Refer to the accompanying figure with the lateral line organs of fishes. The structures indicated by label 3 are:a
hair cells.
b. cupula.
c. stereocilia.
d. sensory neurons.
e. supporting cells.
c
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According to the acid-growth hypothesis, auxin works by _____
A) dissolving sieve plates, permitting more rapid transport of nutrients B) dissolving the cell membranes temporarily, permitting cells that were on the verge of dividing to divide more rapidly C) changing the pH within the cell, permitting the electron transport chain to operate more efficiently D) increasing wall plasticity and allowing the affected cell walls to elongate E) greatly increasing the rate of deposition of cell wall material
Cloning vectors can be distinguished from expression vectors by
A) carrying ori genes for replication of the cloned sequence. B) having a multiple cloning site (MCS). C) having a high copy number per cell. D) lacking a promoter site upstream of the insertion site.
Honeybees are ________ because they transfer pollen from one plant to another
a. pollinators b. polluters c. transporters d. impregnators e. reproducers
________ cells have axons that can transmit nerve impulses in addition to being able to secrete hormones like endocrine cells
Fill in the blank(s) with correct word