Movable bones are features of the sense organs associated with
a. sight.
b. hearing.
c. taste.
d. smell.
e. touch.
B
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The Nocardiaceae bacterium, Rhodococcus, is of considerable interest because of its variety of enzymatic degradation pathways. Which of the following is(are) able to be broken down by Rhodococcus? (Check all that apply.)
A. Detergents B. Pesticides C. Petroleum hydrocarbons D. Stainless steel
Your research project involves the characterization of a particular signal transduction pathway. Specifically, you have been studying a receptor tyrosine kinase and protein X, which initiates downstream events. You are certain that protein X is part of the signal transduction pathway, but have been unable to identify a direct protein-protein interaction between the receptor tyrosine kinase and
the protein X. What should you do next in your attempt to identify a link between the receptor tyrosine kinase and protein X? A. Try to identify a coactivator protein. B. Try to identify proteins that act downstream of protein X. C. Try to identify an adapter protein that can interact with both the receptor and protein X. D. Confirm the interaction between the receptor tyrosine kinase and its ligand.
Since HIV attacks T cells, which type of immunity is affected in HIV-infected individuals?
a. innate b. antibody-mediated c. cell-mediated d. inflammation e. complement
CO2 and H2O will not form glucose on their own because ____
a. CO2 does not contain sufficient energy b. H2O does not contain sufficient energy c. neither CO2 nor H2O contain sufficient energy d. the concentration of CO2 is too low in the atmosphere e. the bonds of CO2 and H2O are too stable to be broken without an input of energy