An active continental margin is found:

a. where the leading edge of a continental crust always subducts

b. within a tectonic plate and on a wide continental margin.
c. where the leading edge of a continental crust collides with ocean crust.
d. in an area of active erosion and weathering.


c

Biology & Microbiology

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Most mutations lead to a decreased chance of survival for the mutant organism. Rarely, a mutation can provide an increased chance of survival. These rare mutations provide a(n) _____________________ for the mutant

a. adaptive b. directional shift c. selective disadvantage d. environmental susceptibility e. selective advantage

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The double helix of DNA is composed of building blocks called

amino acids. monosaccharides. phospholipids. disaccharides. nucleotides

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ATP is produced mostly by the electron transport located in ____ of a human breast cancer cell

a. plasma membrane b. peptidoglycan c. inner mitochondrial membrane d. mitochondrial matrix

Biology & Microbiology