The ________ is a substage lens that concentrates light on the specimen.
Fill in the blank(s) with the appropriate word(s).
condenser
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The propulsive process that moves food from one organ to the next is called ________
A) ingestion B) peristalsis C) digestion D) mastication E) absorption
What happens at the sodium-potassium exchange pump?
A) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 3 sodium ions for every 2 potassium ions entering the cell. B) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 2 sodium ions for every 3 potassium ions entering the cell. C) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 3 potassium ions for every 2 sodium ions entering the cell. D) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 2 potassium ions for every 3 sodium ions entering the cell. E) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 1 sodium ions for every 6 potassium ions entering the cell.
Which of these causes inhalation/inspiration?
A. increase in the curvature (upward movement) of the diaphragm B. movement of the ribs closer together due to contraction of the internal intercostal muscles C. flattening (downward movement) of the diaphragm D. contraction of the abdominal muscles E. alveolar pressure increasing above atmospheric pressure
Which of the following chromosome anomalies can be found in either sex?
A. Turner's Syndrome (XO) B. Klinefelter's Syndrome (XXY) C. Down Syndrome (Trisomy 21) D. Barker's Syndrome E. They all can be found in either sex.