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
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Estrogen receptor (ER) ? typically ____, while ER? typically ____
a. stimulates DNA binding; inhibits DNA binding b. stimulates cell proliferation; inhibits cell proliferation c. stimulates channel opening; inhibits channel opening d. inhibits DNA binding; stimulates DNA binding e. inhibits cell proliferation; stimulates cell proliferation
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
The double helix of DNA is composed of building blocks called
amino acids. monosaccharides. phospholipids. disaccharides. nucleotides
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