If a transport protein moves two solutes across a membrane in opposite directions, the protein is called a countertransporter or ________.
What will be an ideal response?
antiporter
antiport
antiport secondary active transport
antiport secondary active transporter
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The hypothalamus acts as both a neural and a(n) ________ organ
A) endocrine B) cardiovascular C) renal D) muscular E) hepatic
DNA directs the synthesis of proteins, including enzymes that catalyze the synthesis of several important molecules
Indicate whether this statement is true or false.
Choose the false statement about smooth muscle
a. It is under involuntary control. b. It does not have troponin. c. Its contraction is initiated neurogenically only. d. It is found in walls of hollow tube-like organs. e. It is innervated by the ANS.
_____ is required for thyroid hormone synthesis.
Fill in the blank(s) with the appropriate word(s).