Arrange the following in correct sequence:
(1) protein moves through ER and then carried in vesicles to Golgi apparatus
(2) vesicle pinches off from the Golgi apparatus and carries product to plasma membrane
(3) Golgi apparatus modifies protein and then packages them into vesicles
(4) protein made by ribosomes on rough ER
A. 4, 3, 2, 1
B. 3, 2, 4, 1
C. 2, 3, 1, 4
D. 1, 2, 3, 4
E. 4, 1, 3, 2
E
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The membrane of a contractile cardiac muscle cell contains
A. calcium pumps that move calcium out of the cell. B. calcium pumps that open and allow calcium to diffuse down its concentration gradient to reach equilibrium. C. no calcium pumps. D. calcium pumps that move calcium into the cell.
There is no mixing of blood layers or sounds from vessels during ________ flow.
A. restricted B. turbulent C. laminar D. Korotkoff
All of the following are true of olfactory pathways except
A) they project first to the mammillary bodies and then to the thalamus. B) the first synapse is in the olfactory bulb. C) information flows to the olfactory cortex, hypothalamus, and limbic system. D) they reach the forebrain without first synapsing in the thalamus. E) they exhibit a considerable amount of convergence.
The feature of the eye that secretes aqueous humor is the
A. ciliary body. B. conjunctiva. C. neural layer of the retina. D. cornea. E. pigmented layer of the retina.