Which of the following is not a characteristic of passive transport?
A) It requires binding of the molecule to be transported.
B) It is specific for the molecule being transported.
C) The energy for transport is generated by the gradient of the substance being transported.
D) The energy for transport is generated by the molecular bonds of the substance being transported.
E) Transport of the substance is the result of a conformational change.
D) The energy for transport is generated by the molecular bonds of the substance being transported.
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A researcher identifies an abnormality in a protein that causes a particular inherited illness. To develop a treatment, it would be most helpful to know
A) which cells are affected and how to replace the protein's function in them. B) if this type of mutation occurs in all species. C) the other types of molecules that cause or contribute to the disease. D) how the mutation was caused.
A plant stoma is found between two ____
a. leaves b. root hairs c. xylem veins d. trichomes e. guard cells
Long-term memory
a. involves reverberating circuits. b. is limited to multiple chunks of information over a given time. c. requires extensive time for consolidation. d. is dependent on the corpus callosum. e. depends on activated receptors that are linked to G proteins.
The mitotic phase of the cell cycle is made up of interphase and cytokinesis.
a. true b. false