The phosphate system serves as an excellent __________ buffer
Fill in the blank(s) with correct word
urinary
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The type of muscle that has elongated, multinucleated cells and is under voluntary control is ________ muscle.
A. smooth B. cardiac C. skeletal
Which of the following statements about Marfan's syndrome is false?
A) It results in short, stubby fingers. B) It results from a mutation. C) It affects connective tissue structures. D) It affects epiphyseal cartilages. E) It may also cause cardiovascular problems.
The potential across a cell membrane has changed drastically, from -90mV to +30mV. In other words,
A. there is a positive charge on the inside of the cell, relative to the outside. B. there is a negative charge on the inside of the cell, relative to the outside. C. the resting membrane potential has been established. D. there is no relative charge difference between the inside and the outside of the cell.
Answer the following statements true (T) or false (F)
1. LDL is sometimes called the “bad” cholesterol. 2. High levels of LDL are associated with the development of atherosclerosis. 3. An atom's mass number is usually greater than its atomic number. 4. An atom's atomic number is usually greater than its mass number. 5. Electrons move in an elliptical orbit rather than a circular orbit around the nucleus.