Chapter 5 Flashcards
What are the names of three monosaccharides ?
Sugar, Fructose, Galactose
What are the names of three disaccharides?
Lactose, maltose, sucrose
Where does carbohydrate digestion begin?
The mouth where salivary enzymes begin breaking it down
How are carbohydrates digested?
mouth- chewing, salivary enzymes break down
stomach- chyme and churning occurs
small intestine- pancreatic juice is released
villi secrete enzymes
once carbs are broken down into single glucose units they are absorbed into intestinal cells, then into the blood stream
Once in the blood, what happens to a broken down carbohydrate?
Once in the blood, the glucose may be used for energy through catabolism or stored for later energy through anabolism
Can glucose be used both aerobically and anaerobically?
Yes
What is glycogen?
Storage form of glucose in bodily tissues, stored in the liver
What is glycogen’s role in the body?
It stores glucose to raise blood-glucose levels when blood sugar falls too low.
What is fiber?
The portion of a plant that cannot be fully broken down by digestive enzymes
What are the food sources of soluble fiber?
beans, oat, bran
What are the food sources of insoluble fiber?
Whole grains, brown rice, cereals
What are the health advantages of insoluble fiber?
speeds up digestion, adds bulk to stool, aids with bowl regularity
What are the health advantages of soluble fiber?
It attaches to cholesterol particles and carries them out of the body, which lowers cholesterol
What is the daily recommendation for fiber?
38g for males
25g for females
What are the problems with too much fiber?
It can cause bloating, gas, constipation and diarrhea