Which enzyme is contained in human saliva?
a. chymotrypsin
b. pepsin
c. trypsin
d. amylase
Answer: d. amylase
You might also like to view...
Which of the following organelles is not generally found in animal cells?
A) food vacuole B) centriole C) endoplasmic reticulum D) central vacuole E) mitochondrion
Nematodes and rotifers have a body cavity that is
a. called a coelom. b. called a pseudocoelom. c. completely lined by tissues derived from mesoderm. d. both a and c.
Which of the following is the study of an organism’s
form? a. philosophy b. anatomy c. phylogeny d. taxonomy e. physiology
Identify the key feature of the action potential that ensures it will travel only one direction.
A. the activation state of the voltage-gated Na+ channel B. the temporary cessation in activity of the Na+/K+ pump C. the inactivation state of the voltage-gated K+ channel D. the activation state of the voltage-gated K+ channel E. the inactivation state of the voltage-gated Na+ channel