The energy released in the mitochondrial electron transport chain is used to transport protons into the
A. mitochondrial matrix.
B. cytoplasm.
C. nucleus.
D. endoplasmic reticulum.
E. intermembrane space of the mitochondria.
Answer: E
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Match the motor molecule to its function.
A) slides along actin in sarcomere B) activation of sliding in flagellar microtubule C) motion toward "minus" end of microtubule D) binds to membranes E) motion toward "plus" end of microtubule 1) cytoplasmic dynein 2) axonemal dynein 3) kinesin 4) myosin V, dimer 5) myosin II, filament
Retrotransposons are genetic elements that move through an RNA intermediate
1.True 2.False
Cells located in the ________ synthesize oxytocin and vasopressin and transport these hormones to the __________.
A) hypothalamus; posterior pituitary B) hypothalamus; adrenal cortex C) posterior pituitary; heart D) anterior pituitary; nucleus
A new bacterial molecule is discovered. This molecule binds to an antibiotic and facilitates the binding of a phosphate group, thus inactivating the antibiotic. Which category best describes the mechanism of antibiotic resistance conferred by this molecule?
a. conjugation b. altered porins c. rapid efflux of the antibiotic d. bacterial enzymes