Cells lining the digestive tract replace themselves every: a. 3 ...

[chads108]

Cells lining the digestive tract replace themselves every:
 a. 3 days.
 b. 7 days.
 c. 2 weeks.
 d. 4 months.
 e. 12 months.

Question 2

DRI recommendations (for an adult) for protein intake are designed to cover the need to replace protein-containing tissue that healthy adults lose and wear out every day. Therefore, it depends on:
  1.Age
  2.Body size
  3.Sex
  4.Race/ethnicity
  5.None of these choices

[akudia]

Answer to Question 1

a

Answer to Question 2

2

[chads108]

Thanks for the timely response, appreciate it

[alexanderhamilton]

Wow, this really help