A high-energy electron from NADH entering the electron transport chain would travel among components of the chain in what sequence?
A. complex I, coenzyme Q, complex III,
cytochrome C, complex IV, oxygen
B. complex I, coenzyme Q, complex III,
cytochrome C, ATP synthase, oxygen
C. complex II, cytochrome C, complex IV,
cytochrome C, oxygen
D. complex II, coenzyme Q, complex IV,
cytochrome C, ATP synthase, oxygen
E. complex I, coenzyme Q, complex II,
cytochrome C, complex III, coenzyme Q,
complex IV, cytochrome C, oxygen
A
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The ____ joints are usually highly moveable, with a fluid-filled capsule of connective tissue surrounding them
a. synovial b. cartilaginous c. fibrous d. agonist e. antagonistic
Therapeutic cloning differs from reproductive cloning in that therapeutic cloning
A) is the cloning of human stem cells to treat human diseases. B) involves the extraction of a patient's bone marrow. C) results in an individual genetically identical to the DNA donor. D) is not a controversial topic. E) involves transfer of genomic DNA into a recipient somatic cell.
Which of the following is NOT a protein involved in DNA replication?
A. replication fork B. topoisomerase C. DNA ligase D. single-stranded binding proteins E. helicase
Why aren't organisms perfectly adapted to their environments?
a. There are physical constraints that cannot be overcome. b. An organism's surroundings do not present a stationary target to which natural selection can optimize its phenotype. c. The process of natural selection lacks foresight. d. All of the above are true. e. This is not always true; some organisms are perfectly adapted to their environments.