Adequate calcium in the blood facilitates muscle contractions, ...

[kshipps]

Adequate calcium in the blood facilitates muscle contractions, blood pressure regulation, and _____.
 a. conversion of carotenoids into vitamin A
  b. conversion of cholesterol into vitamin D
  c. conduction of neural impulses
  d. conduction of glucose to muscle tissues

Question 2

Enzymes are said to have specificity, which means that they interact only with certain _____.
 a. substrates.
  b. enzymes.
  c. intermediates.
  d. products.

[jordangronback]

Answer to Question 1

c

Answer to Question 2

a

[kshipps]

TYSM

[mochi09]

Great answer, keep it coming