What is the process in which electron flow through electron transfer chains sets up a hydrogen ion gradient that drives ATP formation?
A. Photosynthesis
B. Electron transfer phosphorylation
C. Electromagnetic radiation
D. Light-dependent reaction
E. Photolysis
Answer: B
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Cystic fibrosis is a genetic disorder in homozygous recessive (ff) humans that typically causes death in the early thirties. Over time, we would expect the f allele frequency to _____ for this trait
A) remain the same B) increase C) decrease D) fluctuate
Within the vestibular system of vertebrates, hair cells help detect movement when their cilia are bent by
A. the tectorial membrane. B. gravity. C. the basilar membrane. D. otoliths. E. statoliths.
________ is often referred to as the "stress" hormone since it initiates and maintains seed and bud dormancy.
A. Gibberellins B. Abscisic acid C. Cytokinins D. Ethylene
What is the first step in phage formation inside the bacterial cell?
A) tail fibers are added B) DNA packaging as the viral heads assemble C) adherence to the pilus D) lysis E) tail formation