?
  • monoglyceride.
  • Salivary glands.
  • amino acids
  • amylase
Fatty Acids and Monoglycerides are
  • Hydrophobic
  • Hydrophillic
  • polysaccharide
  • hydrochloric acid
Triglycerides are
  • Hydrophillic
  • Hydrophobic
  • amino acids
  • hydrocarbon chain.
The presence of fatty acids and amino acids in the chyme from the stomach triggers the small intestine to secrete a hormone known as _____.
  • cholecystokinin, or CCK
  • have more surface area for chemical digestion than do larger pieces of food
  • hydrophobic
  • liver ... gall bladder
The hydrocarbon chains found in fats store a lot of energy. They also make fats ________________, or insoluble in water.
  • Hydrophillic
  • Excretion
  • secretin
  • hydrophobic
The acidity of the stomach contents triggers the small intestine to secrete a hormone known as _____.
  • Excretion
  • secretin
  • glycerol.
  • cholecystokinin, or CCK
A fat molecule with three fatty acids is called a triacylglycerol, or a
  • glycerol.
  • amino acids
  • triglyceride
  • Fatty Acid
Certain nutrients are considered "essential" in the diets of some animals because _____.
  • these animals are not able to synthesize these nutrients
  • Bile ... liver ... fats ... small intestine
  • via chemical signals released when the stomach is empty
  • have more surface area for chemical digestion than do larger pieces of food
True or false? One advantage of having a tube-like digestive tract is that digestion of all compounds can take place simultaneously down the tract.
  • True
  • False
Lacteal
  • hydrophobic
  • regurgitation of acidic stomach contents into the esophagus, commonly called "heartburn"
  • Chylomicrons are transported in this structure to veins.This structure contains lymph.
  • balance consumption of food with use and storage of nutrients
Among humans, increased interest in food intake normally occurs _____.
  • balance consumption of food with use and storage of nutrients
  • Lipase breaks triglcerides down into monoglycerides and fatty acid
  • via chemical signals released when the stomach is empty
  • Bile ... liver ... fats ... small intestine
A fatty acid includes a carboxyl group (-COOH) at one end as well as a long
  • Fatty Acid
  • hydrochloric acid
  • hydrocarbon chain.
  • Hydrophobic
Different types of food are eaten by various groups of animals, but it is usually true that _____.
  • Proteins that are consumed in the diet are absorbed as individual amino acids following digestion.
  • these animals are not able to synthesize these nutrients
  • cellulose digestion in ruminant mammals occurs before the ingested foods reach the small intestine
  • have more surface area for chemical digestion than do larger pieces of food
Cholecystokinin (CCK) stimulates the _____ to secrete _____.
  • pancreas ... pancreatic enzymes
  • both glycerol and fatty acids
  • liver ... gall bladder
  • pancreas ... bicarbonate
When digested, proteins are broken down into _____.
  • monoglyceride.
  • amino acids
  • both glycerol and fatty acids
  • Fatty Acid
True statement
  • Carbohydrate digestion begins in the mouth with salivary amylase.
  • these animals are not able to synthesize these nutrients
  • Lipase breaks triglcerides down into monoglycerides and fatty acid
  • Free fatty acid absorption occurs in the small intestine.
The lower esophageal sphincter surrounds the upper opening into the stomach. If this sphincter failed to properly constrict, there might be a problem with _____.
  • cholecystokinin, or CCK
  • cellulose digestion in ruminant mammals occurs before the ingested foods reach the small intestine
  • have more surface area for chemical digestion than do larger pieces of food
  • regurgitation of acidic stomach contents into the esophagus, commonly called "heartburn"
A fat molecule with only one fatty acid is called a
  • monoglyceride.
  • Fatty Acid
  • amino acids
  • glycerol.
True or False? The liver is a component of the alimentary canal.
  • True
  • False
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