Which is not a component of the scientific method?
A. Careful observation.
B. The construction and testing of hypotheses.
C. Openness to new information and ideas.
D. Submitting the result of your work for review by others only when you have won the Nobel Prize.
D. Submitting the result of your work for review by others only when you have won the Nobel Prize.
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Which type of joint creates a space filled with fluid?
a. synovial joint b. fibrous joint c. cartilaginous joint d. vertebral disks
While eating lobster for dinner one night your friend asks what you think might happen if this marine invertebrate, which is normally isosmotic with respect to the surrounding seawater, were to be moved to a bay with a slightly lower salt concentration instead of being caught. You reply that, in order for the lobster to be isosmotic with respect to new environment,
A. it regulates its internal concentration of solutes to match that of its new environment. B. it moves water in or out and regulates its internal concentration of water as needed. C. it must move water in to match the solute concentration of its new environment. D. it must move water out to match the solute concentration of its new environment.
When a usable organic electron donor is present, sulfate serves as a terminal electron acceptor during anaerobic respiration by ________.
A. Archaeoglobus B. Desulfonema C. Desulfovibrio D. All of the choices are correct.
The mitochondrial ATP synthase consists of several different protein subunits. Which subunit binds to ADP + Pi and catalyzes the synthesis of ATP as a result of a conformational change?
(a) transmembrane H+ carrier (b) F1 ATPase head (c) peripheral stalk (d) central stalk