What is epinephrine called in English speaking countries outside the United States?
a. norepinephrine
b. ATP
c. adenosine phosphate
d. adrenaline
e. aldosterone
d
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A hereditary disorder called __________ cell disease is characterized by abnormal hemoglobin and crescent-shaped cells.
Fill in the blank(s) with the appropriate word(s).
Which of the following is classified as loose connective tissue?
a) Blood b) Spongy bone c) Areolar connective tissue d) Elastic connective tissue e) Hyaline cartilage
Which statement is true about cells?
A) Different types of cells that perform different functions in the body contain different genes. B) Differentiation increases the different functions that a cell can perform. C) All of a cell's genes are always available for transcription. D) As genes are turned off within a cell, that cell and its daughter cells become more specialized. E) The proteins that can be produced by a cell are determined at fertilization and do not change over time.
In a laboratory experiment, the resting membrane potential of a muscle is measured and is found to be more negative. Which of the following has occurred?
A. hyperpolarization B. repolarization C. depolarization D. isopolarization E. hypopolarization