The second-messenger mechanism of hormone action operates by a. synthesizing more of the hormone than is actually needed b. binding to specific receptors and employing the services of g proteins and camp c. not responding to a feedback mechanism d. increasing the basal metabolic rate in the target organ

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.