Which aspect of the cytoskeleton is involved in the cleavage furrow?
A. intermediate filaments
B. spindle fibers
C. centrioles
D. microtubules
E. actin filaments
Answer: E
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When the cell is NOT sending signals, the electrical difference between the inside and outside of a neuronal membrane is specifically referred to as the
A. action potential. B. graded potential. C. resting potential. D. membrane potential. E. reversal potential.
Women who habitually wear high heels have an increased risk of osteoarthritis of the ________
a. neck b. lumbar region of the spine c. metatarsals d. knees
What is the initial carbon-containing starting product in the Calvin cycle?
A) glyceraldehyde 3-phosphate B) glucose C) ribulose bisphosphate D) rubisco
Seeds for desert plants often germinate once abscisic acid is washed away from the seed by water. In this scenario, abscisic acid is acting as a/an
A. suspensor. B. germination-inhibiting compound. C. hormone to induce the release of sugars from stored starch in the endosperm. D. hormone that stimulates cell expansion.