A bacteriophage that lacks its proteinaceous capsid structure is also called a viroid
Indicate whether the statement is true or false.
Answer: FALSE
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A behavioral physiologist is studying the homeostatic control of blood pH. In a trial, a lizard runs on a treadmill for a set amount of time and the blood pH is measured
The blood pH drops as carbon dioxide is released into the bloodstream. Which component of the homeostatic feedback system is responsible for deciding if the blood pH is far enough from normal that a response is necessary? A) effector B) sensor C) integrator D) assimilator
Gametangia are
(a) chlorophyll-producing structures. (b) sex organs. (c) a name for colony-forming algae. (d) found in slime molds.
The first example of an antimicrobial drug synthesized in the laboratory was
A. penicillin. B. sulfa. C. erythromycin. D. Salvarsan.
Which of the following must be present for something to be considered living?
a. Movement b. Sentience c. Organs d. One or more cells