Author Question: Why does the body have a different process for digesting and metabolizing fat than it does for ... (Read 70 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
Why does the body have a different process for digesting and metabolizing fat than it does for carbohydrate and protein?

Question 2

Ferritin and metallothionine are _____ synthesized by the body to _____.
 a. enzymes; promote absorption of iron and selenium, respectively
  b. transport proteins; facilitate the absorption of iron and chromium, respectively
  c. proteins; block excess absorption of iron and zinc, respectively
  d. transport proteins; deliver iron and copper, respectively, to the liver



Brenm

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

Fats are not soluble in the watery environment of the small intestine and are therefore more difficult to digest and absorb than other food components. Also, because of their composition, fats are not able to circulate in the blood immediately following absorption. Thus, they are initially transported in lymph.

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

For a complete list of videos, visit our video library