This process involves the use of naturally occurring microbes to break down unwanted or dangerous materials.
A. biomagnification
B. bioremediation
C. bioamplification
D. bioassimilation
B. bioremediation
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Put the steps of the process of signal transduction in the order they occur:
1. A conformational change in the signal-receptor complex activates an enzyme. 2. Protein kinases are activated. 3. A signal molecule binds to a receptor. 4. Target proteins are phosphorylated. 5. Second messenger molecules are released. A) 1, 2, 3, 4, 5 B) 3, 1, 2, 4, 5 C) 3, 1, 5, 2, 4 D) 1, 2, 5, 3, 4
In terms of relatedness to a specific cellular process, which protein does not belong with the others?
A. RNA polymerase holoenzyme B. DNA ligase C. DNA polymerase holoenzyme D. Ribonuclease
A new mRNA can pass through the pores of the nuclear membrane into the cytoplasm only if ________
a. it has been phosphorylated b. it has been processed c. motor proteins attach to a base sequence and link the molecule to cytoskeletal elements d. proteins attach to a base sequence near the poly-A tail and temporarily block translation
Which is not a method bacteria use to generate new combinations of genes?
A. Binary fission B. Transformation C. Transduction D. Conjugation