. List the three separate places that frogs can exchange oxygen for carbon dioxide:
a. Cutaneous respiration occurs on the surface of the __
b. Bucco pharyngeal respiration occurs in the lining of the __
c. Pulmonary respiration occurs in the alveoli of the __

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

Protein synthesis actually begins in the nucleus when transcribes a single gene on the dna molecule is copied. the process of copying this gene is called this copy is known as and contains the protein building instructions. this copy is sent out into the cytoplasm to the part of the cell known as the the of the ribosome will join together to form a functional ribosome when they attach to the mrna. as the mrna moves through the ribosome, the message is read by transfer rna brings the correct back to the ribosome. the amino acids are placed in the correct order and are hitched together by

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells