The axolotl, an aquatic amphibian, uses ______ for gas exchange.  

A.  papulae
B.  internal gills
C.  external gills
D.  lungs
E.  tracheal tubes


C.  external gills

Biology & Microbiology

You might also like to view...

_______ is the belief that seeds are produced by all parts of the body and transmitted to the next generation

A. Hippocrates B. Pangenesis C. Blending D. Particulate theory E. Homunculus

Biology & Microbiology

What happens when the ventricular blood pressure rises during ventricular contraction?

a. Aortic and pulmonary valves open. b. Atrioventricular valves open. c. The atria fill with blood. d. Aortic and pulmonary valves close. e. The ventricle passively fills with blood.

Biology & Microbiology

Which of these molecules could phosphorylate an unknown compound whose free energy of phosphate hydrolysis is -10.3kcal/mol?

Consider the following list of phosphorylated compounds with their free energies of phosphate hydrolysis: Glucose-1-phosphate: -5.0 kcal/mol PEP: -14.8 kcal/mole ATP: -7.3 kcal/mol A) Glucose-1-phosphate only B) PEP only C) ATP only D) ATP and PEP E) All three could phosphorylate the unknown compound.

Biology & Microbiology

The home pregnancy test kit is an example of a direct ELISA

Indicate whether the statement is true or false

Biology & Microbiology